Facts you should know about postherpetic neuralgia (PHN) PHN is a painful complication that occurs after a shingles infection. PHN is caused by viral damage to nerve cells. PHN is diagnosed by the patient's history and physical exam. Treatment often requires more than one agent to reduce pain. PHN may last one to two months, …
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What is collagenase clostridium histolyticum, and what is it used for? Xiaflex is an injectable formulation of purified collagenase derived from the bacterium, clostridium histolyticum. It is used for treating Dupuytren’s contracture. A Dupuytren’s contraction is caused by an abnormal accumulation of collagen (scar) in the tissue beneath the skin of the palm of the hand. The collagen binds the …
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What are topical corticosteroids? Corticosteroid hormones are naturally occurring hormones produced by the adrenal glands within the body. Topical corticosteroids are synthetic (man-made) corticosteroid medications used for treating skin conditions such as rash, dermatitis, itching, eczema, and psoriasis. Topical corticosteroids have potent anti-inflammatory actions and also suppress the immune response. Topical corticosteroids are used based on their potency, the area …
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Sun-sensitizing drugs (photosensitivity) definition and facts Many common medications cause photosensitivity in some people when exposed to sunlight. Sun-sensitive or photosensitive drugs are drugs that cause a moderate to severe skin reaction that is similar to a bad sunburn when exposed to the sun (UV rays), usually the forehead, nose, hands, arms, and lips. Many common medications cause this reaction …
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Sunburn and sun poisoning definition and facts Readers Comments 5 Share Your Story Picture of acute sunburn Sunburn is an inflammation of the skin caused by overexposure to UV radiation from the sun. UV radiation damages the skin the eyes. Immediate symptoms of a sunburn are hot, red, tender skin; pain when the skin is touched or rubbed; and dehydration. …
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What is erythromycin and benzoyl peroxide, and how does it work (mechanism of action)? Benzamycin is a combination of erythromycin and benzoyl peroxide and is used for the topical treatment of acne (pimples). Erythromycin is an antibiotic. The exact mechanism by which topical erythromycin reduces pimples is unknown. Erythromycin probably reduces pimples by penetrating into the skin and killing bacteria …
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What is adapalene, and how does it work (mechanism of action)? Adapalene is a gel used for the treatment of acne vulgaris (pimples). The exact mechanism of action is not known. Scientists believe that when adapalene is applied to the skin, it affects the growth of skin cells and thereby reduces the formation of pimples. What brand names are available …
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What is methoxsalen? What is methoxsalen used for? Methoxsalen is a naturally occurring photoactive chemical found in the seeds of the Ammi majus (Umbelliferae) plant and in the roots of Heraclem candicans. It belongs to a group of compounds known as psoralens, or furocoumarins. Methoxsalen lotion is used for treating vitiligo (leucoderma). The exact mechanism of action of methoxsalen is …
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What is topical desoximetasone, and how does it work (mechanism of action)? Desoximetasone is a synthetic (man-made) corticosteroid that is used on the skin (topically). The naturally occurring corticosteroid is cortisol or hydrocortisone produced by the adrenal gland. Corticosteroids have potent anti-inflammatory actions and also suppress the immune response. The FDA approved desoximetasone in March 1982. What brand names are …
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What is Soriatane (acitretin)? Acitretin is an oral medication used to treat psoriasis. What are the uses for Soriatane (acitretin)? Acitretin is used for treating severe psoriasis in adults. Acitretin should be prescribed only by doctors who have experience in the systemic use of retinoids because it has serious side effects. Is Soriatane (acitretin) available as a generic drug? Yes …
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