Tizanidine Pregnancy and Breastfeeding Warnings

Tizanidine is also known as: Zanaflex

Tizanidine Pregnancy Warnings

FDA pregnancy category: C Potential benefit should outweigh potential risk.

Animal studies have shown evidence of increased gestation duration, increased pup loss, and developmental retardation. There are no controlled data in human pregnancy. FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Tizanidine Breastfeeding Warnings

The manufacturer makes no recommendation regarding use during lactation. Excreted into human milk: Unknown (as a lipid soluble drug, it might be expected to pass into breast milk) Excreted into animal milk: Unknown The effects in the nursing infant are unknown.

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