Treatment and prophylaxis of bronchospasm associated with asthma, chronic bronchitis, and emphysema.
Adults: 200mg BD [max. 400mg BD]
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Mode of Action
Relaxes smooth muscles of bronchi, and pulmonary blood vessels. This is mediated through inhibition of phosphodiesterase. This, in turn, results in an increase in intracellular cAMP result-ing smooth muscle relaxation.