A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
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Revatio 20 mg tablets are now approved for the treatment of pulmonary arterial hypertension (PAH). Revatio relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Revatio is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
You can buy sildenafil citrate and Revatio generic from Canada Pharmacy at the best rates.
Use Revatio exactly as it was prescribed to you. Make sure that you follow the exact directions and do not alter the dosage of the medicine. The medicine is usually taken 3 times a day, with a gap of 4 to 6 hours. You need to store Revatio at room temperature away from moisture and heat. If you miss a dose, take it immediately as you remember it or if it is time for your next dose, skip the missed dose.
Each revatio 20 mg contains 20 mg of sildenafil citrate.
The inactive ingredients include:
Avoid the use of grapefruit products while taking Revatio as it may lead to unwanted side effects. Allow a gap of 24 hours between doses. Sildenafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. Stop using sildenafil and get emergency medical help if you have sudden vision loss.
Less serious side effects may include:
In case of following side effects, seek immediate medical help:
In case of a serious side effect, contact your doctor. Some Serious side effects include: