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Inform your physician about all your cutting-edge drugs and any you begin or prevent using, specially:


  • an antibiotic which include clarithromycin, erythromycin, or telithromycin;
  • antifungal medicine together with ketoconazole or itraconazole;
  • medicinal drug to deal with HIV/AIDS, such as atazanavir, indinavir, ritonavir, or saquinavir; or
  • capsules to treat high blood strain or a prostate disorder.

This list isn’t always entire. Other capsules may interact with sildenafil, together with prescription and over-the-counter drug treatments, nutrients, and herbal products. Now not all feasible interactions are indexed in this medication manual.

One of the lesser-recognised facet effects of Viagra is blue-tinted vision. How does a pill that’s imagined to help guys preserve an erection motive them to peer the arena as too blue? Discover.

Viagra is the trade call of a drug called Sildenafil, a drug at the start developed to deal with high blood strain. In certain instances, it is still used that way. Beneath the exchange name Revatio, Sildenafil relaxes the walls of the blood vessels, dilating the vessels, lowering the resistance to the float of blood, and bringing down blood stress. This enables patients with a positive sort of high blood pressure get out of a capture-22 situation: improved exercise can deliver blood strain down inside the long term, however within the quick term it raises blood pressure. A dose of the right medicine can help them workout their manner into a more fit state.

But that’s not all Sildenafil, or Revatio, or Viagra, can do. Positive individuals who take the drug will discover themselves with cyanopsia – blue tinted imaginative and prescient. They may be understandably stressed as to how a medicinal drug intended to boom blood float to their insides is messing round with their eyes.

Viagra will increase blood go with the flow to the penis via enjoyable the easy muscle inside the location. It does this via proscribing the influence of the enzyme phosphodiesterase five. This inhibition of the enzyme sets off a complicated sequence of interactions which results in vasodilation, smooth muscle rest, and blood flowing extra effortlessly inside the crotch vicinity.

Then there is phosphodiesterase 6. As its call implies, it is just like phosphodiesterase five, and Sildenafil inhibits each, even though it inhibits 5 a ways more than 6. Phosphodiesterase 6 is an enzyme that, through every other complex collection of interactions, tamps down on the sensitivity of the rod cells in the attention. With the aid of inhibiting the enzyme, the medication makes rod cells end up ultrasensitive, and rod cells are handiest at choosing up blue-inexperienced light. Any boom in sensitivity within the rod cells outcomes in a wash of blue.

So, Viagra makes your international blue due to the fact an enzyme that regulates hobby on your crotch takes place to be very just like an enzyme that regulates pastime on your eyes.

Viagra dosing records

  • peculiar vision (blurred vision, modifications in shade imaginative and prescient)
  • stuffy nostril;
  • muscle pain, again pain; or
  • disillusioned belly.

This is not a whole listing of aspect results and others might also arise. Name your physician for medical advice approximately aspect effects. You could record aspect consequences to FDA at 1-800-FDA-1088.

See additionally: facet results (in extra detail)


traditional grownup Dose for Erectile disorder:

preliminary dose: 50 mg orally once an afternoon, as needed, 1 hour prior to sexual activity

renovation: 25 to one hundred mg orally once a day, as needed, 1 hour previous to sexual hobby


comments: This drug may be taken anywhere from 30 minutes to four hours before sexual pastime.


Use: remedy of erectile disorder

normal Geriatric Dose for Erectile dysfunction:

initial dose: 25 mg orally as soon as a day 1 hour prior to sexual interest


Use: treatment of erectile dysfunction

What other pills will have an effect on Viagra?

Do not take Viagra with similar medicinal drugs which include avanafil (Stendra), tadalafil (Cialis) or vardenafil (Levitra). Inform your health practitioner approximately all other medicinal drugs you operate for erectile disorder.

Store at room temperature away from moisture and heat.

