antihistaminic
/ˌæntiˌhɪstəˈmɪnɪk/
adjective
- Relating to or having the effect of an antihistamine; counteracting histamine.
- The doctor explained the antihistaminic action of the new allergy pill.
- Some plants have natural antihistaminic effects that can soothe skin rashes.
- The antihistaminic properties of the medication helped relieve her itching.