Salbutamol/Terbutaline

Beta 2 stimulant (agonist)

Pharmacological Actions

1. Respiratory –bronchodilatation (beta 2)
2. Uterus –relaxation (beta 2) in pregnancy

Therapeutic Uses

1. Bronchial asthma
2. Premature labour

Side Effects

With an increase in concentration, the selectivity is lost and beta 1 effects are seen, i.e. tachycardia, palpitations, anxiety, tremors

Route

Inhalation, parenteral or oral

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Sympathomimetics -Introduction

Adrenaline

Noradrenaline

Isoprenaline

Dopamine

Dobutamine

Ephedrine

Amphetamines

Phenyl Ephrine