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How to take Cerazette: Tablets must be taken in the order directed on the package every day at about the same time with some liquid as needed. One tablet is to be taken daily for 28 consecutive days. Each subsequent pack is started immediately after finishing the previous pack.
How to start Cerazette: No preceding hormonal contraceptive use [in the past month]: Tablet-taking has to start on day 1 of the woman's natural cycle (day 1 is the first day of her menstrual bleeding). Starting on days 2-5 is allowed, but during the first cycle a barrier method is recommended for the first 7 days of tablet-taking.
Changing from a combined hormonal contraceptive (combined oral contraceptive (COC), vaginal ring, or transdermal patch): The woman should start with Cerazette preferably on the day after the last active tablet (the last tablet containing the active substances), or on the day of removal of her vaginal ring or patch. In these cases, the use of an additional contraceptive is not necessary.
The woman may also start at the latest on the day following the usual tablet-free, patch-free, ring-free, or placebo tablet interval of her previous combined hormonal contraceptive, but during the first 7 days of tablet-taking an additional barrier method is recommended.
Changing from a progestogen-only-method (minipill, injection, implant or from a progestogen-releasing intrauterine system [IUS]): The woman may switch any day from the minipill (from an implant or the IUS on the day of its removal, from an injectable when the next injection would be due); an additional contraceptive method is not necessary.
Following first-trimester abortion: After first-trimester abortion it is recommended to start immediately; an additional contraceptive method is not necessary.
Following delivery or second-trimester abortion: For breast-feeding women see Use in Pregnancy & Lactation.
The woman should be advised to start at day 21 to 28 after delivery or second-trimester abortion. When starting later, she should be advised to additionally use a barrier method for the first 7 days of tablet-taking. However, if intercourse has already occurred, pregnancy should be excluded before the actual start of Cerazette use or the woman has to wait for her first menstrual period.
Management of missed tablets: Contraceptive protection may be reduced if more than 36 hours have elapsed between two tablets. If the user is less than 12 hours late in taking any tablet, the missed tablet should be taken as soon as it is remembered and the next tablet should be taken at the usual time. If she is more than 12 hours late, she should follow the same advice but also use an additional method of contraception for the next 7 days. If tablets were missed in the very first week of use and intercourse took place in the week before the tablets were missed, the possibility of a pregnancy should be considered.
Advice in case of gastro-intestinal disturbances: In case of severe gastro-intestinal disturbance, absorption may not be complete and additional contraceptive measures should be taken.
If vomiting occurs within 3-4 hours after tablet-taking, absorption may not be complete. In such an event, the advice concerning missed tablets, as given in previously mentioned Management of missed tablets is applicable.
