Contraceptives

ESCAPELLE
Indications: Emergency postcoital
Dosage: 1 tab not later than 72 hours after unprotected intercourse
Adverse Reactions: Nausea, fatigue, lower abdominal pain, headache, dizziness, breast tenderness, diarrhoea, vomiting, bleeding disturbances

MADONNA
I: Postcoital contraceptive
D: 1 tab immediately or at least within 1 hours after sexual intercourse. If a second intercourse follows after more than 3 hours, take the second tab postcoitally
AR: Nausea, vomiting, breakthrough bleeding

POSTINOR-2
I: Postcoital contraception(emergency contraception)
D: 1 tab to be taken within 72 hours following intercourse and another one 12 hours after taking the first tab. If vomiting occurs within 2 hours after drug intake, the dose must be repeated. It is advisable to take the first tab within 48 hours
AR: Nausea, vomiting, breakthrough or withdrawal bleeding,breast tenderness, headache, dizziness, fatigue

当然这只是避孕药的一部分
这三种都是事后避孕药
大多数都是口服避孕药（长期的）
或者是以注射的方式来避孕

当然这些资料还不够详细
最好还是咨询药剂师
就比如说：
你在服用ampicillin等药物时，ampicillin等药物会影响postinor-2的药效

好啦！
有没有学到新的东西呢？