The mnemonic
PCC
What each word stands for
- PPhenytoin
- CCalcium channel blockers such as nifedipine
- CCyclosporine
Why it matters clinically
Prompts dental hygiene advice and a review of the drug.
Where it stops being reliable
Not exhaustive; the effect depends on dose and plaque control.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.