Can I take Iron with Doxycycline?
Oral doxycycline and oral iron preparations. The direct original study used ferrous sulfate; intravenous iron is not covered by that absorption result.
Read the interaction guide →Medication overview
Doxycycline: Supplement Interactions
Find the available answers about doxycycline and supplements. Each guide explains its evidence and the forms it covers.
Supplement combinations
6 published guides. Coverage is limited to the combinations listed.
Can I take Vitamin a with Doxycycline?
Systemic doxycycline and oral preformed vitamin A such as retinol or retinyl esters. Isotretinoin and topical retinoids remain distinct medicines; beta-carotene and ordinary food intake are not automatically assigned the same toxicity profile.
Read the interaction guide →Can I take Magnesium with Doxycycline?
Oral doxycycline with magnesium-containing antacids or laxatives. Nutritional magnesium salts require explicit applicability assessment; injected magnesium and low blood magnesium are different questions.
Read the interaction guide →Can I take Zinc with Doxycycline?
Oral doxycycline chloride 200 mg and zinc sulfate providing 45 mg zinc in the direct study. The evidence does not establish equivalence for every doxycycline or zinc formulation, or for multivitamins containing additional minerals.
Read the interaction guide →Can I take Calcium with Doxycycline?
Oral doxycycline, with product-label evidence for hyclate tablets and calcium-containing antacids. Milk-study findings are contextual and are not an exact effect estimate for calcium supplements.
Read the interaction guide →Can I take Bismuth with Doxycycline?
Oral bismuth subsalicylate, including the studied liquid product, with oral doxycycline hyclate. Bismuth subcitrate and clinician-designed combination regimens are not interchangeable with this exposure.
Read the interaction guide →A supplement missing from this list has not been cleared for use with the medication. These pages do not assess every product, formulation, or combination.
Publication status, clinical review and change history are shown in each interaction guide.