Viagra can lower blood go with the flow to the optic nerve of the eye, inflicting sudden vision loss. This has befell in a small variety of people taking sildenafil, most of whom additionally had coronary heart sickness, diabetes, excessive blood strain, high cholesterol, or sure pre-current eye problems, and in those who smoked or were over 50 years old. It isn’t clean whether sildenafil is the actual motive of vision loss.

Viagra isn’t anticipated to harm an unborn child. Tell your doctor if you are pregnant or plan to grow to be pregnant.

It isn’t regarded whether or not sildenafil passes into breast milk or if it can harm a nursing baby. Tell your doctor in case you are breast-feeding a infant.

Do now not deliver Viagra to all and sundry underneath 18 years vintage without medical recommendation.

How have to I take Viagra?

Take Viagra precisely because it turned into prescribed for you. Follow all instructions in your prescription label. Do not take this medicinal drug in large or smaller quantities or for longer than encouraged.

Viagra is typically taken most effective whilst wished, 30 minutes to 1 hour before sexual interest. You can take it up to four hours before sexual interest. Do not take Viagra extra than as soon as in line with day.

Viagra allow you to have an erection when sexual stimulation happens. An erection will no longer arise just with the aid of taking a tablet. Follow your doctor’s commands.

At some point of sexual pastime, if you turn out to be dizzy or nauseated, or have ache, numbness, or tingling in your chest, hands, neck, or jaw, prevent and make contact with your health practitioner right away. You may be having a serious side effect of Viagra.



Viagra (sildenafil) relaxes muscular tissues

a continuous, numerous, and unruly technique. No person in Pfizer imagined that the tests of a excessive blood strain drug might lead to a blockbuster drug treating erectile dysfunction. The opportunity arose alongside the manner, and Pfizer’s control crew became short enough and brave enough to seize the possibility, and in the end they became a failure into a large fulfillment. Manifestly, you create strategy based at the first-class numbers and analysis to be had at the time, but the real method is often evolved in the technique of execution. That’s the large dilemma, which many managers discover themselves in. On the one hand, you need to have a strategy which you deliberately cognizance on hold anyone working collectively and within the proper route. At the same time, but, that awareness can effortlessly reason you to overlook what may want to definitely grow to be the next massive component. The question is consequently: How do you as a manager make sure you live open? Do you have got the courage to refuse a method that doesn’t paintings and replace it with an emergent one? How are you going to capitalise higher on



Viagra (sildenafil) relaxes muscular tissues discovered within the walls of blood vessels and increases blood float to precise areas of the frame.

Viagra is used to treat erectile dysfunction (impotence) in guys. Every other logo of sildenafil is Revatio, that is used to treat pulmonary arterial hypertension and enhance exercise capability in ladies and men.

Do not take Viagra while also taking Revatio, until your medical doctor tells you to.

Vital statistics

some medicines can purpose unwanted or dangerous consequences when used with Viagra. Tell your physician approximately all your present day medicines, specifically riociguat (Adempas).

Do not take Viagra if you are also using a nitrate drug for chest ache or heart problems, along with nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some leisure pills consisting of “poppers”. Taking sildenafil with a nitrate medicinal drug can purpose a sudden and serious decrease in blood pressure.

recognize the demanding situations confronted

recognize the demanding situations confronted with the aid of a business enterprise while launching its product in a rate competitive surroundings.

