Hypersensitivity. Disorders of Ca metabolism. Viral (eg, herpes or varicella) skin lesions, 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, perianal & genital pruritus; erythrodermic, exfoliative & pustular psoriasis.