The dopamine receptor antagonist domperidone is also a competitive antagonist at alpha 1-adrenoceptors.
D000317:Adrenergic alpha-Antagonists; D000818:Animals; D001013:Aorta, Thoracic / Q000187:drug effects / Q000378:metabolism; D001562:Benzimidazoles / Q000494:pharmacology*; D004294:Domperidone; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D010880:Piperidines / Q000494:pharmacology*; D011954:Receptors, Dopamine / Q000187:drug effects*
D000317:Adrenergic alpha-Antagonists; D001562:Benzimidazoles; D010880:Piperidines; D011954:Receptors, Dopamine; D004294:Domperidone