Congenital infections mnemonic

Congenital infections in the TORCH group

The mnemonic

TORCH

What each word stands for

  • TToxoplasma gondii
  • OOther: syphilis, varicella-zoster, parvovirus B19, HIV
  • RRubella
  • CCytomegalovirus
  • HHerpes simplex virus

Why it matters clinically

Consider in a neonate with growth restriction, microcephaly, hepatosplenomegaly, chorioretinitis or intracranial calcification.

Where it stops being reliable

The 'O' is a catch-all and its contents differ between textbooks. Each infection has its own distinct pattern, which the mnemonic does not capture.

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

More mnemonics

Common questions

What is the Congenital infections mnemonic?

TORCH. It helps you recall: Congenital infections in the TORCH group.

What does "T" stand for?

Toxoplasma gondii

What does "O" stand for?

Other: syphilis, varicella-zoster, parvovirus B19, HIV

What does "R" stand for?

Rubella

What are all the parts of the TORCH mnemonic?

T: Toxoplasma gondii; O: Other: syphilis, varicella-zoster, parvovirus B19, HIV; R: Rubella; C: Cytomegalovirus; H: Herpes simplex virus.

Which topic does this mnemonic belong to?

It belongs to Congenital infections in Microbiology.

Where does this mnemonic stop being reliable?

The 'O' is a catch-all and its contents differ between textbooks. Each infection has its own distinct pattern, which the mnemonic does not capture.

How is this useful clinically?

Consider in a neonate with growth restriction, microcephaly, hepatosplenomegaly, chorioretinitis or intracranial calcification.

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 Microbiology question about Congenital infections.

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.