What are the contra-indications to using the progestin only pill?

Progestin Only pills should NOT be used by women who:⁴⁶

• Are breastfeeding and have given birth within the last  6 weeks
• Who are taking barbiturates, carbamazepine, oxcarbazepine, phenytoin, primidone, topiramate, rifampicin, rifabutin, or ritonavir or ritonavir- boosted protease inhibitors.

Progestin Only pills should NOT be used if a woman has any of the following medical conditions:

• Acute blood clot in deep veins of legs or lungs
• Breast cancer (past or present)
• Severe liver disease, infection, or tumor
• Systemic lupus erythematosus with positive (or unknown) antiphospho-lipid antibodies
• History of stroke (history of cerebrovascular accident)
• Ischemic heart disease