Doxycycline monohydrate description

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Doxycycline monohydrate
DOXYCYCLINE MONOHYDRATE® FDA Package Insert
Description
Clinical Pharmacology
Microbiology
Indications and Usage
Contraindications
Warnings and Precautions
Adverse Reactions
Overdosage
Dosage and Administration
How Supplied
Labels and Packages

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohamed Moubarak, M.D. [2]

Description

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

Structural formula:

C22H24N2O8 • H2, 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. Doxycycline will not degrade into an epianhydro form.

Inert ingredients: colloidal silicon dioxide; magnesium stearate; microcrystalline cellulose; sodium starch glycolate; and a hard gelatin capsule which contains black iron oxide, red iron oxide, titanium dioxide, and yellow iron oxide for the 100 mg and 75 mg strengths, titanium dioxide and yellow iron oxide for the 50 mg strength. The capsules are printed with edible ink containing black iron oxide, red iron oxide, and yellow iron oxide for the 50 mg and 100 mg strengths and black iron oxide, FD&C Blue No. 2, FD&C Red No. 40, FD&C Blue No. 1, and D&C Yellow No. 10 for the 75 mg strength.[1]

References

  1. "DOXYCYCLINE MONOHYDRATE (DOXYCYCLINE) CAPSULE [WATSON LABORATORIES, INC.]". Text " accessdate" ignored (help)

Adapted from the FDA Package Insert.