Drug Interaction
Before taking tetracycline, tell your doctor if you are taking any of the following drugs:
cholesterol-lowering medications such as cholestyramine (Prevalite, Questran) or colestipol (Colestid);
isotretinoin (Accutane);
tretinoin (Renova, Retin-A, Vesanoid);
an antacid such as Tums, Rolaids, Milk of Magnesia, Maalox, and others;
a product that contains bismuth subsalicylate such as Pepto-Bismol;
minerals such as iron, zinc, calcium, magnesium, and over-the-counter vitamin and mineral supplements;
a blood thinner such as warfarin (Coumadin); or
a penicillin antibiotic such as amoxicillin (Amoxil, Trimox, others), penicillin (BeePen-VK, Pen-Vee K, Veetids, others), dicloxacillin (Dynapen), carbenicillin (Geocillin), oxacillin (Bactocill), and others.
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Acne 
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