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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.
Revatio is a prescription pulmonary hypertension treatment medication that works to counter this condition where high blood pressure builds up in the lungs and impedes strong lung and heart function.
Sildenafil works to relax and widen blood vessels so that they are less constricted and pressure is reduced. It is always important to treat arterial hypertension as allowing blood pressure to stay high creates a number of serious associated health risks. Revatio is an effective way to bring blood pressure in the lungs down and it can be very beneficial for some people in allowing them to continue with vigorous cardiovascular exercise.
Standard dosage is one Revatio 20mg tablet taken 3 times a day 4-6 hours apart, and Revatio medication can be taken with or without food. A different dosage may be specified in your prescription, and you should always take your medication exactly as it is indicated there.
The active ingredient in Revatio is Sildenafil.
Let your doctor know if you have any history of heart attack, irregular heartbeat, heart failure, stroke, angina, high or low blood pressure, dehydration, penis conditions like angulation, fibrosis / scarring, Peyronie's disease or priapism, sickle cell anemia, leukemia, multiple myeloma, eye problems or other lung conditions like pulmonary veno-occlusive disease before starting on Revatio 20mg.
Medication may make you dizzy, and it is best to use caution when driving or using machinery.
Only use medication if pregnant or breastfeeding when approved to do so by a doctor.
Be aware of expiry date for medication.
Revatio side effects are possible, and some users may experience dizziness, lightheadedness, headache, flushing, stomach upset, nosebleeds, trouble sleeping, or edema. If side effects are seen you may want to stop use and speak to your doctor again regarding arterial hypertension treatment alternatives.