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Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8]
- Pulmonary Hypertension
Pulmonary hypertension (PH or PHTN) is a condition of...
- Cyclic Guanosine Monophosphate
Cyclic guanosine monophosphate (cGMP) is a cyclic nucleotide...
- cGMP-specific Phosphodiesterase Type 5
242202 Ensembl ENSG00000138735 ENSMUSG00000053965 UniProt...
- Erectile Dysfunction Drugs
Language links are at the top of the page across from the...
- Refractory Period
In human sexuality, the refractory period is usually the...
- Sublingual
Sublingual (abbreviated SL), from the Latin for "under the...
- Pulmonary Hypertension
Viagra structure. ball & stick model. Sildenafil is an aphrodisiac. It is a medication that is also called Viagra, Revatio and (in the Indian subcontinent) Caverta. Sildenafil makes the blood vessels become wider. This lowers the blood pressure. Sildenafil mostly works in the penis and in the lungs. This medicine increases blood flow to the penis.
Erectile dysfunction ( ED ), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability to achieve or maintain a penile erection with sufficient rigidity and duration for satisfactory sexual activity. It is the most common sexual problem in males and can cause psychological ...
- Inability to gain or maintain an erection
May 21, 2018 · VIAGRA. VIAGRA is the trademarked name for sildenafil citrate, a prescription drug created to counteract impotence by blocking an enzyme called phosphodiesterase 5 (PDE5), which can end erections prematurely. After the U.S. Food and Drug Administration granted approval for Viagra on 27 March 1998, doctors prescribed the drug more than any other ...
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. It is unclear if it is effective for treating sexual dysfunction in females. It can be taken orally, intravenously, or through the ...
May 23, 2018 · Description. Sildenafil citrate was originally developed in 1991 as a treatment for angina, or chest pain. The drug, marketed under the name Viagra, received FDA market clearance as a treatment for impotence in March 1998, and since that time it has been prescribed for over 10 million men worldwide.
Viagra side effects. Get emergency medical help if you have signs of an allergic reaction to Viagra: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop taking Viagra and get emergency medical help if you have: heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
