International Board of Certified Lactation Consultant (IBCLC) Practice Exam

Which type of medication is usually contraindicated for breastfeeding?

1. Antibiotic

2. Antidepressant

3. Chemotherapy

4. Diabetic therapy

The correct answer is: Chemotherapy

Chemotherapy agents are generally contraindicated for breastfeeding due to their potential effects on a nursing infant. Many chemotherapy drugs are cytotoxic and can affect rapidly dividing cells, which could pose a risk to the infant's developing tissues. These medications can be excreted in breast milk, leading to possible exposure for the breastfeeding child. Therefore, the administration of chemotherapy typically involves a recommendation to either avoid breastfeeding during treatment or to use alternative feeding methods. In contrast, many antibiotics, antidepressants, and diabetic therapies have been studied for their safety during breastfeeding, and while certain medications in these categories may also pose risks, they often have established guidelines for use that allow for safe breastfeeding with appropriate management. Overall, the nature of chemotherapy drugs tends to warrant a more definitive contraindication compared to the other classes of medication.