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Levonorgestrel (Emergency Pill): uses, side effects & brands
Levonorgestrel emergency contraception is taken after unprotected sex, ideally within 72 hours. It belongs to the Hormonal & contraceptive medicine group. These provide contraception or hormone treatment for menopause and related conditions.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Hormonal & contraceptive medicine |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Emergency contraception after unprotected sex
- Used after contraceptive failure
- Reduces pregnancy risk if taken soon after sex
Common brand names
- India: i-Pill, Unwanted-72, Preventol
- Worldwide: Plan B, Levonelle
Common side effects
- Nausea
- Headache
- Irregular bleeding
- Tiredness
Before taking it — precautions
- Take as soon as possible after unprotected sex
- Some medicines can reduce effectiveness
- Not a regular contraceptive method
When to see a doctor urgently
- Severe lower tummy pain (urgent)
- Fainting or heavy bleeding (urgent)
- Allergic swelling (urgent)
Not a prescription — no dose shown. The right dose of levonorgestrel depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Does it cause abortion?
No. It works mainly by delaying ovulation.
Can it be used regularly?
It is not meant as a regular method; ask about ongoing contraception.
What if my period is late?
Take a pregnancy test if your period is delayed.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.