underdosing

/ˌʌndərˈdoʊsɪŋ/
noun
  1. The act of giving too small an amount of a medicine or drug.
    • Doctors try to avoid underdosing by carefully calculating each patient's needs.
    • Underdosing of chemotherapy can allow cancer cells to survive.
    • The study found that underdosing was common in patients who skipped doses.
verb
  1. Present participle of underdose: giving someone too small an amount of a medicine or drug.
    • The pharmacist was underdosing the liquid medication because the dropper was faulty.
    • The veterinarian is underdosing the puppy's dewormer by accident.
    • She worries that underdosing her son's allergy medicine will make his symptoms return.