Terbutaline: Chemical Structure, Mechanism of Action, Uses & Side Effects

Chemical Structure/Formula:

• C12H19NO3

Structure of Terbutaline

Mechanism of Action:

• Terbutaline is a selective beta-2 adrenergic receptor agonist, which leads to relaxation of bronchial smooth muscles.

• Its action is similar to that of salbutamol but may have a slightly longer duration of effect.

Uses:

• It's used in the management of asthma and COPD, as well as in obstetrics to delay premature labor (though this use is off-label in many countries).

Side Effects:

• Common side effects include tremors, nervousness, headache, tachycardia, and palpitations.

• With long-term use, it can potentially lead to decreased control of asthma symptoms.