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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Tretinoin belongs to the group of medicines known as retinoids (RET-i-noyds). It is used to treat a form of leukemia (acute promyelocytic leukemia [APL]).
Your doctor should check your progress at regular visits to make sure that the medicine is working properly and to check for unwanted effects. Tretinoin causes fever, headache, tiredness, and weakness in most people who take it. It is very important that you continue taking the medicine even if it makes you feel ill.
heck with your doctor immediately if any of the following side effects occur: More common Black, tarry stools bleeding blistering bloody stools bone pain burning coldness difficulty in moving discomfort or pain in chest enlarged heart feeling of pressure fever hives infection inflammation joint pain lumps numbness paleness of skin