The second supply of options is unanticipated – normally a cocktail of problems and possibilities that emerge even as you are attempting to implement the deliberate plan or strategy. At Pfizer, what became unanticipated became the ineffectiveness of the unique drug and its enormously unexpected aspect results. As Jackie Corbin, one of the Pfizer researchers has positioned it: “We had no goal of making a drug that might stimulate guys’s erections while we first started out. We did not even intend to create a tablet”. Stay open The exciting factor is that the random system using the introduction of Viagra is identical to the process driving nearly all winning strategies. Walmart is every other incredible instance. Many humans keep in mind Sam Walton, the mythical founding father of Walmart, as a god-talented strategist. We assume that he commenced his organisation with a clean plan to revolutionize the retail enterprise. That’s not what truely befell. At the time Walton owned one keep inside the small city of Rogers, Arkansas, he supposed to construct his 2nd shop in Memphis, questioning that a larger metropolis ought to assist a bigger shop. However he ended up choosing the a good deal smaller town of Bentonville, Arkansas, as an alternative – for 2 motives. Usually his wife surely refused to move to Memphis to stay. Secondly Walton realised that having his 2d keep close to his first would provide him benefits with logistics and efficiency. That choice grew to become out to be a achievement and helped Walton increase the strategy he carried with him for decades: open massive shops in small cities – thereby pre-empting opposition from different bargain stores. But, this become not as he imagined his commercial enterprise within the first area. In different phrases: his strategy emerged alongside the manner. So what’s the factor? It’s far a large mistake to agree with that method is a discrete analytical event going on the boardroom. It’s far much more dynamic than that. It is

Earlier than taking this medicine


Cialis: 7 crucial things you need to realize

touch your physician or are looking for emergency medical interest in case your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can harm the penis.

Forestall using Viagra and get emergency medical help if you have surprising imaginative and prescient loss.


You need to now not use Viagra if you are allergic to sildenafil, or:

  • if you take different drug treatments to deal with pulmonary arterial high blood pressure, along with riociguat (Adempas).

Do now not take Viagra in case you also are the use of a nitrate drug for chest ache or coronary heart issues. This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates also are determined in a few recreational pills consisting of amyl nitrate or nitrite (“poppers”). Taking Viagra with a nitrate medicine can purpose a surprising and critical lower in blood strain.

To ensure Viagra is safe for you, inform your health practitioner approximately your different medical conditions, in particular:

  • heart disorder or coronary heart rhythm problems, coronary artery disease;
  • a recent history (within the beyond 6 months) of a heart assault, stroke, or congestive heart failure;
  • high or low blood stress;
  • liver or kidney disease;
  • a blood mobile ailment inclusive of sickle cell anemia, more than one myeloma, or leukemia;
  • a bleeding ailment which include hemophilia;
  • a belly ulcer;
  • retinitis pigmentosa (an inherited situation of the attention);
  • a physical deformity of the penis (which include Peyronie’s disease); or

•           when you have been informed you have to no longer have sexual sex for health motives

business examples of a hit flanking attacks encompass:


         Softsoap liquid soap flanked with the aid of focusing its attack on pump style doling out instead of the soap’s bodily attributes. As a end result, the organization stored the entire liquid cleaning soap market to itself for almost  years.

         Hane’s Pantyhose flanked its competition through changing its distribution channel to supermarkets, while competitors endured to consciousness on clothing shops. Timex watches chose to consciousness distribution in retail drug stores, and no longer the traditional jewelry stores.

         Blue Nile, a web store of diamonds, focuses on empowering the client with 3 things. 1) large quantities of statistics. The average customer may fit through over 2 hundred pages of statistics earlier than committing to a buy. 2) massive selection. With over 100,000 licensed diamonds for buy, Blue Nile offers unparalleled desire. 3) bargain Pricing. Blue Nile expenses are 20% – forty% lower than the opposition. The bodily constraints of Tiffany’s and Harry Winston’s brick and mortar storefronts means that they definitely cannot provide any single patron get admission to to widespread facts, widespread selection, and occasional charges.

This situation is about Pfizer’s launch of its famous drug, Viagra, in India. Viagra became first launched inside the US, in 1998, with an in depth public relations marketing campaign. Pfizer’s promotional efforts also protected celeb endorsements and Direct-to-patron (DTC) commercials. Although Viagra become a big success for Pfizer initially, after seven years when you consider that its launch, the worldwide income of Viagra had grow to be stagnant. Pfizer added Viagra in India so that it will improve the sales of the drug. The market dynamics in India have been very exceptional from that of the united states.

