 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  and a severe form of premenstrual syndrome (premenstrual dysphoric disorder).This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. It may decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. It may also reduce the urge to perform repeated tasks (compulsions such as hand-washing, counting, and checking) that interfere with daily living. Sertraline is known as a selective serotonin reuptake inhibitor (SSRI). It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. How to use Zoloft Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start using sertraline and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth as directed by your doctor, usually once daily either in the morning or evening. The tablet or liquid form of this medication may be taken with or without food. The 25 milligrams, 50 milligrams, and 100 milligrams capsule is usually taken with food. The 150 milligrams and 200 milligrams capsule </s>