If you have an erection that lasts more than 4 hours, get medical help right away. Use protective measures and ask your doctor if you have any questions about this. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. If you prefer, you may contact the U. The following information includes only the average doses of this medicine. What side effects can this medication cause?AdTrust Our Unbiased Reviews and Improve Your Sexual Health in Confidence! Reviews and Comparisons Of The Best Male Enhancement Products. See Which Products Work. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the . Viagra comes in these strengths: 25 milligram (mg), 50 mg, and mg. Other forms of sildenafil (the active drug in Viagra) comes in other strengths, such as 20 mg. But Viagra only comes in the.

Text Us
Skip to content