anti-posion
The medical term for against a poison is "antidote." An antidote is a substance that can counteract the effects of a poison or toxin in the body, helping to neutralize its harmful effects.
Immunity
An antagonist counteracts another medication.
toxic
yes, the undertaker is an apporpiate term
Pharmacotherapy is treatment with medication.
That would be 'toxic'
antibiotic
Toxicogenesis? or Pathogenesis?
toxicity
Radiation poison and cancer.
toxemia