Why Do Beta 2 Agonists Cause Tachycardia

It is this unwanted binding to receptors at other sites that causes side-effects. Stimulation of sympathetic receptors in the heart can cause tachycardia or arrhythmia, and stimulation of receptors in skeletal muscle can result in tremor.

Why does salbutamol cause tachycardia?

Salbutamol-induced tachycardia is due to the direct stimulation of cardiac β2-adrenoceptors [13] as well as indirect activation of peripheral receptors [14], inducing vasodilatation and consequent reflex vagal withdrawal.

What is main effects of beta 2 agonists?

The main side effects of beta-2 agonists like salbutamol include: trembling, particularly in the hands. nervous tension. headaches.