Metformin (
FDA pregnancy category B) is not recommended as first line treatment of cutaneous manifestations, for prevention of pregnancy complications, or for the treatment of obesity.
(11) As it is
FDA pregnancy category X, associated with substantial teratogenicity, and can convert to a form with a prolonged half-life, (1,4) its use should avoided in women of childbearing age whenever possible.
"They are closely related medications [that] interfere with DNA synthesis and both are classified as
FDA pregnancy category D," he said.
(3) Of the drugs that did mention "pregnancy," less than half were classified in accordance with
FDA pregnancy category ratings.
Veregen Ointment 15% has not been tested in immunosuppressed patients or in nursing mothers and is an
FDA pregnancy category C drug, Dr.
Efavirenz reclassified as
FDA pregnancy category D.
Although both Tdap and Td are
FDA pregnancy category C, the vaccines are not considered to be contraindicated in pregnancy.
Other useful features include a Poison Control directory, Drug Information Center directory, Pharmaceutical Manufacturer directory, table of drugs by
FDA Pregnancy Category, and a summary of new entities approved in 1994.
All formulations of acyclovir are assigned
FDA pregnancy category C status, which indicates that safety in human pregnancies has not been determined; therefore, the drug should not be used during pregnancy unless the potential benefit justifies the potential risk to the fetus.
Its use should be avoided in pregnant women whenever possible as it is
FDA pregnancy category X, associated with substantial teratogenicity, and can convert to a form with a prolonged half-life
