Class: Desiccated thyroid Action: natural thyroid medication Indication: Hypothyroidism Therapeutic Usage: PO:30-120mg/day Orally Interaction: Phenytoin and fosphenytoin, antacids, calcium salts, iron, estrogen, Warfarin: increase warfarin effect Action: It may enhance the activity of oral anticoagulants Adverse Effects: Usually the result of overdose Cardiovascular, Tachycardia, palpations, angina, Dysthymias (w/ risk for life threatening), Hypertension Central nervous: Insomnia, tremors, headache, anxiety GI: Nausea, diarrhea, cramps Other: Menstrual irregularities, weight loss, sweating, heat intolerance, fever