The table below lists the common receptors and gives examples of both agonists and antagonists. It is not comprehensive and is intended to give examples of each.
| Receptor | Agonist | Antagonist |
|---|---|---|
| Alpha | Alpha-1: Decongestants (e.g. phenylephrine/oxymetazoline) | |
| Alpha-2: Glaucoma (e.g. topical brimonidine) | Benign prostatic hyperplasia (e.g. tamsulosin) | |
| Hypertension (e.g. doxazosin) | ||
| Beta-1 | Inotropes (e.g. dobutamine) | Non-selective & selective beta-blockers (e.g. atenolol, bisoprolol) |
| Beta-2 | Bronchodilators (e.g. salbutamol) | Non-selective beta-blockers (e.g. propranolol, labetalol) |
| Dopamine | Parkinson's disease (e.g. ropinirole) | |
| Prolactinoma | Schizophrenia (antipsychotics e.g. haloperidol) | |
| Anti-emetics (e.g. metoclopramide/domperidone) | ||
| GABA | Benzodiazepines | |
| Baclofen | Flumazenil | |
| Histamine-1 | Antihistamines (e.g. loratadine) | |
| Histamine-2 | Antacids (e.g. ranitidine) | |
| Muscarinic | Glaucoma (e.g. pilocarpine) | Atropine (e.g. for bradycardia) |
| Bronchodilator (e.g. ipratropium bromide, tiotropium) | ||
| Urge incontinence (e.g. oxybutynin) | ||
| Nicotinic | Nicotine | |
| Varenicline (used for smoking cessation) | ||
| Depolarising muscle relaxant (e.g. suxamethonium) | Non-depolarising muscle relaxants (e.g. atracurium) | |
| Oxytocin | Inducing labour (e.g. Syntocinon) | Tocolysis (e.g. atosiban) |
| Serotonin | Triptans (for acute migraine, e.g. zolmitriptan) | Anti-emetics (e.g. ondansetron) |
Adrenargic
Dopaminergic
