Which medications are safe and which should you avoid while breastfeeding Check with your pediatric provider before taking ANY medication Usually Safe Acetaminophen Most non-steroidal anti-inflammatories (NSAID's) → Including ibuprofen  Codeine  Tetracycline Amoxicillin  Thyroid medications Lidocaine  Prednisone  Most anti-histamines Avoid Drugs like marijuana and cocaine Radioactive drugs (like radioactive iodine) Anti-cancer drugs Ergotamine (for migraines) … Continue reading Medications and breastfeeding