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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. 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 ...
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.
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Guallatiri is a stratovolcano in Chile that is 6,060–6,071 m (19,880–19,918 ft) high. It is located southwest of, or possibly within, the Nevados de Quimsachata volcanic group. The summit, surrounded by numerous fumaroles, may be a lava dome or volcanic plug, while the lower flanks of the volcano are covered by lava flows and lava domes.
Viagra: [ vi-ag´rah ] trademark for a preparation of sildenafil citrate, a treatment for erectile dysfunction .
Viagra synonyms, Viagra pronunciation, Viagra translation, English dictionary definition of Viagra. A trademark for the drug sildenafil citrate. American Heritage® Dictionary of the English Language, Fifth Edition.
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.
Jul 11, 2017 · Sildenafil Citrate, more commonly known as Viagra, is a drug that is used to treat erectile dysfunction and pulmonary arterial hypertension (PAH). The main function of the drug is to inhibit the enzyme that degrades cGMP, a regulator of blood flow to the penis. The medical uses for Sildenafil Citrate are sexual dysfunction, pulmonary ...
