Pyrazinamide Tablets IP 1000mg Uses
Pyrazinamide is an essential first-line anti-tuberculosis (anti-TB) medication. It is used in combination with other TB drugs (such as rifampicin, isoniazid, and ethambutol) for the treatment of active pulmonary and extrapulmonary tuberculosis. Pyrazinamide is particularly effective in the initial phase of TB treatment because it kills mycobacteria that are dormant in acidic environments, such as inside macrophages. It is also used in the treatment of multidrug-resistant TB (MDR-TB) as part of a combination regimen.
How Pyrazinamide works
Pyrazinamide is a prodrug that is converted into its active form, pyrazinoic acid, inside the mycobacterium. The active form disrupts the bacterial cell membrane and inhibits fatty acid synthesis, leading to bacterial death. It is most active at an acidic pH, which makes it effective against mycobacteria residing in the acidic environment of phagolysosomes within macrophages. This unique mechanism complements other TB drugs that work at neutral pH, ensuring comprehensive bacterial clearance.
Common side effects of Pyrazinamide
- Hepatotoxicity (liver damage) – the most serious side effect; symptoms include jaundice, dark urine, nausea, vomiting, and abdominal pain.
- Hyperuricemia (elevated uric acid levels) – can cause joint pain, gout-like symptoms, and kidney stones.
- Gastrointestinal disturbances – nausea, vomiting, loss of appetite.
- Skin rash, itching, or photosensitivity.
- Arthralgia (joint pain) – often due to hyperuricemia.
- Rarely, sideroblastic anemia or thrombocytopenia.
Expert advice for Pyrazinamide
- Always take Pyrazinamide exactly as prescribed by your doctor, usually once daily with food to reduce stomach upset.
- Do not stop or skip doses, as incomplete treatment can lead to drug resistance and treatment failure.
- Regular liver function tests (LFTs) and serum uric acid monitoring are recommended during therapy, especially in patients with pre-existing liver disease or gout.
- Avoid alcohol consumption while on Pyrazinamide, as it increases the risk of liver toxicity.
- If you experience symptoms like yellowing of skin/eyes, dark urine, severe abdominal pain, or joint swelling, contact your doctor immediately.
- Pyrazinamide is usually given for the first 2 months of TB treatment (intensive phase). The total duration of TB therapy is typically 6-9 months.
- Inform your doctor about all other medications you are taking, including over-the-counter drugs and supplements.
Jan Aushadhi price and availability
Pyrazinamide Tablets IP 1000mg are available at Jan Aushadhi Kendras across India at an affordable price. The MRP is price pending per strip of 10 tablets (as per the product listing), making it a cost-effective generic alternative to branded versions. The actual price may vary slightly by location. You can check availability at your nearest Jan Aushadhi Kendra or visit the official PMBJP website for a store locator. Always verify the composition and strength with your doctor or pharmacist before purchase.
Safety note
This information is for educational purposes only and does not replace professional medical advice. Pyrazinamide should only be used under the supervision of a qualified healthcare provider. Do not self-medicate or alter your TB treatment regimen without consulting your doctor. If you miss a dose, take it as soon as you remember, but skip it if it is almost time for the next dose. Never double the dose. Keep this medication out of reach of children and store at room temperature away from moisture and heat.