Beta-2 Agonists

turlough's version from 2017-10-30 00:41


Question Answer
Brand name of SalbutamolVentolin
3 formulations of Salbutamol 1) Metered-dose inhaler. 2) Breath-Actuated Inhaler (Easi-Breathe) 3) Diskus 4) Nebules 5) Oral Solution
A particular product contains a combination of salbutamol and another drug. Name the product and the other drug. Ipramol. Ipratropium.
4 indications for salbutamol1) Treatment of an acute asthma attack. 2) Treatment of bronchospasm in asthma. 3) Prevention of exercise-induced asthma. 4) Treatment of bronchospasm in COPD.
Mechanism of salbutamol Salbutamol acts on beta-2 adrenergic receptors in the airways and causes bronchial smooth muscle to relax such that the airways open up.
3 common side effects of salbutamol Headache, tremor and tachycardia.
Possible electrolyte disturbance associated with salbutamol Hypokalaemia
5 possible interactions with salbutamol 1) Non-selective beta-blockers (e.g. propranolol). 2) Sympathomimetics. 3) Digoxin. 4) Non-potassium sparing diuretics. 5) TCAs and MAOIs
Explain the possible interaction between salbutamol and digoxin Salbutamol may cause hypokalaemia and this increases the risk of digoxin toxicity.

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