Pyrazinamide
About Pyrazinamide
Pyrazinamide is an oral prescription medication used to treat tuberculosis (TB) in combination with other medicines. It works by stopping the growth of the bacteria that cause this serious lung infection. Because tuberculosis requires multi-drug therapy, this medication is always prescribed alongside other antibiotics to ensure the infection is completely cleared.
For this medicine to work effectively, you must take it consistently and exactly as prescribed by your healthcare provider. You can take Pyrazinamide with or without food, but taking it with a full glass of water at the same time every day is highly recommended to maintain steady levels in your body. To support your body’s recovery, focus on eating a nutrient-rich diet, staying well-hydrated, and getting plenty of rest.
While taking Pyrazinamide, some people may experience side effects such as joint pain or mild stomach upset. However, you must contact your doctor immediately if you notice serious symptoms, particularly signs of liver damage. These include yellowing of your eyes or skin, dark urine, persistent nausea, or severe abdominal pain.
Do not take this if you have severe liver disease or active gout. Before starting Pyrazinamide, it is crucial to tell your doctor if you have kidney problems, diabetes, or a history of gout, as this medication can worsen these conditions or require special monitoring.
This medicine can interact with alcohol, which significantly increases your risk of experiencing serious liver damage. You should also consult your doctor before taking this medicine if you are pregnant, breastfeeding, or planning a pregnancy, as treatment plans must be carefully managed for these specific groups.
Uses of Pyrazinamide
Medicinal Benefits
Pyrazinamide helps treat tuberculosis (TB) by working as part of a combination of anti-tuberculosis medicines to clear the infection.
Benefits may include:
- Helps treat tuberculosis as part of a complete treatment plan.
- Reduces symptoms such as persistent cough, fever, and fatigue.
- Improves lung health as the infection clears.
- Supports a faster and more complete recovery from tuberculosis.
- Promotes the prevention of treatment failure and drug-resistant tuberculosis when taken as prescribed.
Directions for Use
- Swallow the tablet whole with a full glass of water. Do not crush, chew, or break the tablet unless your doctor specifically tells you to do so.
- You can take this medicine with or without food. If it upsets your stomach, taking it with meals may help reduce nausea or discomfort.
- Always take Pyrazinamide exactly as your doctor has instructed. Do not skip doses or stop taking the medication early, even if you start to feel better, as the infection can return and become harder to treat.
- Talk to your doctor or pharmacist if you have questions about how to take your medicine.
Storage
Side Effects of Pyrazinamide
Common Side Effects (Usually mild):
- Mild joint or muscle pain
- Loss of appetite
- Nausea or mild stomach upset
- Mild itching or skin rash
Serious Side Effects (Call a doctor right away):
- Signs of liver damage (such as yellowing of the skin or eyes, dark urine, persistent nausea, or severe abdominal pain)
- Severe joint pain, swelling, or redness (which may indicate a gout attack)
- Signs of a severe allergic reaction (including difficulty breathing, severe dizziness, or swelling of the face, lips, tongue, or throat)
- Unusual bruising or bleeding
Medicines Containing this Salt
View AllDrug Warnings
- Get regular liver tests: Your doctor will schedule regular blood tests to monitor your liver function while you are taking this medication. Do not skip these appointments.
- Watch for gout symptoms: This medicine can raise uric acid levels in your blood. Alert your healthcare provider immediately if you experience sudden, severe joint pain, particularly in your big toe.
- Complete the full course: Never stop taking Pyrazinamide early, even if your symptoms disappear. Stopping treatment too soon can cause the tuberculosis infection to return and become resistant to antibiotics.
- Inform all healthcare providers: Let any doctor, dentist, or pharmacist you visit know that you are currently taking Pyrazinamide for tuberculosis treatment.
Drug Interactions
- Gout medications (e.g., allopurinol, probenecid): Pyrazinamide can raise uric acid levels, which may decrease the effectiveness of medicines used to treat gout.
- Other Tuberculosis Medicines (e.g., rifampin, isoniazid): Combining these medicines is necessary for treatment but increases the risk of liver damage, requiring close monitoring by your doctor.
- Immunosuppressants (e.g., cyclosporine): Pyrazinamide may decrease cyclosporine levels in your body, reducing its effectiveness.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeYou are recommended to avoid alcohol consumption while taking Pyrazinamide. Alcohol intake, along with Pyrazinamide, may cause increased liver damage. Please consult your doctor for more information.
Pregnancy
cautionPyrazinamide should be used with caution during pregnancy. Please consult your doctor before taking Pyrazinamide if you are pregnant or planning to conceive.
Breast Feeding
cautionPyrazinamide is not recommended for use during breastfeeding since it is excreted into the breast milk and may harm a nursing baby. Please consult your doctor if you are a breastfeeding mother.
Driving
cautionIt is not known if Pyrazinamide alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to drive or operate machinery.
Liver
cautionPyrazinamide is not recommended in patients with severe liver damage. Please consult your doctor since Pyrazinamide should be used with caution in patients with liver impairment/liver disease. Regular monitoring of the liver with liver function tests is also advised.
Kidney
cautionPlease consult your doctor since Pyrazinamide should be used with caution in patients with kidney impairment/kidney disease. Your doctor may adjust the dosage in case of renal dysfunction.
