Erectile dysfunction: Viagra and other oral medications

But unlike prescription medications for erectile dysfunction, such as sildenafil (Viagra), vardenafil (Levitra, Staxyn), tadalafil (Cialis, Adcirca) and avanafil (Stendra) herbal viagra pills for sale These pills work for about 80% of those who take them. But if your erection lasts more than 4 hours, seek emergency medical help. A lot of over-the-counter products have been hailed as all 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.

1. How it works. Cialis is a brand (trade) name for tadalafil which may be used to treat erectile dysfunction (ED) and benign prostatic hyperplasia (BPH). Cialis (tadalafil) works by blocking the action of an enzyme known as cGMP-specific phosphodiesterase type-5 (PDE-5). This enzyme breaks down cGMP, a substance that induces smooth muscles to Cialis is the brand name for tadalafil, a medication used to treat ED.It belongs to group of drugs called phosphodiesterase-5 (PDE5) inhibitors. Cialis and generic Cialis (tadalafil) are taken as cialis works better than tadalafil Cialis works by enhancing the effects of one of the chemicals the body normally releases into the penis during sexual arousal. This allows an increase of blood flow into the penis. Cialis (tadalafil) is an orally administered prescription medication used for erectile dysfunction (ED) and pulmonary arterial hypertension (PAH) to reduce the symptoms of an enlarged prostate. This article will explain how it works alongside other pertinent information regarding its consumption.