Generic drugs are copies of brand-name drugs that have exactly the same dosage, intended use.
The generic drug Atorvastatin goes by the brand name Lipitor.
Fentanyl is a generic drug.
The FDA approved Aripcept (Donepezil) for generic sale in 2009.
No it appears that Extenze is a generic drug. Therefore there is no generic for it.
Microgestin is a generic for the drug Loestrin.
Yes, azithromycin is generic for Zithromax.
If you meant "What is a drug name used by several companies?" then the answer would be a generic drug. An example of a generic drug would be aspirin.
Dexlansoprazole
The generic name for Fosamax is alendronate sodium.
A drug usually has one generic name but because many are very complicated chemical compounds, more than one is possible - for instance, sulphamethoxine and sulphadimidine are the same drug/compound. A drug, when approved, has one brand name & one generic name. The generic manufacturers must use the same generic name but can make their own trade names.
The generic name is Aspirin or acetylsalicylic acid.
There is a drug called Arthrotec 75 used for inflammation. The generics of the drug are Diclofenac and Misoprostol. Other generic medications may work as well such as Meloxicam.