antitoxic
/ˌæntɪˈɒksɪk/Definitions
1. adjective
relating to or capable of preventing or counteracting the effects of a toxin
“The antitoxic properties of the medication helped to save the patient’s life.”
2. noun
a substance or treatment that prevents or counteracts the effects of a toxin
“The doctor administered an antitoxic serum to the patient to neutralize the poison.”