# PillFYI.com > Your medication, explained. ## Drug Database - [4934 drugs](https://pillfyi.com/drugs/) — from FDA, MFDS, DailyMed - [Drug Classes](https://pillfyi.com/classes/) — WHO ATC classification - [Conditions](https://pillfyi.com/conditions/) — drugs by medical condition ## Data Sources - FDA DailyMed (US drug labels) - MFDS (Korean drug products) - openFDA (adverse events, NDC) - DDinter (drug interactions) ## Sister Site - [DrugFYI](https://drugfyi.com/) — Scientific pharmacology encyclopedia ## Important - All information is for educational purposes only - Always consult a healthcare professional - Data sourced from official government databases