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Isoniazid has a boxed warning for severe and sometimes fatal hepatitis, which is age-dependent at a rate of 0.3% in people 21 to 35 years old and over 2% in those over age 50. [ 25 ] [ 37 ] Symptoms suggestive of liver toxicity include nausea, vomiting, abdominal pain, dark urine, right upper quadrant pain, and loss of appetite. [ 25 ]
Side effects are those of the underlying medications. [1] More common side effects include poor coordination, numbness, and liver problems. [2] Liver problems may be severe and are more likely in people over the age of 50. [2] Use is not recommended in children. [1] It is unclear if use in pregnancy is safe for the baby. [2]
It combines isoniazid, pyridoxine, sulfamethoxazole, and trimethoprim. [1] Specifically it is used to prevent tuberculosis, toxoplasmosis, pneumonia, malaria, and isosporiasis. [2] It is taken by mouth. [1] Side effects may include trouble concentrating, numbness, vomiting, and rash. [2] Serious side effects may include liver problems. [2]
The main result was a relative risk (RR) of 0.40 (95% confidence interval (CI) 0.31 to 0.52) for development of active tuberculosis over two years or longer for patients treated with INH, with no significant difference between treatment courses of six or 12 months (RR 0.44, 95% CI 0.27 to 0.73 for six months, and 0.38, 95% CI 0.28 to 0.50 for ...
Statins are generally recommended for adults between the ages of 40 and 75 who have heart disease risk factors. Despite having higher risks for cardiovascular disease, fewer older adults use statins.
It is a fixed dose combination of rifampicin, isoniazid, and pyrazinamide. [1] It is used either by itself or along with other antituberculosis medication. [1] It is taken by mouth. [1] Side effects are those of the underlying medications. [1] These may include poor coordination, loss of appetite, nausea, joint pain, feeling tired, and numbness ...
Multidrug-resistant tuberculosis (MDR-TB) is a form of tuberculosis (TB) infection caused by bacteria that are resistant to treatment with at least two of the most powerful first-line anti-TB medications (drugs): isoniazid and rifampicin.
The old dose for pyrazinamide was 40–70 mg/kg daily and the incidence of drug-induced hepatitis has fallen significantly since the recommended dose has been reduced to 12–30 mg/kg daily. In the standard four-drug regimen (isoniazid, rifampicin, pyrazinamide, ethambutol), pyrazinamide is the most common cause of drug-induced hepatitis. [13]