A delay in periods can force women to take period delay tablets. However, before doing this, you should be aware of the period delay tablets' side effects. While some women consume these tablets regularly and face no side effects, a majority of women experience them during the first month only. Discover the top medicines for delaying periods, expertly explained in simple and easy-to-understand terms. Make an informed decision with our helpful guide. Discover the uses and implications of period delay tablets, including common medications, how they work, and potential side effects. Period delay pills are an effective way to temporarily delay your period. They contain medications that mimic the effects of the hormone progesterone and stop the uterine lining from breaking down.