Demeclocycline and Doxycycline interaction
Demeclocycline and Doxycycline: the Demeclocycline prescribing label mentions this combination without an instruction to avoid it or change the dose.
Minor
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Demeclocycline (Demeclocycline Hydrochloride) label · effective 2025-12-11
Minor
WARNINGS DEMECLOCYCLINE HYDROCHLORIDE, LIKE OTHER TETRACYCLINE-CLASS ANTIBIOTICS, CAN CAUSE FETAL HARM WHEN ADMINISTERED TO A PREGNANT WOMAN.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.