The efficacy of hydroxyzine as an anti-anxiety agent in long-term use (i.e., more than 4 months) has not been established. Periodically reassess the clinical response of the individual patient. Geriatric Adults. 50 to 100 mg PO 4 times daily as needed is the usual adult dose, adjusted to patient response.
Thyroxine affects the regulation of your bodyâs metabolism. An excess of this hormone can cause your bodyâs metabolism to increase, which leads to a rising body temperature. Gravesâ disease is the most common cause of hyperthyroidism. Gravesâ disease is an autoimmune disorder.
1 Alcohol, drugs and spicy foods â Consumption of any of these can cause night sweats. Some recreational and prescription drugs can both potentially cause night sweats.  Hot and humid environment â Sleeping in a hot room or with blankets that are too warm can cause overheating, resulting in night sweats.