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Question

Pharmacology Question on General Pharmacology

Cotrimoxazole is combination of trimethoprim with sulfamethoxazole. Which of the following statement is correct about cotrimoxazole ?

A

Most effective ratio of trimethoprim : sulfamethoxazole in plasma is 20: 1.

B

Trimethoprime: sulfamethoxazole are administered in a dose ratio of 5:1 to achieve optimal synergistic effect.

C

Cotrimoxazole is contraindicated during pregnancy.

D

Cotrimoxazole is ineffective in treating respiratory tract infections.

Answer

Cotrimoxazole is contraindicated during pregnancy.

Explanation

Solution

The correct option is (C): Cotrimoxazole is contraindicated during pregnancy.