Before taking minocycline,
tell your doctor and pharmacist if you are allergic to minocycline, tetracycline, doxycycline, demeclocycline, any other medications, or any of the ingredients in minocycline capsules, pellet-filled capsules, or extended-release tablets. Ask your pharmacist for a list of the ingredients.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: anticoagulants ('blood thinners') such as warfarin (Coumadin, Jantoven); ergot-type medications such as bromocriptine (Cycloset, Parlodel), cabergoline, dihydroergotamine (D.H.E. 45, Migranal), ergoloid mesylates (Hydergine), ergonovine (Ergotrate), ergotamine (Ergomar, in Cafergot, Migergot), and methylergonovine (Methergine); and penicillin. Also tell your doctor or pharmacist if you are taking isotretinoin (Absorica, Amnesteem, Clavaris, others) or have recently stopped taking it. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Minocycline decreases the effectiveness of some oral contraceptives; talk to your doctor about selecting another form of birth control to use while taking this medication.
be aware that antacids containing magnesium, aluminum, or calcium, calcium supplements, zinc products, iron products, and laxatives containing magnesium interfere with minocycline, making it less effective. Take minocycline2 hours before or 6 hours after antacids , calcium supplements, and laxatives containing magnesium. Take minocycline 2 hours before or 4 hours after iron preparations and vitamin products that contain iron. Take minocycline 2 hours before or after zinc containing products.
tell your doctor if you have or have ever had asthma, lupus (condition in which the immune system attacks many tissues and organs including the skin, joints, blood, and kidneys), intracranial hypertension (pseudotumor cerebri; high pressure in the skull that may cause headaches, blurry or double vision, vision loss, and other symptoms), or kidney or liver disease.
you should know that minocycline may decrease the effectiveness of hormonal contraceptives (birth control pills, patches, rings, or injections). Talk to your doctor about using another form of birth control.
tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking minocycline, call your doctor immediately. Minocycline can harm the fetus.
you should know that minocycline may make you lightheaded or dizzy. Do not drive a car or operate machinery until you know how this medication affects you.
plan to avoid unnecessary or prolonged exposure to sunlight and to wear protective clothing, sunglasses, and sunscreen. Minocycline may make your skin sensitive to sunlight.
you should know that when minocycline is used during pregnancy or in babies or children up to age 8, it can cause the teeth to become permanently stained. Minocycline should not be used in children under age 8 except for inhalational anthrax or if your doctor decides it is needed.