Hypersensitivity. Erythrodermic, exfoliative & pustular psoriasis. Patients w/ known disorders of Ca metabolism. Viral skin lesions (eg, herpes or varicella), fungal or bacterial skin infections, parasitic infections, skin manifestations in relation to TB, perioral dermatitis, atrophic skin, striae atrophicae, fragility of skin veins, ichthyosis, acne vulgaris, acne rosacea, rosacea, ulcers & wounds.