Levonorgestrel tablets are commonly used as an emergency contraceptive pill, when taken orally. Levonorgestrel tablets, as a progesterone preparation, can be used as emergency contraception for women. Levonorgestrel tablets can be taken orally as emergency contraception if a woman has unprotected sex or if other contraceptive methods have failed. Women can use levonorgestrel tablets occasionally and should be advised not to use levonorgestrel tablets as a regular contraceptive. Levonorgestrel tablets are contraindicated in women who are allergic to levonorgestrel tablets or its ingredients. The use of levonorgestrel tablets may cause dizziness, vomiting, abnormal uterine bleeding and other adverse reactions, should be careful to use under medical supervision.