Description
Viagra is a pharmaceutical drug that’s used to treat erectile dysfunction . With erectile dysfunction, you’re unable to have or maintain an erection. Viagra is approved for this use in male adults over the age of 18.
Viagra contains the drug sildenafil. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. (A class of drugs is a group of medications that act in a similar way.) Viagra increases blood flow to the penis, which helps maintain and keep an erection. Although, Viagra only works if you’re sexually aroused.
In most cases, Viagra should be taken about an hour before sexual activity, but it can be taken 30 minutes to 4 hours beforehand. Viagra’s is active in the body for up to 5 hours. This means that if you’re aroused, you should be able to achieve an erection for up to 4 hours after taking Viagra. If you have an erection that lasts longer than 4 hours, go to the nearest emergency room or call 911.
Viagra is seen to work faster if you take it on an empty stomach. However, if Viagra is taken with food, especially with a high-fat meal, it will take longer to start working. And in this case, it could even be less effective for you.
SIDE EFFECTS
Viagra side effects vary from mild to severe side effects.
Some of the mild side effects can include headaches, flushing, indigestion, temporary vision changes- such as a blue tinge in your vision, blurred vision, and sensitivity to light, nasal congestion, back pain, muscle pain, nausea, dizziness, and a rash.
Severe side effects are not common, but they do occur to a small percentage of men, call your doctor right away if you have a serious side effects, and call 911 if the side effects feel life threatening.
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