Analgesics | NSAIDs | Opioids (especially meperidine) | Antibiotics and antivirals | Acyclovir | Aminoglycosides | Amphotericin B | Antimalarials | Cephalosporins | Cycloserine | Fluoroquinolones | Isoniazid | Interferon | Linezolid | Macrolides | Metronidazole | Nalidixic acid | Penicillins | Rifampin | Sulfonamides | Anticholinergics | Atropine | Benztropine | Diphenhydramine | Scopolamine | Trihexyphenidyl | Antiseizure medications | Carbamazepine | Levetiracetam | Phenytoin | Valproate | Vigabatrin | Antidepressants | Mirtazapine | Selective serotonin reuptake inhibitors | Tricyclic antidepressants | Cardiovascular and hypertension drugs | Antiarrhythmics | Beta blockers | Clonidine | Digoxin | Diuretics | Methyldopa | | Corticosteroids | Dopamine agonists | Amantadine | Bromocriptine | Levodopa | Pergolide | Pramipexole | Ropinirole | Gastrointestinal agents | Antiemetics | Antispasmodics | Histamine 2 receptor blockers | Loperamide | Herbal preparations | Atropa belladonna extract | Henbane | Mandrake | Jimson weed | St. John's wort | Valerian | Hypoglycemics | Hypnotics and sedatives | Barbiturates | Benzodiazepines | Muscle relaxants | Baclofen | Cyclobenzaprine | Other CNS-active agents | Disulfiram | Cholinesterase inhibitors (eg, donepezil) | Interleukin 2 | Lithium | Phenothiazines | |