What can possibly cause my body to be so sensitive to heat. can it be the lisinopril or metoprolol?

Heat intolerance: Neither Lisinopril nor metropolol are known to cause heat intolerance in any significant degree. Please look for other causes of your problem.

Heat intolerance: Do you mean that you perspire easily at rest or only with exercise? I doubt that your medication is to blame. Heat intolerance in men may be due to an overactive thyroid which also causes weight loss and shaky hands. Some people normally perspire excessively while exercising. A rare cause of heat intolerance is autonomic nervous system derangement. Metoprolol can make fingers and toes feel cold!

Depression: Seems like you are suffering from depression basing on your symptoms of fatigue, hopelessness and poor concentration. Consult your physician for therapy. Lisinopril and metoprolol doesn't increase heat sensitiveness. Hyperthyroidism could increase heat sensitivenss.