Autonomic nervous system mnemonic

Muscarinic features of organophosphate poisoning

The mnemonic

DUMBELS

What each word stands for

  • DDiarrhoea
  • UUrination
  • MMiosis
  • BBradycardia, bronchospasm and bronchorrhoea
  • EEmesis
  • LLacrimation
  • SSalivation and sweating

Why it matters clinically

Recognises cholinergic excess so atropine is given early.

Where it stops being reliable

Nicotinic effects such as fasciculations and weakness are not covered, and pupils may be dilated in some cases.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Autonomic nervous system mnemonic?

DUMBELS. It helps you recall: Muscarinic features of organophosphate poisoning.

What does "D" stand for?

Diarrhoea

What does "U" stand for?

Urination

What does "M" stand for?

Miosis

What are all the parts of the DUMBELS mnemonic?

D: Diarrhoea; U: Urination; M: Miosis; B: Bradycardia, bronchospasm and bronchorrhoea; E: Emesis; L: Lacrimation; S: Salivation and sweating.

Which topic does this mnemonic belong to?

It belongs to Autonomic nervous system in Pharmacology.

Where does this mnemonic stop being reliable?

Nicotinic effects such as fasciculations and weakness are not covered, and pupils may be dilated in some cases.

How is this useful clinically?

Recognises cholinergic excess so atropine is given early.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Pharmacology question about Autonomic nervous system.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.