Hi Donna, You can read about Xanax here in the drugs database. the basic side effects listed are:   "Drowsiness, dizziness, headache, tiredness, clumsiness, decreased interest in sex, decreased appetite, nausea, constipation, or joint pain may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly." There are some serious side effects that are not likely, but can occur. If you should experience the following, seek medical advice immediately:   Tell your doctor immediately if any of these serious side effects occur: mental/mood changes confusion slurred speech or difficulty speaking difficulty remembering things An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash itching swelling severe dizziness trouble breathing Take care and stay in touch!Vicki M