Hypothyroidism vs Hyperthyroidism

Presentation

Symptoms/Physical Exam
HypothyroidismHyperthyroidism
Cold intolerance (↓ heat production)Heat intolerance (↑ heat production)
Weight gain↓ appetiteWeight loss↑ appetite
HypoactivitylLethargyFatigueWeaknessHyperactivity
ConstipationDiarrhea
↓ reflexes↑ reflexes
BradycardiaTachycardia, palpitations, arrhythmias 
Dry, cool skinCoarse, brittle hairWarm, moist skinFine hair
Diastolic hypertension (Na/H
2O retention)
Systolic hypertension
Myxedema (facial/periorbital)Osteoporosis

Treatment

Treatment
HypothyroidismHyperthyroidism
LevothyroxineThionamidesAblative 131I therapy