Who should not take cycloserine?

You cannot take cycloserine if you

have epilepsy,

suffer from depression,

have an anxiety disorder,

have a psychotic or psychiatric disorder,

have kidney disease, or

drink alcohol on a daily basis.

Cycloserine is in the FDA pregnancy category C. This means that it is not known whether cycloserine will harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant

Cycloserine passes into breast milk, and it is not known whether cycloserine will harm a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.