II. Medications: Cardiovascular and Pulmonary

  1. Alpha adrenergic agonists (e.g. Clonidine)
  2. Beta-Blockers (e.g. Propranolol)
  3. Antitussive

III. Medications: Neurologic and Psychiatric

  1. Anticonvulsants
  2. Antidepressants
  3. Antiparkinsonian medications (Methyldopa)
  4. Benzodiazepines
  5. Barbiturates

IV. Medications: Gastrointestinal

  1. Antidiarrheal medications
  2. Antiemetics

V. Medications: Miscellaneous

  1. Alcohol (most common)
  2. Antihistamines
  3. Skeletal Muscle Relaxants
  4. Antispasmodic medication
  5. Urinary smooth muscle relaxants

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