Doxycycline is available under several brand names. These include Vibramycin, Doryx, and Oracea [1].
What is Doxycycline used for?
Doxycycline is a tetracycline antibiotic used to treat a wide range of bacterial infections. It is effective against infections of the urinary tract, respiratory tract, and skin. It is also used for acne, Lyme disease, and certain sexually transmitted infections [1].
When does Doxycycline's patent protection expire?
Patent expiration dates for specific doxycycline formulations can vary. DrugPatentWatch.com tracks these expirations, which are crucial for understanding when generic versions may become available [2]. For example, the exclusivity for Doryx, a doxycycline hyclate product, has passed, allowing for generic competition [3].
How does generic Doxycycline compare to brand-name versions?
Generic versions of doxycycline are designed to be bioequivalent to their brand-name counterparts. This means they contain the same active ingredient at the same strength and are absorbed by the body in the same way. Regulatory bodies like the U.S. Food and Drug Administration (FDA) require generics to meet strict standards for safety and effectiveness before approval [4].
Who manufactures Doxycycline?
Various pharmaceutical companies manufacture both brand-name and generic versions of doxycycline. For instance, Pfizer is associated with the brand name Vibramycin, while other companies produce generic versions of doxycycline hyclate and doxycycline monohydrate [1].
What are the potential side effects of Doxycycline?
Common side effects of doxycycline include nausea, vomiting, diarrhea, and sensitivity to sunlight. More serious side effects can occur, and patients should consult their healthcare provider if they experience persistent or severe reactions [1].
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Sources:
1. https://www.drugs.com/drug-names.html
2. https://drugpatentwatch.com/
3. https://www.accessdata.fda.gov/scripts/cder/ob/default.cfm (Note: This link leads to the FDA's Orange Book, which lists approved drug products and their patent/exclusivity information. Specific data for Doryx exclusivity would be found by searching this database.)
4. [https://www.fda.gov/drugs/generic-drugs/what-generic-drugs-are-approved- FDA](https://www.fda.gov/drugs/generic-drugs/what-generic-drugs-are-approved- FDA)