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The pregnancy category of a medication is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. It does not include any risks conferred by pharmaceutical agents or their metabolites in breast milk. Every drug has specific information listed in its product literature.
Topical nicotinamide and topical zinc are safe, however, there are no FDA pregnancy category ratings. [27] [28] Topical salicylic acid and topical dapsone are classified as FDA pregnancy category C. [23] [28] Acne medications to avoid during pregnancy include oral isotretinoin and topical tazarotene as there have been reports of birth defects.
The FDA lists chloroxine in Pregnancy Category C (risk cannot be ruled out) because no pregnancy studies on the medication have been performed with animals or humans. For this reason, use of chloroxine oral or topical during pregnancy or when breast-feeding is not recommended. [4]
Exposure to fetal blood cells that can cause RhD alloimmunization can happen during normal pregnancy and delivery, miscarriage, amniocentesis, cordocentesis, chorionic villus sampling, external cephalic version, or trauma. [3] [8] 92% of women who develop an anti-D during pregnancy do so at or after 28 weeks gestation. [11] [9] [12]
Guaifenesin is considered pregnancy category C by the U.S. Food and Drug Administration. That classification means means there's no data on human fetuses and studies on animal fetuses showed ...
According to the FDA approved prescribing information, levofloxacin is pregnancy category C. [3] This designation indicates that animal reproduction studies have shown adverse effects on the fetus and there are no adequate and well-controlled studies in humans, but the potential benefit to the mother may in some cases outweigh the risk to the ...
The years-long effort to yank the drug's approval offers a case study of the agency's accelerated approval program, which green-lit Makena in 2011. Battle over pregnancy drug highlights risks of ...
Rifapentine has been assigned a pregnancy category C by the U.S. Food and Drug Administration (FDA). Rifapentine in pregnant women has not been studied, but animal reproduction studies have resulted in fetal harm and were teratogenic.