Table 2.

List of P-gp and CYP3A4 substrates, inhibitors and inducers observed in prescriptions.

Inducers	Inhibitors	Substrates
P-GP
Aspirin	Atorvastatin	Clopidogrel
Diltiazem	Metformin	Pantoprazole
Spironolactone	Pioglitazone	Omeprazole
	Carvedilol	Losartan
	Diltiazem	Digoxin
	Sodium valproate	Amitriptyline
	Pantoprazole	Teneligliptin
	Omeprazole	Propranolol
	Carvedilol
	Acetaminophen
CYP3A4
Phenytoin	Amlodipine	Atorvastatin
		Losartan
		Amitriptyline
		Clopidogrel
		Phenytoin
		Amlodipine

With reference to P-gp and CYP3A4 substrates, inducers and inhibitors previously reported [15, 29].