Hydroxyzine (/haÉªËdrÉksáµ»ziËn/) is a first-generation antihistamine of the diphenylmethane and piperazine class. It was first synthesized by Union Chimique Belge in 1956 and was marketed by Pfizer in the United States later the same year, and is still in widespread use today.
One common cause of muscle aches and pain is fibromyalgia, a condition that causes tenderness in your muscles and surrounding soft tissue, sleep difficulties, fatigue, and headaches. The most common causes of muscle aches and pains are: Injury or trauma, including sprains and strains.
Behaving apprehensively too often can overly stress the body and make it feel exhausted, such as with chronic fatigue. If youâve been under a lot of stress lately, that stress can also make your body feel chronically fatigued, exhausted, and tired all the time. Stress is a common cause of chronic fatigue. Many people misinterpret anxiety and stress caused chronic fatigue for Chronic Fatigue Syndrome.