Viagra: Uses, Dosage, Side Effects, Warnings – Drugs.com

Sildenafil (Viagra) is a phosphodiesterase-5 (PDE-5) inhibitor. PDE-5 is a protein in your body that breaks down the molecules that normally cause an erection. When it blocks PDE-5, sildenafil (Viagra) helps an erection occur by allowing certain muscles in the penis to relax and the penis to fill with blood. Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud’s phenomenon. Venous engorgement is believed to be a causal factor 2. The turbinates of the nose contain erectile tissue 3 and nasal stuffiness during sexual activity is a well known Maria Hudson. 4 hrs. ago. Anna Nelson. 6 hrs. ago. David Muldon. 8 hrs. ago viagra causes stuffy nose The turbinates of the nose contain erectile tissue 3 and nasal stuffiness during sexual activity is a well known phenomenon ( honeymoon rhinitis ) 4. Nasal stuffiness is also listed as a side-effect of sildenafil 5. This medicine can cause serious side effects in patients with heart problems. If you experience a prolonged or painful erection for 4 hours or more, contact your doctor immediately. This condition may require prompt medical treatment to prevent serious and permanent damage to your penis.

Some medicines can cause unwanted or dangerous effects when used with Viagra. Tell your doctor about all your current medicines, especially riociguat (Adempas) and nitrates. Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some Although serious side effects from Viagra are highly uncommon, they can still happen. Viagra has several of these rare side effects, including allergic reaction, priapism and damage to the nerve that delivers electrical impulses from your eyes to your brain.

Sildenafil is the generic for two common brand-name products: Viagra and Revatio. These medications are FDA approved for two different health conditions. While Viagra treats ED, Revatio is approved to treat pulmonary arterial hypertension (PAH). This is a type of high blood pressure in the arteries of the lungs. Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Viagra while also taking Revatio. Warnings Viagra may also be used for pulmonary arterial hypertension. When used for this purpose, the average dose is 5 to 20 mg of Viagra taken 3 times a day. The doses of Viagra should be taken viagra for pulmonary htn In pulmonary hypertension it works by relaxing blood vessels in the chest. If you buy sildenafil for erectile dysfunction, it can also be known by the brand names Viagra, Aronix, Liberize and Nipatra. Sildenafil for pulmonary hypertension can also be known by the brand names Revatio and Grandipam. In less than 20 years, the first selective type 5 phosphodiesterase inhibitor, sildenafil, has evolved from a potential anti-angina drug to an on-demand oral treatment for erectile dysfunction (Viagra), and more recently to a new orally active treatment for pulmonary hypertension (Revatio).

Viagra can lower your blood pressure. If you already have low blood pressure or take medication for high blood pressure, Viagra could cause dizziness or fainting. If you have high blood pressure that s not managed, taking Viagra and having sex may put too much strain on your heart. Talk with your doctor about whether Viagra is right for you. Very low blood pressure, called hypotension, or uncontrolled high blood pressure, called hypertension. Severe liver disease. Kidney disease that needs to be treated with dialysis. Recent heart or blood vessel problems. These include a heart attack, stroke or a serious heart rhythm disorder in the past six months.