Common side effects of Zoloft include nausea, dizziness, drowsiness, dry mouth, loss of appetite, increased sweating, diarrhea, upset stomach and trouble sleeping, states WebMD. Serious but unlikely side effects include easy bruising or bleeding, decrease in sexual ability, muscle cramps or weakness, shaking and unusual weight loss.
Zoloft's generic name is sertraline, according to WebMD. It treats depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder and premenstrual dysphoric disorder. Zoloft is a selective serotonin reuptake inhibitor, or SSRI, and helps to restore the balance of serotonin in the brain to improve mood, sleep, appetite, energy level and interest in daily living.