Viagra belongs to a group of medicines called phosphodiesterase type 5 inhibitors.Four strengths of almond-shaped tablets are available in different sizes and different shades of yellow, and supplied in the following package sizes: buy discount cialis Drug InteractionsSildenafil citrate is designated chemically as 1-[[3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate and has the following structural formula:
Levitra: headache, flushing, indigestion, nausea, dizziness, nasal congestion4
Rare (less than 0.1%): Hypertension what are the side effects of viagra Cardiovascular: angina pectoris, AV block, migraine, syncope, tachycardia, palpitation, hypotension, postural hypotension, myocardial ischemia, cerebral thrombosis, cardiac arrest, heart failure, abnormal electrocardiogram, cardiomyopathy.Campaign has been a successSurgeryFrequency not reported: Pharyngitis[Ref]
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buy cheap viagra online Viagra does not cure erectile dysfunction and it does not protect you or your partner from acquiring any sexually transmitted diseases.Viagra (sildenafil) belongs to a class of medications, known as phosphodiesterase inhibitors, which are indicated for the treatment of erectile dysfunction in men. Other phosphodiesterase inhibitors include Levitra (vardenafil) and Cialis (tadalafil). These medications are not necessarily different types of Viagra, but treatment alternatives. Viagra, commonly referred to as the "little blue pill" was the first erectile dysfunction medication to be approved by the U.S. Food and Drug Administration (FDA). By inhibiting phosphodiesterase, Viagra enhances the effect of nitric oxide allowing for smooth muscle relaxation and increasing blood flow to specific areas of the body in the presence of sexual arousal or stimulation. Viagra exhibits no therapeutic responses in the absence of sexual stimulation. Possible side effects associated with treatment with Viagra include flushed skin, nausea or abdominal pain, congestion in the nose, diarrhea, vision clouded with a blue tint, headache and digestive problems.
What side effects can this medication cause?Effects of Vardenafil on Other Drugs
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