Psoriasis Glossary: T
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This glossary defines commonly used Psoriasis terms, including products and medications used in the treatment of psoriasis and other skin conditions that co-exist with psoriasis such as acne, rosacea, eczema and dermatitis.
Tar treatment: treatment consisting of chemicals related to coal tar used topically to reduce the symptoms of itching.
T cell: a white blood cell of the immune system that participates in a number of immune responses.
Telangiectasis: (pronounced tell-an-jek-taze-yah) damaged or dilated facial blood vessels, often visible on the surface of the skin. A symptom of rosacea.
Temovate®: by Glaxo Welcome, (Clobetasol) a corticosteroid used to reduce itching, redness, and swelling associated with many skin conditions. Also sold under the brand name(s): Cormax®, Embeline™ E.
Tetracycline: an oral antibiotic. Also sold under the brand name(s): Panmycin®, Tetracyn®, Robitet®, Achromycin V®, Sumycin®
Tetracyn®: an oral antibiotic. Also sold under the brand name(s): Panmycin®, Tetracyline, Robitet®, Achromycin V®, Sumycin®
Tolerance: a state of immunologic unresponsiveness to a substance that would otherwise provoke an immune response.
Topical: designed for or involving local application on the surface of the body.
Topical immunomodulators (TIMS): a new class of drugs in development that show promise for the treatment of moderately severe eczema.
Topical Steroids: Topical steroids are generally used to treat the symptoms of eczema, a skin condition characterized by symptoms of itchy, red, scaly skin. They are also used in the treatment of other inflammatory skin conditions such as psoriasis and dermatitis. They don't cure the conditions but can ease the symptoms
Toxicodendron Dermatitis: allergic contact reaction to a plant such as poison ivy, or poison oak. Also known as Rhus Dermatitis.
Trethocanic Acid: A Beta Hydroxy Acid. This occurs in nature in sweet birch and in wintergreen leaves. Its effect on the epidermis and upper dermis are similar to those of Retin-A, but with less irritation. It is soluble in oil and can exfoliate oily skin areas, even within oil-rich pores.
Tretinoin: the generic name for Retin-A, a topical Vitamin A acid.
Trichloroacetic acid peel: a deep chemical peel consisting of a high concentration of trichloroacetic acid (TCA), which burns, when applied.
Tridesilon®: By Bayer, (Desonide) –a low to medium-potency topical anti-inflammatory corticosteroid; skin treatment which reduces irritation and itching on the affected areas of the skin. Also sold under the brand name(s): DesOwen® Topical; Desocort®
Trigger: a non-genetic, environmental factor that causes the onset or worsening of psoriasis. Injuries and infections are common triggers.
Tropic Acid Treatment often used in skin care products to accelerate skin cell turnover and help clear pores. It can penetrate more deeply than Alpha Hydroxy Acid and is gentler.
Topicort LP®: by Hoechst, (Desoximetasone), a high potency steroid used in the treatemnt of skin conditions.
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