Nausea, vertigo, fine hand tremor, polyuria, muscle weakness, somnolence & lethargy, diarrhea, hyperparathyroidism w/ hypercalcaemia, leukocytosis, wt gain, edema, cardiac arrhythmias, exacerbation of skin conditions, impaired renal function, mild cognitive & memory impairment, hypothyroidism &/or goiter.