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Betamethasone is a potent glucocorticoid steroid with anti-inflammatory and immunosuppressive properties. Unlike other drugs with these effects, betamethasone does not cause water retention. It is applied as a topical cream, ointment, foam, lotion or gel to treat itching. Betamethasone sodium phosphate is sometimes prescribed as an intramuscular injection (I.M) for itching from various ailments, including allergic reactions to poison ivy and similar plants. It is on the World Health Organization's List of Essential Medicines, a list of the most important medication needed in a basic health system. == Medical uses == Betamethasone is a corticosteroid used as a topical cream to relieve skin irritation, such as itching and flaking from eczema. It is used as a treatment for local psoriasis, as betamethasone dipropionate and salicylic acid, or as the combination betamethasone/calcipotriol. Betamethasone sodium phosphate is used orally and via injection with the same indications as other steroids. Many betamethasone-based pharmaceuticals, include the steroid as the valerate ester. In a randomized controlled trial Betamethasone was shown to reduce some of the ataxia symptoms associated with Ataxia Telangiectasia (A-T) by 28-31%. Alternative medical approach for large microcystic CCAMs – Betamethasone therapy Betamethasone is also used prior to delivery of a preterm baby to help prepare the lung for breathing. Betamethasone is also used to treat phimosis (tight foreskin) in uncircumcised boys. 〔http://www.ncbi.nlm.nih.gov/pubmed/8976781〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「betamethasone」の詳細全文を読む スポンサード リンク
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