         Viagra had to face competition from other less costly frequent versions of the drug. Furthermore, brand-particular DTC classified ads have been not allowed in India. The case discusses Pfizer’s marketing method while it released Viagra in India.

         problems:

         » understand the crucial fulfillment elements for a pharmaceutical business enterprise to make a a hit entry in a brand new therapeutic section.


» recognize the issues and constraints faced with the aid of pharmaceutical organization in launching a globally successful logo in a new market.


With the advent of Viagra

With the advent of Viagra, Pfizer created a blue ocean in life-style tablets through going beyond the boundaries of the pharmaceutical enterprise at the time.

Pfizer’s wildly a hit blue ocean strategic circulate that released Viagra challenged the functional-emotional orientation of the pharmaceutical enterprise. It shifted its cognizance from the pharmaceutical industry’s in large part practical orientation – medical remedy – to way of life enhancement, an emotional orientation.

Like Viagra, are you inclined to project the useful-emotional orientation of your enterprise to create new marketplace space, as route 5 of blue ocean approach’s six paths framework suggests? When companies are inclined to venture the practical-emotional orientation of their industry, they could often create new market space. Emotionally oriented industries provide many extras that add fee without enhancing capability. Stripping away those extras may create a basically simpler, lower-priced, decrease-price enterprise version that clients could welcome. Conversely, functionally oriented industries can regularly infuse commodity products with new lifestyles by including a dose of emotion and, in so doing, can stimulate new demand.

Groups regularly find themselves in situations in which they face sturdy incumbent opposition, and it could be difficult to discover a way to advantage a strategic gain. Although it is tempting to fight the competition on their phrases, it’s far often greater high quality to redefine the playing subject altogether.

In 2003, Eli Lilly brought a drug for the treatment of erectile dysfunction referred to as Cialis. The trouble turned into that it changed into getting into a market already dominated by Pfizer’s billion-dollar drug Viagra, and Bayer’s Levitra. So as to be successful, Eli Lilly could not surely input this marketplace as a me-too drug.

At the same time as all 3 capsules handled erectile disorder, both Viagra and Levitra’s number one cost propositions surrounded efficacy and safety. However, both handiest had an powerful period time of less than five hours. Cialis become as safe and powerful as its competitors, but its effective window of time ought to last as long as 36 hours.

Its about Differentiation

Erectile disorder medicinal drugs

Hepatic enzymes metabolize Viagra and each the liver and kidneys excrete it. There can be a put off in its absorption if one takes it with a excessive fats meal. It may additionally barely mute the net effect, because the plasma concentration will come down.

Here are a number of extreme aspect effects of the use of Viagra. Those include unexpected dying, stroke, severe hypotension, myocardial infarction, boom in intraocular strain priapism, ventricular arrhythmias and so forth. Besides those severe aspect consequences, there can be a few commonplace light-intensity side consequences as well. These signs are- complications, prolonged erections, dyspepsia, flushing, palpitations and photophobia. One might also enjoy blurring of imaginative and prescient.

These days, Viagra is without difficulty to be had thru numerous web sites at the Internet. Manufacturers put it on the market it at once to clients on TV. However, it is usually safer to get it most effective on a recommendation with the aid of a doctor.


Erectile dysfunction (ED), also known as impotence, can have an effect on your quality of existence through decreasing your delight from intercourse. ED will have many reasons, each mental and physical. ED from bodily reasons is fairly not unusual in guys as they age. Medications are available which could assist make ED a issue of the beyond for many guys.

The most well-known ED medicines include:

  • tadalafil (Cialis)
  • sildenafil (Viagra)
  • vardenafil (Levitra)

These prescription drugs increase the stages of nitric oxide on your blood. Nitric oxide is a vasodilator, which means it makes your blood vessels widen to assist growth the blood waft. These pills are particularly powerful at widening the blood vessels on your penis. More blood to your penis makes it a great deal less difficult which will get and maintain an erection whilst you are sexually aroused.

