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Orciprenaline Sulphate . Form : A white crystalline powder MW : 2(C 11 H 17 NO 3 ) . H 2 SO 4 = 520.29 Melting point : about 205°C When treating asthma it is given by mouth in a dose of 20mg four times daily .
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Orciprenaline Sulphate Form: A white crystalline powder MW: 2(C11H17NO3).H2SO4 = 520.29 Melting point: about 205°C When treating asthma it is given by mouth in a dose of 20mg four times daily. Orciprenaline sulphate also comes in the form of an inhaler or in severe cases of bronchiospasm it can be administered directly as an intramuscular injection. Orciprenalinesuphate, being only partially selective, affects receptors elsewhere in the body and can cause many undesirable side-effects such as arrhythmias, tachycardias and anxiety attacks. A Public Assessment report published by the MHRA (Medicines and Healthcare products Regulatory Agency) in November 2009 decided that orciprenalinesulphate (Alupent®) should no longer be used in the treatment of asthma. The MHRA is currently working with the manufacturer to carry out a voluntary withdrawal of Alupent® over the next year.