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 anti-tumor medicine used to treat locally advanced or metastatic non-small cell lung cancer after the failure of at least one previous chemotherapy regimen. It may also be used to treat other conditions as determined by your doctor.
SIDE EFFECTS that may occur while taking this medicine include diarrhea, loss of appetite, fatigue, nausea, vomiting, inflammation of the mouth, or dry skin. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience severe or persistent diarrhea, nausea, loss of appetite, or vomiting; unexplained shortness of breath or cough; eye redness, irritation, or discharge; fever; unexplained sore throat; black, tarry stools; vomit that looks like coffee grounds. An allergic reaction to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.