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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This medicine is an immune response modifier used to treat rheumatoid arthritis in certain patients. It works by blocking a protein (tumor necrosis factor or TNF) made by the body's immune system that causes joint swelling and damage.
SIDE EFFECTS that may occur while taking this medicine include redness, itching, pain, or swelling at the injection site. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you fast, irregular, or pounding heartbeat, stomach pain, blood in the stools, mental/mood changes, easy bruising or bleeding, dark urine, yellowing eyes and skin, leg pain or swelling, numbness or tingling of the hands or feet, unsteadiness, muscle weakness, vision changes, unusual fatigue, chest pain, joint pain, butterfly-shaped rash on the nose and cheeks. Though unlikely, you may have a slightly increased risk of developing a certain type of cancer (lymphoma) due to this medicine or due to rheumatoid arthritis. Tell you doctor immediately if you develop symptoms such as unusual lumps or swollen glands. Tell your doctor immediately if you develop signs of infection while using this medicine, including fever, chills persistent sore throat, trouble breathing, painful or frequent urination, unusual vaginal discharge, or white patches in the mouth (oral thrush). Tell your doctor immediately if you develop signs of tuberculosis infections including mild fever, persistent dry cough, weight loss, or night sweats. IF YOU EXPERIENCE difficulty breathing; tightness of chest; swelling of eyelids, face, or lips; or if you develop a rash or hives, tell your doctor immediately. Do not take any more doses of this medicine unless your doctor tells you to do so. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.