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Skin Problems & Treatments Health Center

Medical Reference Related to Skin Problems & Treatments

  1. Onycholysis

    Onycholysis (drug-induced). This word means separation (-lysis) of nails (onycho-) from nail beds. There are many causes for such a development. The commonest are mechanical. Nails worn long are frequently lifted by being snagged. Excessive soaping and soaking in heavy housework promote separation. The illustration here is of another cause, namely, an idiopathic response by photosensitivity in a patient who had been taking demethylchlortetracycline. Doxycycline also does this.

  2. Milia

    Milia. A milium is a white papule, 1–2 mm in size, composed of laminated, keratinous material and situated as a solid cyst in a pilosebaceous follicle. Milia are fairly common on the brow, glabella, and nose in newborn infants and in such infants tend to disappear quickly and spontaneously. There may be few or many, and they may develop later in infancy, in childhood, and in adolescence. In older children and adolescents, they tend to macules may be sparse or numerous and resolve without residua over a period of several weeks to several months.

  3. Photoallergic Reaction

    Photoallergic reaction. Erythema and edema with sunlight exposure in a patient sensitized to oral sulfonamides.

  4. Phototoxic Drug Reaction

    Phototoxic drug reaction. Intense sun sensitivity induced by tetracycline in a young girl who subsequently went to a tanning booth despite precaution.

  5. Nevus Spilus

    Nevus spilus. Large tan macule dotted with numerous superimposed small dark nevi.

  6. Palmoplantar Pustulosis on Feet

    Palmoplantar pustulosis, palms and soles. The soles of the same individual with similar deep-seated pustular lesions.

  7. Neurofibromatosis

    Neurofibromatosis, cafe au lait macule. Well-demarcated uniform brown macule on the buttock of a patient with neurofibromatosis.

  8. Melasma ('Pregnancy Mask') on Forehead

    An example of hyperpigmentation is melasma (also known as chloasma). This condition is characterized by tan or brown patches, most commonly on the face.

  9. Drugs That Can Trigger Psoriasis Flares

    A look at medicines that can make your psoriasis worse, and alternate treatments you can try instead.

  10. Biologic Treatments for Psoriasis

    The past decade has seen some promising advances in the treatment of psoriasis, specifically the use of biologic drugs. Learn more about how biologics work and how they are given.

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