Sildenafil: Usage, Dosage Side Effects – Drugs.com

4.1 Nitrates. Consistent with its known effects on the nitric oxide/cGMP pathway [see Clinical Pharmacology (12.1, 12.2)], VIAGRA was shown to potentiate the hypotensive effects of nitrates, and its administration to patients who are using nitric oxide donors such as organic nitrates or organic nitrites in any form either regularly and/or intermittently is therefore contraindicated. For information on the dosage of Viagra, including its pill form, strengths, and how to take the drug, keep reading. For a comprehensive look at Viagra, see this article. This article describes what is viagra like They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction (ED). Oral medicines for ED usually work well and cause few side effects. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). 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]. Get the facts on five over-the-counter ED pills. Learn how options like DHEA and yohimbe can help treat erectile dysfunction. Learn about warnings and more.

Cialis (tadalafil) is an oral medication that treats erectile dysfunction (ED). One dose of Cialis lasts longer than a dose of the well-known Viagra (sildenafil). You can take Cialis when you need it, typically 30 minutes before sex. If that doesn t work for you, another option is taking a low-dose pill every day for ongoing erectile support. Usual Adult Dose for Erectile Dysfunction. Use as needed for ED: Initial dose: 10 mg orally once a day, as needed, prior to sexual activity. Maintenance dose: Drug Summary. What Is Cialis? Cialis (tadalafil) is a phosphodiesterase inhibitor used for treating impotence ( erectile dysfunction, or ED). What Are Side Effects of Cialis? Common side effects of Cialis include: flushing (redness or warmth of the face, neck, or chest), headaches, stomach upset, diarrhea As-needed Cialis dosage: 5 mg to 20 mg by mouth at least 30 minutes before you plan on having sex. You shouldn t take more than one Cialis dose per day since its effects can last up to 36 hours. People with kidney problems may need to take it less frequently. Daily Cialis dosage: 2.5 mg to 5 mg by mouth once daily, taken at the same time each cialis dosage per day The recommended starting dose of CIALIS for once daily use is 2.5 mg, taken at approximately the same time every day, without regard to timing of sexual

Tadalafil is available in tablet form: 2.5 milligrams (mg) 5 mg; 10 mg; 20 mg; Depending on the dose for ED, you can use it as needed before sexual activity or take it once a day. Adults10 milligrams (mg) as a single dose, no more than once a day, taken 30 minutes before you think sexual activity may occur. Your doctor may adjust your dose as needed. ChildrenUse is not recommended. Usual Adult Dose for Erectile Dysfunction. Use as needed for ED: Initial dose: 10 mg orally once a day, as needed, prior to sexual activity. Maintenance dose: 5 to 20 mg orally once a day, as needed, prior to sexual