Hexoprenaline is a selective β2 adrenergic receptor agonist used in the treatment of asthma.

[2] Hexoprenaline is also used in some countries (such as Russia and Switzerland) as a tocolytic agent (i.e., labor suppressant), with the most common trade name being Gynipral.

[3][4] It is not approved by the United States Food and Drug Administration.

When used as a tocolytic, hexoprenaline is contraindicated in: It should be used with caution in people with gestational diabetes.

When concomitantly administered: Hexoprenaline is contraindicated for use with monoamine oxidase inhibitors (MAOIs), tricyclic antidepressant (TCAs), ergot alkaloids, and dihydrotachysterol.