II. Medications: Cardiovascular and Pulmonary
- Alpha Adrenergic Agonists (e.g. Clonidine)
- Beta-Blockers (e.g. Propranolol)
- Antitussive
III. Medications: Neurologic and Psychiatric
- Anticonvulsants
- Antidepressants
- Antiparkinsonian medications (Methyldopa)
- Benzodiazepines
- Barbiturates
IV. Medications: Gastrointestinal
- Antidiarrheal medications
- Antiemetics
V. Medications: Miscellaneous
- Alcohol (most common)
- Antihistamines
- Skeletal Muscle Relaxants
- Antispasmodic medication
- Urinary Smooth Muscle relaxants