Plan B

Levonorgestrel

Utilized to address unplanned pregnancy following unprotected intercourse during the emergency window.

Active ingredient
Levonorgestrel
Supply
OTC
Route
Oral use
Form
Tablet
Strengths
1.5mg

Plan B details

Alternative names
Levonelle
Therapeutic class
Emergency Contraceptive
Pharmacological class
Progestogen
Contraindications
hypersensitivity to levonorgestrel
Minor side effects
nausea; fatigue; headache
Moderate side effects
lower abdominal pain; dizziness; breast tenderness
Serious side effects
ectopic pregnancy, requires immediate medical attention
Dosage forms
Tablet
Administration route
Oral use
Supply category
General sale, no prescription needed
Manufacturer
Teva
Onset Time
0–2 hours
Duration
24–72 hours
Storage instructions
Store at room temperature, protected from light and moisture.
Drug interactions
st. john's wort; rifampicin
Age restrictions
No age restriction, though counselling recommended for adolescents.
Precautions and warnings

does not provide protection against sexually transmitted infections; not a regular method of contraception; efficacy may be reduced in patients with high body mass index

Patient summary

utilized to address unplanned pregnancy following unprotected intercourse during the emergency window.

Mechanism of action

Levonorgestrel works primarily by preventing or delaying ovulation, making it difficult for the sperm to fertilise an egg. It does not disrupt an existing pregnancy.

Pregnancy and breastfeeding

Discuss with a healthcare provider if already pregnant. Not intended for regular use during breastfeeding.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Plan B

Plan B is a recognised brand of Levonorgestrel, used for emergency contraception to prevent pregnancy after unprotected sexual intercourse or birth control failure. The same active ingredient is also sold as Levonelle, supplied as a single 1.5mg tablet. This medication works best when taken as soon as possible.

Buying Plan B online

Plan B is registered across 13 markets, including the UAE, Singapore and Hong Kong, with availability also in Thailand, Malaysia and the Philippines. Generic Levonorgestrel, much of it made in India, is far more affordable than the original brand, providing an accessible option for expats and people far from a major pharmacy. Ordering online offers a reliable way to obtain this time-sensitive treatment across the region.