CYCLOGEST (PROGESERONE) IS A PRESCRIPTION MEDICATION USED TO CAUSE MENSTRUAL PERIODS IN WOMEN WHO ARE PREMENOPAUSAL BUT HAVE STOPPED HAVING PERIODS DUE TO LOW PROGESTERONE LEVELS IN THEIR BODIES. IT IS ALSO USED TO PREVENT ABNORMAL THICKENING OF THE LINING OF THE UTERUS IN WOMEN TAKING ESTROGEN.

Some of the warning signs of serious side effects include:

• Changes in vision or speech
• Sudden new severe headaches
• Severe pains in your chest or legs with or without shortness of breath, weakness and fatigue
• Dizziness and faintness
• Vomiting