FDA-approved label information
Reproduced from the FDA Structured Product Label via the openFDA API. Label version: April 23, 2025.
- Status
- Human Otc Drug
- Brand names
- PostDay One-Step
- Route
- Oral
- Drug class
- Progestin [EPC], Progestin-containing Intrauterine System [EPC]
Indications and usage
Use for women to reduce chance of pregnancy after unprotected sex (if a contraceptive failed or if you did not use birth control)
Warnings (older label format)
Warnings Allergy alert: Do not use if you have ever had an allergic reaction to levonorgestrel Sexually transmitted diseases (STDs) alert: This product does not protect against HIV/AIDS or other STDs Do not use • if you are already pregnant (because it will not work) • for regular birth control Ask a doctor or pharmacist before use if you are taking efavirenz (HIV medication) or rifampin (tuberculosis treatment) or medication for seizures (epilepsy). These medications may reduce the effectiveness of levonorgestrel. When using this product you may have • menstrual changes • tiredness • breast pain • nausea • headache • vomiting • lower stomach (abdominal) pain • dizziness Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. (1-800-222-1222)
Source: US Food and Drug Administration, via the openFDA API. The FDA does not review, endorse or verify third-party reproductions of this data, and label information may have been updated since it was retrieved.
Read the current full label on DailyMed
FDA approval applies to the uses listed on the label. Approval status in your country may differ.