PMS-Lithium Carbonate - Uses, Side Effects, Interactions - Drugs - Body & HealthTo find out about a drug, just type the name or DIN (drug identification number) into the search box or try our alphabetical listing below. It helps to control the symptoms of mania, which may include reduced need for sleep, poor judgment, hyperactivity, feelings of grandiosity, aggressiveness, and sometimes hostility. Lithium takes about one to three weeks before it has an effect on these symptoms. The contents of this site are for informational purposes only and are meant to be discussed with your physician or other qualified health care professional before being acted on. Never disregard any advice given to you by your doctor or other qualified health care professional. Always seek the advice of a physician or other licensed health care professional regarding any questions you have about your medical condition(s) and treatment(s). This site is not a substitute for medical advice.