How does Doryx treat bacterial infections?

Doryx can be used to treat several types of infections caused by bacteria including eye, respiratory, intestinal, and urinary tract infections; illnesses carried by fleas, ticks, and lice that cause fevers and other symptoms (such as Rocky Mountain spotted fever and Lyme disease); and sexually transmitted diseases, among others. For some of these bacterial infections, Doryx is not the first choice drug but rather, an alternative medication for people who cannot tolerate penicillin.

Doryx cannot directly destroy bacteria. Instead, it interferes with the production of vital proteins which ultimately limits the bacteria’s ability to grow and reproduce.

It is not uncommon for bacteria to be resistant to Doryx. Therefore, your doctor may require certain laboratory tests to determine whether your condition can be treated by this medication. Treatment usually involves taking a pill once a day for one to two weeks. Chronic infections may require longer therapy. For example, if syphilis has been present for more than one year, you will need to take Doryx for four weeks.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.