Notice: Images are for illustration only and may not reflect the exact product you receive. Brand-name medications may look different depending on their country of origin—Canadian versions, for example, often include a "PR" symbol on the packaging. Rest assured, the medication, dosage, and active ingredients will be exactly as prescribed. Canada Pharmacy Store is committed to your health and safety, and we work only with licensed pharmacies to ensure you receive trusted, high-quality medication every time.
Rifampin (Generic)
| Rifadin Rifampin | ||||||
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Shipped from Canada | ||||||
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| Select product strength & quantity:
Who is the product for? YouOtherAdd Family Member/PetYou must be logged in to add additional members to the order. Don't have an account? or Add Family Member/PetSign inTo continue, please enter your email address and password that you use for your account. | ||||||
General Medication Fact Sheet for Rifampin
| Field | Information |
|---|---|
| Generic Name | Rifampin |
| Brand Name Versions | Rifadin, Rimactane |
| Boxed/Label Warning | Rifampin can cause hepatotoxicity (liver damage). Monitor liver function and avoid use in patients with pre-existing liver disease. |
| Purpose | Antibiotic used to treat tuberculosis (TB) and other bacterial infections |
| Mechanism of Action | Inhibits bacterial RNA polymerase, preventing RNA transcription |
| Dosage Forms | Oral capsules, intravenous injection |
| Available Strengths | 150 mg, 300 mg |
| Dosage Frequency | Typically once daily, or as directed by a healthcare provider |
| Common Side Effects | Orange discoloration of urine, sweat, tears, and other body fluids; nausea, vomiting, loss of appetite |
| Serious Side Effects | Liver problems (jaundice, abdominal pain), severe allergic reactions, kidney problems, blood disorders |
| Drug Interactions | Warfarin, oral contraceptives, certain HIV medications (protease inhibitors, NNRTIs), antifungals, digoxin |
| Important Notes | Take on an empty stomach (1 hour before or 2 hours after meals); inform your doctor if you have liver problems |
| Storage | Store at room temperature away from moisture and light |
| Missed Dose | Take as soon as you remember; if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose. |
| Alternatives | Isoniazid, Ethambutol, Pyrazinamide, Streptomycin |
Rifampin Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Isoniazid | Inhibits mycolic acid synthesis | First-line treatment for tuberculosis; often used in combination with other drugs. |
| Ethambutol | Inhibits arabinosyl transferase | Used in combination with other drugs to treat tuberculosis. |
| Pyrazinamide | Unknown; may disrupt membrane transport | Used in combination with other drugs to treat tuberculosis. |
| Streptomycin | Inhibits protein synthesis | Aminoglycoside antibiotic used to treat tuberculosis and other bacterial infections. |
Rifampin Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Orange discoloration of urine, sweat, tears | Liver problems (jaundice, abdominal pain) |
| Nausea | Severe allergic reactions (rash, itching, swelling, difficulty breathing) |
| Vomiting | Kidney problems |
| Loss of appetite | Blood disorders (low platelet count, anemia) |
| Headache | Flu-like symptoms |
Rifampin Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Tuberculosis | 10 mg/kg (up to 600 mg) | 10 mg/kg daily or 2-3 times per week | Take on an empty stomach. |
| Meningococcal carriage | 600 mg | 600 mg twice daily for 2 days | Administer as directed by a healthcare provider. |
| Other bacterial infections | Varies | Varies based on infection type and severity | Follow your doctor’s instructions. |
Rifampin Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $20 |
| Without Insurance (U.S.) | $125 |
| From CPS | $68 |