Children
cautionPyrazinamide is recommended in children below 12 years of age only after doctor's advice.
Habit Forming
Diet & Lifestyle Advise
- Avoid alcohol completely: Drinking alcohol while taking Pyrazinamide significantly increases the risk of severe liver damage.
- Stay well-hydrated: Drink plenty of fluids, especially water, to help your kidneys flush out uric acid and reduce the risk of painful gout attacks.
- Monitor your blood sugar: If you have diabetes, check your blood glucose levels regularly, as this medication can affect blood sugar control.
- Eat a balanced, nutritious diet: Focus on protein-rich foods, fresh fruits, and vegetables to help your body rebuild strength and recover from tuberculosis.
Special Advise
- Let your doctor know that you are taking Pyrazinamide if you are undergoing any medical tests.
- Your doctor may advise liver enzymes and uric acid levels tests before you start treatment to make sure you can safely take Pyrazinamide.
- It is advised to undergo liver functioning tests to keep a check on your liver function.
- Use a reliable contraceptive method (such as condoms or a diaphragm) to prevent pregnancy while you are taking Pyrazinamide as it may make hormonal contraceptives such as the pill less effective.
Patients Concern
Disease/Condition Glossary
Tuberculosis (TB): Tuberculosis is an infectious disease that affects the lungs, but it could also spread to other body parts such as kidneys, brain, spine and bone marrow. Tuberculosis is caused by a bacteria named Mycobacterium tuberculosis. It is a contagious disease which can spread to others through small droplets released into the air by a person suffering from tuberculosis. Symptoms include a cough that lasts for a few weeks, pain while coughing or normal breathing, unexplained fatigue, fever, night sweats, and loss of appetite and weight. People who smoke or consume alcohol, and people diagnosed with HIV and immune system problems are more likely at risk of developing active TB.
FAQs
Pyrazinamide is used to treat and prevent tuberculosis.
Pyrazinamide contains Pyrazinamide. It is bactericidal and works by stopping the growth of Mycobacterium tuberculosis, a bacterium that causes tuberculosis.
Pyrazinamide is not recommended for use in the medical history of liver or kidney diseases, diabetes, gout, high uric acid level in the blood, alcohol use and undergoing dialysis treatment. Please let your doctor know if you have any other medical problems before starting Pyrazinamide.
Pyrazinamide can affect the live vaccines like typhoid vaccine and decrease its effectiveness. Please consult a doctor before you start Pyrazinamide if you are undergoing any vaccinations.
It is advised to take Pyrazinamide 30 minutes before food or 2 hours after food. Please consult your doctor for more information.
Pyrazinamide gets converted in the body to Pyrazinoic acid that blocks the excretion of urates (salt form of uric acid) by the kidneys. Increased blood levels of uric acid (hyperuricemia) causes pain, swelling, redness and stiffness in joints (gout). Hence, Pyrazinamide should be avoided if you have a history of gout.
Pyrazinamide is an antibiotic that belongs to the group of anti-tuberculosis (TB) drugs. It is used for the treatment of tuberculosis which is an infectious disease that mainly affects lungs but can also impact other parts of the body.
Yes, Pyrazinamide is bactericidal. It works by inhibiting the growth of Mycobacterium tuberculosis, the bacteria that is responsible for causing tuberculosis.
Pyrazinamide causes hyperuricemia and gout by inhibiting the renal excretion of uric acid, which can lead to the precipitation or worsening of gout. It should be used with caution in individuals with hyperuricemia or a history of gout.
The side effects of Pyrazinamide include nausea, vomiting, muscle/joint pain, nausea and loss of appetite. Consult the doctor if any of these symptoms persist or worsen.
No, you should avoid alcohol completely while taking Pyrazinamide. Alcohol increases your risk of experiencing severe liver damage. Talk to your doctor if you have concerns about stopping alcohol use.
The duration of your treatment depends on your specific tuberculosis treatment plan, which usually lasts several months. Always complete the entire course prescribed by your doctor, even if you feel better. Talk to your doctor before stopping the medicine.
Yes, Pyrazinamide can cause joint pain because it can raise uric acid levels in the blood. If you experience severe, sudden joint pain, especially in your big toe, contact your doctor immediately, as this could be a sign of gout.
You can take Pyrazinamide with or without food. If you experience stomach upset or nausea, taking it with a meal can help ease these symptoms. Talk to your doctor or pharmacist if stomach discomfort persists.
If you are pregnant or planning to become pregnant, you must discuss the risks and benefits with your doctor. Pyrazinamide is used during pregnancy only when clearly needed and prescribed by a specialist. Talk to your doctor to understand your options.
No, Pyrazinamide does not typically change the colour of your urine. However, if you notice your urine becoming very dark, it could be a sign of liver damage. Contact your doctor immediately if this happens.
Mild nausea can occur when you start taking Pyrazinamide. Taking the tablet with food can help. However, if the nausea is severe, persistent, or accompanied by vomiting or yellowing of your eyes, contact your doctor right away.
Yes, but you must inform your doctor before starting treatment. If you have kidney disease, your doctor may need to adjust your dose or monitor your kidney function more closely. Talk to your doctor to ensure safe use.

