Many medicines also have one or more brand names. This is chosen by the company that makes it. The name is often chosen to be memorable for advertising, or to be easier to say or spell than the generic name. For example, paracetamol is a generic name. There are several companies that make this with brand names such as us; Siddhartha Pharmaceutical Pvt. Ltd. has given brand name SYNOMOL®. The brand name is usually written most clearly on any packaging.

It is named for the active ingredient of the medicine. For example, Rabeprazole is the generic name of a medicine used to treat acid related disorders. SIDDHARTHA, sales it under the brand name RABRA-20.

Therapeutic classes or category are a way of classifying medical drugs according to their functions. Each therapeutic class is a group of similar medications classified together because they are intended to treat the same medical conditions. These classifications are used by doctors and pharmacists when selecting appropriate treatments for patients. Commonly used classes include analgesics, which relieve pain; antibiotics, which kill bacterial infections; and anticonvulsants, which prevent seizures.