All of the following are recognized adverse effects of isoniazid EXCEPT

Question

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Decreased phenytoin metabolism   increased phenytoin blood levels / toxicity

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Hepatitis

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Peripheral neuropathy

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Retrobulbar neuritis

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CNS toxicity

1.	All of the following are recognized adverse effects of isoniazid EXCEPT
A.	Hepatitis
B.	Peripheral neuropathy
C.	Retrobulbar neuritis
D.	Decreased phenytoin metabolism increased phenytoin blood levels / toxicity
E.	CNS toxicity
Answer» D. Decreased phenytoin metabolism increased phenytoin blood levels / toxicity

Discussion