Moxisylyte, also known as thymoxamine, is a drug used in urology for the treatment of erectile dysfunction.British National Formulary 69, Chapter2.6.4, page 142 It is an α1-adrenergic antagonist. In the United Kingdom, Moxisylyte is marketed as Opilon (Archimedes Pharma UK Ltd) and is used for the short-term treatment of primary Raynaud's syndrome. This is a condition where the fingers and toes become discoloured and is triggered by responses to cold, or emotional distress. Opilon tablets help by improving blood circulation to the extremities.British National Formulary 70, page 205
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