Bronchodilator drug crystals, coloured scanning electron micrograph (SEM). These are crystals of the drug ventolin (salbutamol sulphate), a bronchodilator drug used to treat asthma. Asthma is a condition that causes narrowing of tiny airways in the lungs, which become inflamed and lead to attacks of wheezing and breathlessness. Salbutamol sulphate works by stimulating the beta 2 receptors in the lung, causing the muscles in the airways to relax and allowing the airways to open.
October 7th, 2018
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