What is minocycline?
Minocycline is a tetracycline antibiotic. It fights bacteria in the body.
Minocycline is used to treat many different bacterial infections, such as urinary tract infections, severe acne, gonorrhea, tick fever, chlamydia, and others.
Minocycline may also be used for other purposes not listed in this medication guide.
Do not use this medication if you are allergic to minocycline, or to similar medicines such as demeclocycline (Declomycin), doxycycline (Adoxa, Doryx, Oracea, Vibramycin), or tetracycline (Brodspec, Panmycin, Sumycin, Tetracap).
Before taking minocycline, tell your doctor if you have liver or kidney disease. You may not be able to take minocycline, or you may require a dosage adjustment or special monitoring during therapy.
If you are using minocycline to treat gonorrhea, your doctor may test you to make sure you do not also have syphilis, another sexually transmitted disease.
FDA pregnancy category D. This medication can cause harm to an unborn baby, including permanent discoloration of the teeth later in life. Do not use minocycline without your doctor’s consent if you are pregnant. Tell your doctor if you become pregnant during treatment. Minocycline can make birth control pills less effective. Use a non-hormonal method of birth control (such as a condom, diaphragm, spermicide) to prevent pregnancy while you are taking minocycline.
Minocycline passes into breast milk and may affect bone and tooth development in a nursing baby. Do not take this medication without telling your doctor if you are breast-feeding a baby.
Do not give minocycline to a child younger than 8 years old. Minocycline can cause permanent yellowing or graying of the teeth, and it can affect a child’s growth.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.
Avoid exposure to sunlight or artificial UV rays (sunlamps or tanning beds). Minocycline can make your skin more sensitive to sunlight and sunburn may result. Use a sunscreen (minimum SPF 15) and wear protective clothing if you must be out in the sun.
Do not take iron supplements, multivitamins, calcium supplements, antacids, or laxatives within 2 hours before or after taking minocycline. These products can make minocycline less effective.
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Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include nausea, vomiting, and diarrhea.
Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication unless otherwise directed by your doctor.
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Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using minocycline and call your doctor at once if you have any of these serious side effects:
- severe headache, dizziness, blurred vision;
- fever, chills, body aches, flu symptoms;
- severe blistering, peeling, and red skin rash;
- urinating less than usual or not at all;
- pale or yellowed skin, dark colored urine, fever, confusion or weakness;
- severe pain in your upper stomach spreading to your back, nausea and vomiting, fast heart rate;
- loss of appetite, jaundice (yellowing of the skin or eyes); or
- easy bruising or bleeding, unusual weakness.
Less serious side effects may include:
- sores or swelling in your rectal or genital area;
- mild nausea, vomiting, diarrhea, or stomach upset;
- white patches or sores inside your mouth or on your lips;
- swollen tongue, trouble swallowing; or
- vaginal itching or discharge.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
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Before taking minocycline, 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.
This list is not complete and there may be other drugs that can interact with minocycline. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Dynacin, Minocin, Myrac, Solodyn, Vectrin, minocycline, and Minocin PAC
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