Diabetics, patients prone to recurrent renal calculi, those undergoing stool occult blood tests, and those on sodium restricted diets or anticoagulant therapy should not take excessive doses of ascorbic acid over an extended period of time.

General

Too-rapid intravenous injection is to be avoided.

Laboratory Tests

Diabetics taking more than 500 mg of ascorbic acid daily, may obtain false readings of their urinary glucose test. No exogenous ascorbic acid should be ingested for 48 to 72 hours before amine dependent stool occult blood tests are conducted because possible false-negative results may occur.

Drug Interactions

Limited evidence suggests that ascorbic acid may influence the intensity and duration of action of bishydroxycoumarin.

Usage In Pregnancy

Pregnancy Category C - Animal reproduction studies have not been conducted with Ascorbic Acid Injection. It is also not known whether Ascorbic Acid Injection can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Ascorbic Acid Injection should be given to a pregnant woman only if clearly needed.

Nursing Mothers

Caution should be exercised when Ascorbic Acid Injection is administered to a nursing woman.

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