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TRIMETHOPRIM SULPHATE

TRIMETHOPRIM SULPHATE

Trimethoprim-sulfamethoxazole (TMP-SMX) is a combination antibiotic medication consisting of trimethoprim and sulfamethoxazole. It works by inhibiting the production of folic acid in bacteria, thereby preventing their growth and multiplication.

Indications

Trimethoprim-sulfamethoxazole is commonly used to treat urinary tract infections, respiratory tract infections, gastrointestinal infections, and certain types of pneumonia caused by susceptible bacteria.


Dosage

The dosage of trimethoprim-sulfamethoxazole varies depending on the type and severity of the infection, as well as the patient's age and medical condition. It is usually taken orally, with or without food, as directed by a healthcare provider.


Contra-Indications

Trimethoprim-sulfamethoxazole is contraindicated in individuals with a history of hypersensitivity to sulfa drugs or any of the components in the medication. It should not be used in patients with severe liver or kidney disease, blood disorders such as porphyria, or folate deficiency. Pregnant women near term and nursing mothers should also avoid this medication.


Special Precautions

Patients taking trimethoprim-sulfamethoxazole should drink plenty of fluids to prevent crystalluria and maintain adequate hydration. It should be used with caution in individuals with a history of kidney disorders, asthma, or allergies. Long-term use of trimethoprim-sulfamethoxazole may increase the risk of developing antibiotic resistance.


Side Effects

Common side effects of trimethoprim-sulfamethoxazole include nausea, vomiting, diarrhea, headache, dizziness, and rash. Serious side effects may include severe allergic reactions, blood disorders, liver or kidney damage, and photosensitivity reactions. Patients experiencing any adverse effects should seek medical attention promptly.


Drug Interactions

Trimethoprim-sulfamethoxazole may interact with certain medications, including blood thinners, methotrexate, diuretics, and oral hypoglycemic agents. It is important to inform the healthcare provider about all medications, supplements, and herbal products being taken to avoid potential interactions.


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