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Rifadin

Generic Name: rifampin (rif-AM-pin)
Brand Name: Rifadin

Rifadin is used for:

Treating all forms of tuberculosis (TB). Rifadin is also used to treat patients who do not have meningitis but carry the meningitis bacteria in their nose and throat and may spread the bacteria to others. Rifadin does not treat meningitis. It may also be used for other conditions as determined by your doctor.

Rifadin is a rifamycin antibiotic. It works by killing or stopping the growth of sensitive bacteria.

Do NOT use Rifadin if:

  • you are allergic to any ingredient in this or to any rifamycin (eg, rifabutin)
  • you are taking atazanavir, cabazitaxel, darunavir, delavirdine, dronedarone, etravirine, fosamprenavir, lurasidone, nifedipine, praziquantel, ranolazine, saquinavir, tipranavir, tyrosine kinase receptor inhibitor (eg, lapatinib), or voriconazole

Contact your doctor or health care provider right away if any of these apply to you.

Before using Rifadin:

Some medical conditions may interact with Rifadin. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • you have allergies to medicines, foods, or other substances
  • if you have adrenal gland problems, the blood disease porphyria, diabetes, liver problems (eg, cirrhosis, jaundice), or inflammation or obstruction of the bile ducts

Some MEDICINES MAY INTERACT with Rifadin. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Atazanavir, cabazitaxel, darunavir, delavirdine, dronedarone, etravirine, fosamprenavir, lurasidone, nifedipine, praziquantel, ranolazine, saquinavir, tipranavir, tyrosine kinase receptor inhibitors (eg, lapatinib), or voriconazole because their effectiveness may be decreased by Rifadin
  • Many prescription medicines (eg, used for angina, anxiety, asthma, birth control, blood thinning, cancer, diabetes, heart problems, high blood pressure, high cholesterol, high iron levels, high uric acid levels, HIV, hormone replacement, immune system suppression, infections, inflammation, irregular heartbeat, low sodium levels, low vitamin D levels, mental or mood problems, nausea and vomiting, pain, seizures, sleep, thyroid) may interact with Rifadin, increasing the risk of side effects or decreasing effectiveness

This may not be a complete list of all interactions that may occur. Ask your health care provider if Rifadin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Rifadin:

Use Rifadin as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Take Rifadin by mouth on an empty stomach at least 1 hour before or 2 hours after eating with a full glass of water (8 oz/240 mL).
  • If you are unable to swallow Rifadin whole, your pharmacist may be able to make a liquid form of Rifadin. Talk with your pharmacist if you have questions.
  • Do not take an antacid within 1 hour after you take Rifadin.
  • To clear up your infection completely, take Rifadin for the full course of treatment. Keep taking it even if you feel better in a few days.
  • Rifadin works best if it is taken at the same time every day.
  • Separate doses by 8 to 12 hours if taking an oral aminosalicylic acid.
  • Do not stop taking Rifadin without checking with your doctor. Do not miss any doses. Rarely, kidney problems have occurred when patients started taking Rifadin again after therapy was interrupted.
  • If you miss a dose of Rifadin, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. If more than one dose is missed, contact your doctor or pharmacist.

Ask your health care provider any questions you may have about how to use Rifadin.

Important safety information:

  • Rifadin may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Rifadin with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
  • Rifadin may produce a reddish coloration of your urine, sweat, saliva, and tears. Rifadin may also permanently stain soft contact lenses.
  • Mild diarrhea is common with antibiotic use. However, a more serious form of diarrhea (pseudomembranous colitis) may rarely occur. This may develop while you use the antibiotic or within several months after you stop using it. Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
  • Rifadin only works against bacteria; it does not treat viral infections (eg, the common cold).
  • Hormonal birth control (eg, birth control pills, implants, patches) may not work as well while you are using Rifadin. To prevent pregnancy, use an extra form of birth control (eg, condoms).
  • Be sure to use Rifadin for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
  • Tell your doctor or dentist that you take Rifadin before you receive any medical or dental care, emergency care, or surgery.
  • Diabetes patients -Rifadin may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
  • Rifadin may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking Rifadin.
  • Lab tests, including complete blood counts, platelet counts, and kidney and liver function, may be performed while you use Rifadin. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Rifadin while you are pregnant. Rifadin is found in breast milk. Do not breast-feed while taking Rifadin.

Possible side effects of Rifadin:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Diarrhea; dizziness; drowsiness; gas; headache; heartburn; menstrual changes; mild upset stomach or cramps.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloody or dark urine; change in the amount of urine produced; confusion; dark, tarry, or bloody stools; fever, chills, or sore throat; joint pain or swelling; muscle pain or weakness; nausea; red, swollen, blistered, or peeling skin; severe diarrhea, stomach pain, or cramps; shortness of breath; swelling of the arms, face, or legs; symptoms of liver problems (eg, dark urine, loss of appetite, pale stools, yellowing of the eyes or skin); unusual bruising or bleeding; unusual tiredness or weakness; vision changes; vomiting.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include fainting; fast or irregular heartbeat; headache; itching; loss of consciousness; nausea; severe or persistent dizziness; seizures; sluggishness; stomach pain; swelling of the eyes or face; vomiting; yellowing of the eyes and skin.

Proper storage of Rifadin:

Store Rifadin at room temperature, between 59 and 86 degrees F (15 and 30 degrees C), in a tightly closed container, away from heat, moisture, and light. Avoid excessive heat (temperatures above 104 degrees F [40 degrees C]). Keep Rifadin out of the reach of children and away from pets.

General information:

  • If you have any questions about Rifadin, please talk with your doctor, pharmacist, or other health care provider.
  • Rifadin is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • If using Rifadin for an extended period of time, obtain refills before your supply runs out.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Rifadin or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Rifadin. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Rifadin. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Rifadin.

Issue Date: September 3, 2014
Database Edition 14.3.1.003
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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