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Autonomic NS Drugs
Generic name, uses/indications, and main site/mode of action
| Name (generic) | Uses/Indications | Site or Mode of Action |
|---|---|---|
| Phenylephrine | severe hypotension, decongestant, mydriasis | α-1 agonist |
| oxymetazoline | decongestant | α-1 agonist |
| Clonidine | hypertension, migraine, ADHD, glaucoma | α-2 agonist |
| Dobutamine | heart failure -pressor and ionotrophic support | β-1 agonist |
| Salbutamol | asthma, premature labor | β-2 agonist |
| terbutaline | asthma | β-2 agonist |
| salmeterol | asthma, not for acute bronchspasm | β-2 agonist |
| Adrenaline (Epinephrine) | anaphylaxis, cardiac resuscitation, given with local anesthetics | α/β agonist |
| Isoprenaline | asthma, cardiac resuscitation | β agonist |
| Prazosin | hypertension | α-1 antagonist |
| doxazocin | hypertension, benign prostatic hypertrophy | α-1 antagonist |
| Yohimbine | No clinical use, supposedly an aphrodisiac | α-2 antagonist |
| Atenolol | hypertension | β-1 antagonist |
| metoprolol | hypertension, compensated heart failure | β-1 antagonist |
| Labetalol | hypertension in pregnancy | α/β antagonist |
| propranolol | hypertension, angina, dysrhythmias, migraine | β antagonist |
| Amphetamine | Appetite suppressant, ADHD, narcolepsy | ↑NA, ↓uptake 1. MAOI, CNS stimulant |
| Ephedrine | Decongestant | ↑NA |
| α-Methyl-p-tyrosine | Occasionally in pheochromocytoma | Inhibits tyrosine hydroxylase |
| Carbidopa | Parkinsons – in conjunction with leva-DOPA to ↓peripheral effects | Inhibits DOPA-decarboxylase |
| Methyldopa | Hypertension in pregnancy | False transmitter precursor |
| Reserpine | Essential hypertension, schizophrenia | Depletes NA stores by inhibiting vesicular uptake of NA |
| Imipramine | Depression | Blocks uptake 1 |
| Cocaine | Local anesthetic (rarely) | Blocks uptake 1, local anesthetic, CNS stimulant |
| Atropine | Reduces gastrointestinal motility, Adjunct for anaesthesia (reduced secretions, bronchodilatation), Anticholinesterase poisoning, Bradycardia, inhibition of SLUD | non-selective muscarinic antagonist |
| Hyoscine | Motion sickness | non-selective muscarinic antagonist |
| Ipratropium | Bronchodilator | non-selective muscarinic antagonist |
| Cyclopentolate | Ophthalmic use to produce mydriasis and cycloplegia (as eye drops) (Long acting) | M4 antagonist |
| Tropicamide | Ophthalmic use to produce mydriasis and cycloplegia (as eye drops)(Short acting) | M4 antagonist |
| Pirenzipine | Reduces gastric acid secretion by action on ganglion cells, Peptic ulcer | M1 antagonist |
| Benzhexol | Parkinsonism, esp to counteract movement disorders caused by antipsychotics. | M1 antagonist |
| Pilocarpine | Glaucoma, angle-closure, Glaucoma, open-angle, xerostomia | Muscarinic agonist |
| Timolol | Hypertension, essential, Glaucoma, open-angle, myocardial infarction, migraine, headache prophylaxis | β-Adrenoceptor antagonist |
| Acetazolamide | Glaucoma, edema, mountain sickness, unlocalized and absence seizures | Carbonic anhydrase inhibitor |
| Pancuronium | Muscle relaxant in anesthesia | Nicotinic antagonist - block transmission at NMJ |
| Trimetaphan | Blood pressure lowering in surgery (rarely used) | Nicotinic antagonist that blocks trasmission at autonomic ganglia |
| Botulinum Toxin | Blepharospasm, Dystonia, cervical, Glabellar lines, Strabismus | Blocks ACh release |