Ipratropium bromide acts on which receptors and its use is?
Ipra and tiotropium bromide are m3 receptor blockers more selective for bronchial muscle causing bronchial dilatation, so used in bronchial asthma and COPD M3 receptors are present on bronchial smooth muscle Ref: KDT 6th ed pg 113
M2 bronchial asthma
M1 Peptic ulcer
M3 COPD
Nm Asthma
Autonomic nervous system