Doxycycline Monohydrate

Dosage form: capsule
Drug classes:Miscellaneous antimalarials, Tetracyclines

Medically reviewed by Drugs.com. Last updated on Feb 1, 2021.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of doxycycline capsules and other antibacterial drugs, doxycycline capsules should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.

Doxycycline Monohydrate Description

Doxycycline is a broad-spectrum antibacterial synthetically derived from oxytetracycline. Doxycycline capsules 100 mg, 75 mg, and 50 mg capsules contain Doxycycline Monohydrate, USP equivalent to 100 mg, 75 mg, or 50 mg of doxycycline for oral administration. The chemical designation of the light-yellow to pale yellow powder is alpha-6-deoxy-5-oxytetracycline.

Structural formula:

C 22H 24N 2O 8 • H 2O M.W. = 462.45

Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycyclin...