Chlorzoxazone Pregnancy and Breastfeeding Warnings

Brand names: Eze DS, Lorzone, Paraflex, Parafon Forte DSC, Relaxazone, Remular, Remular-S, Strifon Fort

Medically reviewed by Drugs.com. Last updated on Jul 24, 2023.

Chlorzoxazone Pregnancy Warnings

Benefit should outweigh risk

US FDA pregnancy category: Not formally assigned to a pregnancy category

Risk Summary: The safety of this drug has not been determined with respect to the possible adverse effects upon fetal development.

There are no controlled data in human pregnancy.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D, and X are being phased out.

See references

Chlorzoxazone Breastfeeding Warnings

Benefit should outweigh risk

Excreted into human milk: Data not available
Excreted into animal milk: Data not available

Comments:
-There are no data on the effects of this drug on the breastfed infant or its effects on milk production.
-The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for this drug and any potential adverse effects to the breastfed infant from the drug or from the underlying maternal condition.

See references

Further information

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