Viagra is a common medication used to cure erectile dysfunction (ED). Based upon drug details provided at Drugs.com this medicine works by enlarging blood vessels in the penis during sexual arousal and enlargement in blood vessels allows the inflow blood needed for an erection.
It is good to be aware of the contents and expected effects and side-effects of medicines before starting medication.
Sildenafil
Sildenafil is an active ingredient in Viagra. Sildenafil causes a release of nitrous oxide (NO), which is a chemical that causes the blood vessels in the penis to enlarge during sexual stimulation, according to Viagra.com. Sildenafil is considered effective in curing ED. The common side effects of sildenafil include abnormal vision, acid indigestion, diarrhea, flushing, headache, nasal congestion and urinary tract infection. Consult your doctor in case you experience any of the side effects or are not noticing any betterment in your erection.
Inactive Contents
Inactive contents or excipients are added to drugs to help with ease of use and to support the effectiveness of the active ingredient. Microcrystalline cellulose, anhydrous dibasic calcium phosphate, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, lactose, and triacetin are inactive ingredients in Viagra. Inactive ingredients do not have any direct effect on symptoms. Incase you have allergies to any of these inactive ingredients, you should consult your doctor before consuming Viagra.
Coloring Ingredients
Drugs.com lists the coloring ingredient as FD & C Blue #2 aluminum lake. According to the Food and Drug Administration, food coloring additives are safe when used correctly.
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