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Bactrim DS contains 800 mg sulfamethoxazole and 160 mg trimethoprim. The DS signifies double strength compared to the regular strength (400 mg/80 mg). Both sulfamethoxazole and trimethoprim are antibiotics. The brand Septra also contains these ingredients. The U.S. Food and Drug Administration has approved Bactrim DS for two respiratory indications: acute exacerbation of chronic bronchitis in adults due to susceptible strains of bacteria, and prevention of pneumonia caused by Pneumocystis carinii in immuno-suppressed patients.
Haemophilus influenzae type b (Hib) is a bacterium that causes invasive diseases, including pneumonia, epiglottitis, meningitis, and brain infections in young children.
