Anticholinergics

Anticholinergics/Nutrient Depletion:

  • PABA (para-aminobenzoic acid)PABA (para-aminobenzoic acid): Based on secondary sources, pirenzepine may interfere with exocrine pancreatic function and may decrease absorption of PABA. Based on a clinical trial, pirenzepine may decrease PABA serum levels (2698170).
  • RiboflavinRiboflavin: Based on human evidence, anticholinergic drugs may affect riboflavin absorption (4636455, 4556316, 5059801, 5058638).