Side effects that may occur while taking sertraline include anxiety; constipation; decreased sexual desire or ability; diarrhea; dizziness; drowsiness; dry mouth; increased sweating; loss of appetite; nausea; nervousness; stomach upset; tiredness; trouble sleeping; vomiting; or weight loss. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience bizarre behavior; black or bloody stools; chest pain; decreased bladder control; exaggerated reflexes; fast or irregular heartbeat; fever; hallucinations; loss of coordination; new or worsening agitation, panic attacks, aggressiveness, impulsiveness, irritability, hostility, exaggerated feeling of well-being, restlessness, or inability to sit still; persistent or severe ringing in the ears; persistent, painful erection; red, swollen, blistered, or peeling skin; seizures; severe or persistent anxiety or trouble sleeping; stomach pain; suicidal thoughts or attempts; tremor; unusual bruising or bleeding; unusual or severe mental or mood changes; vision changes; or worsening of depression.
Klonopin is in the same class of drugs as Xanax. Another drug that is indicated for anxiety and does not cause physical dependence is Buspar. Perhaps, you can discuss this option with your doctor.