Common (1% to ten%): Fluid retention

Common (1% to ten%): Rash, alopecia, erythema, night sweats

Frequency now not said: Steven-Johnson syndrome (SJS), poisonous epidermal necrolysis(TEN), urticaria, herpes simplex, pruritus, sweating, pores and skin ulcer, touch dermatitis, exfoliative dermatitis[Ref]


Common (1% to ten%): Anemia

Frequency no longer pronounced: Leukopenia

Postmarketing reviews: In patients with pulmonary arterial hypertension (secondary to sickle mobile sickness) taking Revatio (R), vaso-occlusive crises requiring hospitalization had been more usually said. The clinical relevance of this finding in male patients handled with sildenafil (the active ingredient contained in Viagra) for erectile dysfunction is unknown.[Ref]



Frequency not stated: Thirst, edema, gout, volatile diabetes, hyperglycemia, hyperuricemia, hypoglycemic reaction, hypernatremia[Ref]


Common (1% to ten%): Cellulitis, influenza, bronchitis, sinusitis, rhinitis, gastroenteritis, vertigo, pyrexia

Uncommon (0.1% to at least one%): Tinnitus, chest pain, fatigue, gynecomastia

Rare (much less than 0.1%): Deafness, irritability

Frequency no longer pronounced: Sudden hearing loss, edema, face edema, peripheral edema, pain, chills accidental fall, unintentional injury[Ref]


Common (1% to ten%): Insomnia, tension

Frequency no longer mentioned: Abnormal desires, despair[Ref]


Uncommon (zero.1% to at least one%): Penile hemorrhage, hematospermia

Frequency not stated: Priapism, prolonged erection, elevated erection, cystitis, nocturia, urinary frequency, urinary incontinence, odd ejaculation, genital edema, anorg

Viagra is a drug that treats male erectile disorder (impotence). Some reviews also claim that it complements sexual pleasure for ladies with the aid of increasing blood drift to the sexual organs. Pharmaceutical corporation Pfizer produces this drug. Viagra pills are blue in coloration with the phrases “Pfizer” on one facet and “VGR xx” on the opposite.

Researchers initially developed Viagra to treat coronary heart ailment (angina). They noticed penile erection improving outcomes within the preliminary trials. It induced them to promote it as a drug to beautify or repair sexual power.

Viagra became the primary tablet for treating erectile disorder in the United States after it were given approval from the FDA on March 27, 1998. However, producers had already patented it in 1996. It obtained on the spot popularity among guys inside the United States and someplace else, who were in sheer frustration because of erectile dysfunction.

Viagra will increase the degrees of cyclic guanosine monophosphate (cGMP) within the corpus cavernosum of the frame. It results in increase in blood inflow and higher erection. However, it will not cause an erection if there may be no sexual choice and no activation of the Nitric Oxide/cGMP system in any respect.



Very commonplace (10% or extra): Dyspepsia (as much as 17%), diarrhea

Common (1% to 10%): Nausea, vomiting, dry mouth, gastritis, gastroesophageal reflux sickness, hemorrhoids, belly distension

Rare (much less than 0.1%): Oral hypoesthesia

Frequency not said: Glossitis, colitis, dysphagia, gastroenteritis, esophagitis, stomatitis, gingivitis[Ref]


Very common (10% or extra): Pain in extremity

Common (1% to ten%): Back pain, myalgia

Frequency now not stated: Arthritis, arthrosis, myalgia, tendon rupture, tenosynovitis, bone ache, myasthenia, synovitis[Ref]

Nervous system

Very commonplace (10% or greater): Headache (up to twenty-eight%)

Common (1% to 10%): Dizziness, migraine, tremor, paresthesia, burning sensation

Uncommon (zero.1% to 1%): Somnolence, hypoesthesia

Rare (much less than zero.1%): Cerebrovascular twist of fate, syncope

Frequency no longer suggested: Transient ischemic assault, seizure, seizure recurrence, ataxia, hypertonia, neuralgia, neuropathy, paresthesia, somnolence, reflexes decreased

