A health care professional is caring for a patient who is taking acetaminophen (Tylenol), a nonoploid analgesic, and codeine, an oploid agonist, for pain relief. These drugs interact together causing an additive effect. Which of the following are characteristics of additive drug interactions? (Select all that apply.) Patients can achieve desired effects with the use of lower dosages voking two drugs together can reduce the effects of one or both drugs Taking two drugs together can potentiate the effects of one or both drugs The two drugs produce an action neither would have produced one. Both druheimar actions