(peer a zin' a mide)
| WHY is this medicine prescribed?
| HOW should this medicine be used?
| What should I do IF I FORGET to take a dose?
| What SIDE EFFECTS can this medicine cause?
| What should I know about STORAGE and DISPOSAL of this medication?
| What should I do in case of OVERDOSE?
| What OTHER INFORMATION should I know?
- Rifater®(as a combination product containing Isoniazid, Pyrazinamide, Rifampin)
WHY is this medicine prescribed?
Pyrazinamide kills or stops the growth of certain bacteria that cause tuberculosis (TB). It is used with other drugs to treat tuberculosis.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
HOW should this medicine be used?
Pyrazinamide comes as a tablet to take by mouth. It usually is taken once a day (at the same time each day) or in larger doses twice a week. Pyrazinamide may be taken with or without food. Follow the directions on your prescription label carefully, and ask your pharmacist or doctor to explain any part you do not understand. Take pyrazinamide exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
What SPECIAL PRECAUTIONS should I follow?
Before taking pyrazinamide,
- tell your doctor and pharmacist if you are allergic to pyrazinamide, niacin, ethionamide (Trecator-SC), or any other drugs.
- tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially allopurinol (Zyloprim), colchicine and/or probenecid (Col-Probenecid, Benemid), ethionamide (Trecator-SC), and vitamins.
- tell your doctor if you have or have ever had gout, liver or kidney disease, or diabetes.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking pyrazinamide, call your doctor.
- plan to avoid unnecessary or prolonged exposure to sunlight and to wear protective clothing, sunglasses, and sunscreen. Pyrazinamide may make your skin sensitive to sunlight.
What should I do IF I FORGET to take a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and take only your regularly scheduled dose. Do not take a double dose to make up for a missed one.
What SIDE EFFECTS can this medicine cause?
Pyrazinamide may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
If you experience any of the following symptoms, call your doctor immediately:
- skin rash
- loss of appetite
- yellowing of the skin or eyes
- darkened urine
- pain and swelling in the joints
- unusual bleeding or bruising
- difficult urination
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].
What should I know about STORAGE and DISPOSAL of this medication?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
What should I do in case of OVERDOSE?
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
What OTHER INFORMATION should I know?
Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your response to pyrazinamide.
If you have diabetes, pyrazinamide may interfere with urine ketone tests. If you use urine ketone tests, check with your doctor about using other types of tests while taking pyrazinamide.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
¶This branded product is no longer on the market. Generic alternatives may be available.
AHFS® Consumer Medication Information. © Copyright, The American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland. All Rights Reserved. Duplication for commercial use must be authorized by ASHP.
Last Reviewed: September 1, 2010.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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