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Feb 21, 2024 · sildenafil (usually uncountable, plural sildenafils) ( pharmacology) A drug that is used in the form of its citrate C 22 H 30 N 6 O 4 S·C 6 H 8 O 7 to treat erectile dysfunction in males, that by suppressing a phosphodiesterase enzyme also suppresses the enzyme's inhibitory effect on the hormone cyclic GMP, and that enables the cyclic GMP ...
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Sildenafil citrate (Viagra) is a medication used to treat erectile dysfunction(ED), or impotence, in men.
Labeled use
Viagra treats erectile dysfunction , the inability to achieve and/or maintain an erection of the penis that is adequate for sexual intercourse. Ten to fifteen million men in the United States suffer from ED, and by age 65, up to 25% of men have experienced impotence problems. Erectile dysfunction can be caused by a number of physical and psychological conditions, including diabetes, depression , prostate cancer , spinal cord injury , multiple sclerosis , artherosclerosis, and heart disease ....
Investigational uses
Although not approved for use in women, clinical studies have shown that sildenafil citrate may be effective in relieving female sexual dysfunction for some women. In one study, both female and male study participants who suffered from sexual dysfunction related to their use of such psychotropic medications as benzodiazepinesreported an increase in arousal and overall sexual satisfaction when they began taking Viagra. Several studies have also indicated the drug may be effective in improving...
Viagra is not labeled or approved for use by women or children, or by men without erectile dysfunction. The medication may also be contraindicated (not recommended for use) in patients with certain medical conditions. Because sexual activity can stress the heart, men who have heart problems should check with their physician to see if sexual activit...
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. It was the first oral medication approved for ED treatment. A ...
Viagra requires time to be absorbed by the body and become effective. The average recommended time frame for taking the drug is one hour before initiating sexual activity, although depending on an individual's response to the drug, this time can vary from four hours to 30 minutes. Men should always consult with their physician before beginning trea...
The most commonly reported side effects of Viagra are headache, flushing of the face, upset stomach, and nasal congestion. Other less common side effects include, but are not limited to: 1. vision problems, including sensitivity to light, blurred vision, and a color tinge to vision 2. urinary tract infection 3. diarrhea 4. dizziness 5. rash
Angina —Angina pectoris, or chest pain, caused by an insufficient supply of oxygen and decreased blood flow to the heart muscle. Angina is frequently the first sign of coronary artery disease. Angulation of the penis—Abnormal bend or angle to the structure of the penis. Antidepressants—Medications prescribed to relieve major depression. Classes of ...
When used as directed, Viagra allows men with erectile dysfunction to achieve and maintain a penile erection when aroused during sexual activity. Double-blind, randomized clinical trials of sildenafil citrate have shown that the drug has an 63–82% efficacy rate in improving erectile activity among men with ED, depending on the dose administered (be...
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Viagra: [ vi-ag´rah ] trademark for a preparation of sildenafil citrate, a treatment for erectile dysfunction .
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.
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.
2 days ago · Trademark a drug, sildenafil, that allows increased blood flow into the penis; used to treat erectile.... Click for pronunciations, examples sentences, video.
Sildenafil. This page is a redirect. The following categoriesare used to track and monitor this redirect: From or to a drug trade name: This is a redirect from (or to) the trade name of a drug to (or from) the international nonproprietary name(INN). When appropriate, protection levelsare automatically sensed, described and categorized.
