Dryness of skin & lips, epistaxis, hoarseness, conjunctivitis; pruritus, facial erythema, dermatitis, sweating, pyogenic granuloma, nail dystrophy, persistent hair thinning, reversible alopecia, hyperpigmentation, photosensitivity; muscle & joint pain, hyperostosis & other bone changes; depression, headache, increased ICP, seizures; visual disturbances, decreased night vision, photophobia; nausea, inflammatory bowel disease; corneal opacities. Rarely, bronchospasm.