Autonomic nervous system regulates involuntary body functions that we cannot survive without.
Somatic nervous system is about Action
ANS is about Stability
It has 3 Divisions
- Sympathetic Nervous System (SNS)
- Parasympathetic Nervous System (PNS)
- Enteric Nervous System (ENS)
When you come to know about the receptors and where they are present its easy to understand where the drugs act and what they were used for.
Muscarinic Agonist
| Drug | Use |
|---|---|
| Bethanechol | Urinary retention |
| Pilocarpine | Glaucoma, xerostomia |
| Carbachol | Glaucoma |
Antagonists
| Drug | Clinical Use |
|---|---|
| Atropine | Bradycardia |
| Glycopyrrolate | Reduce secretions |
| Ipratropium / Tiotropium | COPD, asthma |
| Oxybutynin | Overactive bladder |
| Scopolamine | Motion sickness |
Adrenergic Agonist
| Drug | Receptor | Use |
|---|---|---|
| Adrenaline | α + β | Anaphylaxis |
| Noradrenaline | α1 > β1 | Shock |
| Dobutamine | β1 | Heart failure |
| Salbutamol | β2 | Asthma |
| Phenylephrine | α1 | Nasal decongestant |
Antagonists
What plays major role in our body according to you?
MBH/PS