Interaction Checker
Select two or more substances to check for known interactions.
14967 interaction pairs documented2217 dangerous combinations
Status Definitions
DangerousKnown to cause severe adverse reactions or death
UnsafeSignificant risk of harm; should be avoided
CautionUse with caution; dose-dependent risks exist
UncertainInsufficient data to assess risk reliably
Low Risk & SynergyGenerally safe with synergistic effects
Low Risk & No SynergyGenerally safe without significant interaction
Low Risk & DecreaseGenerally safe but one may reduce the effect of the other