Follow your doctors instructions and use Cyclogest 400mg Pessaries as prescribed Do not exceed or decrease the recommended dosage and avoid using it for a longer duration than advised Depending on your situation you may need to continue using this medication even after confirming your pregnancy The common side effects of Cyclogest may include headaches fatigue hot flashes stomach cramps and constipation You may also experience bloating decreased sexual interest and vaginal pain or discharge Although rare some individuals may have a severe allergic reaction requiring immediate medical attention It is important to note that Cyclogest may not be suitable for everyone Inform your doctor if you have or had breast cancer abnormal vaginal bleeding or liver disease If you have liver kidney or heart issues diabetes or asthma you may require closer monitoring To ensure your safety provide your complete medical history to your doctor Additionally inform your doctor about all other medications you are taking as they may interact with Cyclogest During the course of treatment you may need multiple tests to monitor your uterus It is advisable to avoid using any other vaginal products or creams while using Cyclogest