What do thyroid problems in men cause?

Same as others. We are not that special. Thyroid problem in men will cause the same symptoms as in women (minus the menstruation symptoms, of course). Hypothyroid: fatigue, hair loss, hoarse voice, slower speech, depressed, brittle nails, dry skin, feeling cold, constipation, weight gain...Hyperthyroid: nervousness, fast heartbeat, weight loss, feeling hot, trouble sleeping, tremot, pooping too much...