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Rifampin/Isoniazid
Rifampin
| Question | Answer |
|---|---|
| Rifampin T/P | T: Inhibits bacterial RNA synthesis P: Multidrug therapy for tuberculosis |
| Rifampin adverse | Hepatotoxic, GI upset, N/V/D, flu like reaction, red discoloration of excretions, severe PMC, AKI |
| Rifampin interactions | Strong enzyme inducer, can decrease effectiveness of many medications, oral contraceptives, warfarin, corticosteroids, methadone |
| What should be avoided in Rifampin | Alcohol, orange excretions are expected. |
| Isoniazid T/P | Antitubercular, mycolic acid inhibitor, part of multridrug therapy |
| Isoniazid adverse | Hepatotoxic, peripheral neuropathy, neurotoxicity, coordination, tremors, and seizures, optic neuritis, blurred vision, |
| Nursing considerations for isoniazid | Pyridoxine helps treat INH associated neuropathy. Take on an empty stomach, 1 hr before meals or 2 hours after. Complete entire regimen. |
| Isoniazid can interfere with | Metabolism of tyramine and histamine in aged cheeses, fish. Report flushing, swelling, and palpitations. |