Excess thyroid hormone, which is called thyrotoxicosis (such as in cases of hyperthyroidism), is the most common cause. Other causes include: * Amphetamines along with other types of stimulant medications, such as appetite suppressants * Anticholinergics and other drugs that can impair sweating * Caffeine * Malignant hyperthermia susceptibility * Menopause * Multiple sclerosis * Fibromyalgia * Diabetes * Hypothalamic tumors * Methadone treatment * Dysautonomia * Postural orthostatic tachycardia syndrome (POTS) * Sensory defensiveness/sensory processing disorder * Serotonin Syndrome
Heat intolerance
Alarm fatigue
Thermophobia
Xerostomia
Heat cramps
Neurosis
Irritation
Picardy sweat