Postmarketing reports: Transient worldwide amnesia[Ref]


Very common (10% or more): Abnormal vision (as much as eleven%)

Common (1% to ten%): Visual color distortion, retinal hemorrhage, visible impairment, vision blurred, photophobia, chromatopsia, cyanopsia, eye infection, ocular hyperemia

Uncommon (zero.1% to at least one%): Conjunctival problems, eye disorders, eye pain, lacrimation disorders, visual acuity reduced, diplopia, odd sensation in eye, photopsia, visual brightness, conjunctivitis

Rare (less than zero.1%): Retinal hemorrhage, arteriosclerotic retinopathy, retinal sickness, glaucoma, visual view defect, myopia, asthenopia, vitreous floaters, iris disorder, mydriasis, halo imaginative and prescient, eye edema, eye swelling, eyelid edema, scleral discoloration

Frequency no longer pronounced: Non-arteritic anterior ischemic optic neuropathy (NAION), retinal vascular occlusion, field of vision illness, cataract[Ref]

This drug has lesser affinity for isoenzyme PDE6, an enzyme discovered in the retina. This decrease selectivity is notion to be the premise for abnormalities associated with color vision observed with higher doses or plasma ranges.


Nonarteritic anterior ischemic optic neuropathy developed in a single eye within mins to hours after ingestion of sildenafil. Four of the five sufferers had no vascular threat factors for ischemic optic neuropathy.


-Abnormal Vision: Mild to moderate and transient, predominantly color tinge to imaginative and prescient, however also improved sensitivity to light, or blurred vision.

-Visual coloration distortions: Chloropsia, chromatopsia, cyanopsia, erythropsia and xanthopsia

-Lacrimation issues: Dry eye, lacrimal ailment and lacrimation elevated[Ref]


Very commonplace (10% or more): Pharyngitis (18%), rhinitis

Common (1% to ten%): Nasal congestion, epistaxis, cough

Uncommon (0.1% to at least one%): Sinus congestion

Rare (less than zero.1%): Throat tightness, nasal edema, nasal dryness

Frequency no longer stated: Asthma, dyspnea, laryngitis, pharyngitis, sinusitis, bronchitis, sputum increased, cough multiplied[Ref]


How does this medication work?

Sildenafil belongs to a collection of medicinal drugs referred to as phosphodiesterase kind five inhibitors. It is used for the remedy of erectile disorder (male impotence). It allows to achieve and keep an erection sufficient for sexual activity. It does this by means of allowing a extra blood flow into the penis when a man is sexually aroused. It really works handiest with sexual stimulation and does not boom sexual preference.

This medication can be available below more than one emblem names and/or in numerous distinctive forms. Any precise logo call of this medication won’t be to be had in all of the paperwork or permitted for all the conditions mentioned right here. As properly, some types of this medication won’t be used for all the situations mentioned here.

Your physician may additionally have advised this remedy for conditions aside from those indexed in those drug information articles. If you have not discussed this along with your medical doctor or are not positive why you’re taking this medicine, talk for your doctor. Do no longer stop taking this medicinal drug with out consulting your doctor.
Do no longer provide this medicinal drug to all and sundry else, even supposing they have the same symptoms as you do. It can be harmful for human beings to take this remedy if their medical doctor has now not prescribed it.
Low Testosterone treatment options Chart

How to use Viagra

examine the patient information Leaflet provided with the aid of your pharmacist earlier than you start taking sildenafil and each time you get a replenish. If you have any questions, ask your medical doctor or pharmacist.

To treat erectile dysfunction-ED, take this drug through mouth as directed by way of your health practitioner, generally as wished. Take sildenafil at least half-hour, however no greater than 4 hours, before sexual pastime (1 hour earlier than is the simplest). Do not take extra than as soon as day by day.

A high-fat meal might also postpone how quickly the drug starts to work.

