Your answer is B. Hallucinogens. Antidepressants are controlled substances but can be obtained legally with a prescription. Antihistamines are medicines such as Benadryl or Allegra. Painkillers can be obtained over the counter or through prescription, depending on its strength. There is no real medical use for hallucinogens. Common hallucinogens include LSD, Ketamine, and PCP.
