pregnancy categories Flashcards
Animal studies have shown adverse effects/there are no studies in pregnant women OR no studies in animals or pregnant women
Category C
Choose the category. Studies in pregnant women have demonstrated risk to fetus, however benefits may outweigh potential risks
Category D
Studies in pregnant women or animals have demonstrated positive evidence of fetal abnormalities or risks, contraindicated for use
Category X
Animal studies have revealed no evidence of harm/ there are no studies in pregnant women OR animal studies have shown adverse effects but no harm has been shown in pregnant women in any trimester
Category B
Studies in pregnant women have not shown an increase risk of fetal abnormalities in any trimester
Category A
Name 3 medications that are category A
Folic acid, vitamin B6, levothyroxine
Acetaminophen, prednisone, insulin, amoxicillin, cetiriZine, and loratidine are all what category?
Category B
Accurate, cytotec, and thalidomide are all what category?
X
Lithium, phenytoin, valproic acid, carbamazepine, tetracycline, ACEI, chemotherapy are what category?
D
Antidepressants, ciprodloxaxin, fluconizole, prochloperazine are which category?
C
When are NSAIDS harmful? (Category C)
Can’t be used late in pregnancy due to early closure of the ductus arteriosis
Sustiva- effirenz- (category D) is risk for which trimester? What teaching should you give?
First trimester. Avoid pregnancy for 12 weeks after discontinuation of drug
True or false. Pregnancy category B drugs are always safer than pregnancy category C drugs?
False
What elements should a prescriber consider when prescribing B, C, and D medications?
Available data, drug ability to cross placenta, and weight risk/benefit
Give an example when using a category D drug in pregnancy is necessary
Seizures-phenytoin, Xanax-panic disorder