The dosage is based to your clinical situation, reaction to treatment, and different medicinal drugs you’ll be taking. Be sure to tell your doctor and pharmacist about all the products you use (inclusive of pharmaceuticals, nonprescription drugs, and natural products).

Makes use of viagra

Makes use of

Sildenafil is used to deal with male sexual feature troubles (impotence or erectile disorder-ED). In combination with sexual stimulation, sildenafil works via increasing blood float to the penis to assist a man get and preserve an erection.

This drug does now not defend towards sexually transmitted illnesses (which includes HIV, hepatitis B, gonorrhea, syphilis). Exercise “safe sex” including the use of latex condoms. Consult your health practitioner or pharmacist for more information.

Different uses: This segment contains makes use of of this drug that aren’t listed in the authorized expert labeling for the drug but that may be prescribed via your health care expert. Use this drug for a circumstance that is listed on this phase simplest if it has been so prescribed by way of your health care expert.

Sildenafil is also available in other manufacturers and strengths for treating high blood pressure within the lungs (pulmonary high blood pressure). Do not take this medicine with any other product that consists of sildenafil or other similar medications for erectile disorder-ED or pulmonary hypertension (such as tadalafil, vardenafil).

Viagra is secure for you

To make certain Viagra is secure for you, tell your physician about your different medical conditions, particularly:

heart disease or heart rhythm issues, coronary artery ailment;

a recent records (within the beyond 6 months) of a heart assault, stroke, or congestive coronary heart failure;

excessive or low blood stress;

liver or kidney disorder;

a blood cellular disease such as sickle cell anemia, more than one myeloma, or leukemia;

a bleeding ailment inclusive of hemophilia;

a belly ulcer;

retinitis pigmentosa (an inherited circumstance of the attention);

a physical deformity of the penis (together with Peyronie’s ailment); or

when you have been told you ought to now not have sexual sex for health reasons.

Viagra can lower blood glide to the optic nerve of the eye, causing surprising vision loss. This has passed off in a small variety of human beings taking sildenafil, most of whom also had heart disorder, diabetes, high blood stress, excessive ldl cholesterol, or certain pre-existing eye problems, and in people who smoked or have been over 50 years old. It isn’t always clear whether sildenafil is the actual motive of vision loss.

Viagra isn’t expected to damage an unborn infant. Inform your medical doctor in case you are pregnant or plan to become pregnant.

relaxes muscle tissues

Viagra (sildenafil) relaxes muscle tissues determined in the partitions of blood vessels and will increase blood glide to specific areas of the body.

Viagra is used to deal with erectile disorder (impotence) in men. Some other brand of sildenafil is Revatio, which is used to deal with pulmonary arterial hypertension and enhance workout ability in ladies and men.

Do no longer take Viagra while also taking Revatio, unless your physician tells you to.
Essential information

some medicines can purpose undesirable or risky consequences when used with Viagra. Tell your health practitioner about all your modern drug treatments, particularly riociguat (Adempas).

Do now not take Viagra if you also are the usage of a nitrate drug for chest ache or coronary heart problems, together with nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some leisure pills inclusive of “poppers”. Taking sildenafil with a nitrate medicine can cause a sudden and extreme decrease in blood stress.
Cialis: 7 important stuff you want to recognize

contact your medical doctor or are seeking for emergency medical interest in case your erection is painful or lasts longer than 4 hours. A extended erection (priapism) can harm the penis.

Forestall the use of Viagra and get emergency scientific help when you have sudden imaginative and prescient loss.
Earlier than taking this medicinal drug

You have to no longer use Viagra in case you are allergic to sildenafil, or:

if you take other drug treatments to treat pulmonary arterial hypertension, together with riociguat (Adempas).

Do no longer take Viagra in case you also are the use of a nitrate drug for chest pain or heart troubles. This consists of nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates also are located in a few recreational capsules along with amyl nitrate or nitrite (“poppers”). Taking Viagra with a nitrate medication can purpose a unexpected and serious lower in blood pressure.