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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Your doctor may prescribe Doryx for acne or a variety of other infective conditions, including:
Doryx is an antibacterial agent that works by preventing the replication of many different types of bacteria. It is not known how this medication works to treat acne, but it is thought that certain types of bacteria may contribute to the development of acne.
The standard dosage is 100mg by mouth twice daily on the first day of treatment, followed by 100 mg once daily for as long as directed. For severe acne infections, the dosage may be increased to 100 mg twice daily.
Swallow the capsule whole with a full glass of water. Painful esophageal ulcers have been reported when the capsule becomes lodged in the throat.
The active ingredient in Doryx is doxycycline hyclate delayed-release.
The tablets are available in 80 mg, 100 mg, 150 mg, and 200 mg.
Common interactions between Doryx and other medications include:
Doryx may increase your sensitivity to the sun. Wear appropriate sun protection while using this medication.
Ask your doctor about all the side effects that apply to you.
Common adverse reactions may include:
Doryx [package insert]. Rockaway, NJ: Warner Chilcott; 2013.