Acute Porphyria Drugs

Risk Classification of Drugs

Code
Interpretation
NP
Not Porphyrinogenic
Used as a first-line choice. No precautions needed.
PNP
Probably Not Porphyrinogenic
Used as a first-line choice. No precautions needed.
PSP
Possibly Porphyrinogenic
Only use when no safer alternatives are available. Precautions motivated in vulnerable patients.
PRP
Probably Porphyrinogenic
Prescribe only on strong or urgent indications. Precautions motivated in all patients.
P
Porphyrinogenic
Prescribe only on urgent indications. Precautions should be taken in all patients.
NC
Not Yet Classified
Prescribe only on urgent indications. Precautions should be taken in all patients.

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