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Adoxa

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Adoxa

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ADOXA®
(doxycycline) Capsules, USP

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.

DRUG DESCRIPTION

Doxycycline is a broad-spectrum antibiotic synthetically derived from oxytetracycline. Doxycycline 150 mg capsules contain doxycycline monohydrate equivalent to 150 mg of doxycycline for oral administration. Inactive ingredients include colloidal silicon dioxide, FD&C Red #40, FD&C Yellow #6, gelatin, magnesium stearate, microcrystalline cellulose, sodium starch glycolate, and titanium dioxide. Its molecular weight is 462.46. The chemical designation of the light-yellow crystalline powder is alpha-6-deoxy-5-oxytetracycline.

Structural formula:

ADOXA®
  (Doxycycline)  Structural Formula Illustration

C22H24N2O8•H2O

Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form.

Last reviewed on RxList: 4/22/2009
This monograph has been modified to include the generic and brand name in many instances.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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