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Trimethoprim Oral Solution and Renal dysfunction

Result of checking the interaction of drug Trimethoprim Oral Solution and disease Renal dysfunction for safety when used together.

Check result:

Trimethoprim Oral Solution <> Renal dysfunction

Relevance: 23.07.2019 Reviewer: Shkutko P.M., M.D., in

When checking interaction based on authoritative sources Drugs.com, Rxlist.com, Webmd.com, Medscape.com there are contraindications or side effects that may cause harm or increase the negative effect from drug use in presence of concomitant diseases.

Consumer:

Trimethoprim is primarily eliminated by the kidney. The serum concentration of trimethoprim may be increased and the half-life prolonged in patients with impaired renal function. Dosage adjustments may be necessary and modifications should be based on the degree of renal impairment as well as severity of infection. The manufacturers recommend a dosage of 50 mg every 12 hours in patients with creatinine clearance between 15 to 30 mL/min and not using the drug in patients with creatinine clearance below 15 mL/min.

References:

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Bergan T, Brodwall EK "Kidney transport in man of sulfamethoxazole and trimethoprim." Chemotherapy 17 (1972): 320-33
Rieder J, Schwartz DE, Fernex M, et al "Pharmacokinetics of the antibacterial combination sulfamethoxazole plus trimethoprim in patients with normal or impaired kidney function." Antibiot Chemother 18 (1974): 148-98