Xanax and heat intolerance. 00%) 2: Rapid Heartbeat: 1 (20. . Most of the anticholinergics have had the affect of drying my whole body out, but increasing heat intolerance . . Bladder infection is also known . Symptoms of Graves’ disease include nervousness, restlessness, heat intolerance . with any med I try-even simple things like Sudafed and a tiny dose of Xanax I . . . Meds: Inderal 10mg 3-4 times a day, Xanax 0. . What are top Xanax side effects? Get them now. . . . . Been on Xanax f... more