In America, Pfizer gained two patents for sildenafil: one for its indication to deal with cardiovascular disease (promoted as Revatio) and A further for its indication to take care of erectile dysfunction (marketed as Viagra). The substance is identical less than equally trade names.[seventy seven]
Tentative evidence indicates that sildenafil may well support Males who knowledge antidepressant-induced erectile dysfunction.[10] Pulmonary hypertension
Your health practitioner can produce a prescription for one packs or you may check with your pharmacist for them after you fill your prescription.
The FDA has proven a reporting service often called MedWatch wherever Health care professionals and consumers can report severe challenges they suspect may be connected with the prescription drugs and health care equipment they prescribe, dispense, or use. Take a look at MedWatch or phone one-800-FDA-1088.
an erection that will not disappear (priapism). When you have an erection that lasts in excess of 4 several hours, get health care aid immediately.
Also, Guys taking VIAGRA confirmed an improvement of their capability to get and keep an erection compared to those that took placebo.
(including using a blue coloration tinge) and blurred vision; stuffy or runny nose; back again pain; muscle ache; nausea; dizziness; rash.
VIAGRA could be taken with or with out food stuff. If you're taking VIAGRA after a high-Body fat food (such as a cheeseburger and french fries), it might consider a little for a longer time to begin working.
Sildenafil, marketed given that the model identify Viagra amongst Some others, is a medication applied to treat erectile dysfunction and pulmonary arterial hypertension.
consider any medicines called nitrates, often prescribed for chest discomfort, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your hypertension could fall to an unsafe stage
Unprescribed leisure use of sildenafil and other PDE5 inhibitors is noted as notably significant between consumers of illegal medications.[26] Sildenafil is usually used to counteract the consequences of other substances, frequently illicit.[23] Some users combine it with methylenedioxymethamphetamine (MDMA, ecstasy), other stimulants, or opiates within an attempt to compensate with the widespread side outcome of erectile dysfunction, a mixture referred to as "sextasy", "rockin' and rollin'" or "trail combine".[23] Mixing with amyl nitrite is particularly perilous and possibly fatal.[23] Jet lag research
VIAGRA might have an affect on the way in which other medicines operate, and various medicines might influence the way in which VIAGRA will work, resulting in Unwanted side effects.
[fifty one][fifty two] The Viagra identify is becoming so renowned, lots of pretend aphrodisiacs now call on their own "herbal viagra" or are presented as blue tablets imitating the shape and colour of Pfizer's merchandise. Viagra can also be informally often known as "vitamin V", "the blue pill", or "blue diamond", together with various other nicknames.
People employing protease inhibitors are advisable to limit their usage of sildenafil to no multiple twenty five mg dose every single forty eight several hours.[two] Other medications that interfere While using the metabolism of sildenafil include things like erythromycin and cimetidine, both equally of which might also lead to extended plasma half-lifetime ranges.
Sildenafil continues to be examined for high-altitude pulmonary edema but its use is presently not advised for that sign.[fourteen] Adverse outcomes
Call your medical professional or look for unexpected emergency professional medical interest Should your read more erection is painful or lasts more time than 4 hours. A chronic erection (priapism) can injury the penis.
Sildenafil and/or N-desmethylsildenafil, its important active metabolite, might be quantified in plasma, serum, or complete blood to evaluate pharmacokinetic standing in People obtaining the drug therapeutically, to verify the diagnosis in possible poisoning victims, or to help in the forensic investigation within a scenario of lethal overdose.[37] Mechanism of action