Viagra
Medical name: sildenafil Oral: (sil DEN uh fil)
Selling names: Revatio, Viagra
What is Viagra for?
Viagra is a muscle-relaxant also it inhabits an enzyme that regulates blood flow in the penis. Sildenafil has two main brand names: Viagra – used to treat men impotence, and Revatio – for PAH (pulmonary arterial hypertension) also improving stamina. Viagra is also used to solve unspecified above medical problems.
What you need to know about Viagra
Contraindications:
- • Do not take Viagra together with nitric oxide donors, organic nitrites and nitrates (glyceryl trinitrate (nitroglycerin), sodium nitroprusside, amyl nitrite).
- • Cardiovascular risk factors
- • Decreased liver function
- • Impairment in renal function
- • Low blood pressure
Taking Viagra together with a nitrate may lead to heavy consequences, problems with cardiovascular system. If you feel giddy or unbalanced during sexual act, if it hurts anywhere, or you have any other uncommon feelings such as pricking – seek medical help immediately. It may be dangerous for your health. Wait for another dose of Viagra for at least 24 hours after taking one. It is not recommended to take it twice a day and more. If your erection causes pain or continues for more that 4 hours – call for medical help. Priapism (overlong erection) may be dangerous for your health. There have been accidents of sudden vision loss. Most of complainers had problems with cardiovascular system or eyes, were active smokers and people over 50. It happens because of the blood pressure reduction also decreases blood flow to the optic nerve. Viagra is considered to be the cause of that problem but it is not verified yet. If you have recognized problems with your vision after taking Viagra – stop using it and call for medical help.