​Differential diagnosis of dopamine agonists causing delirium are : 
-ropinirole 
-pergolide 
-levodopa 
-amantadine 
-ergotamine 
-bromocriptine 
-levodopa 
-pramipexole 

​Differential diagnosis of cardiovascular or hypertensive agents causing delirium are : 
-digoxin 
-antiarrhythymics 
-clonidine 
-beta blockers
-methyldopa 
-diuretics 

​Differential diagnosis of sedatives / hypnotics causing delirium are : 
-barbiturates 
-benzodiazepine 

​Differential diagnosis of antidepressants causing delirium are : 
-tricyclic antidepressants 
-selective serotonin reuptake inhibitor 
-mirtazapine 

​Differential diagnosis of anticonvulsants causing delirium are : 
-vigabatrin 
-valproate
-phenytoin 
-carbamazepine 
-levetiracetam 

t.​Differential diagnosis of anticholinergic causing delirium are : 
-trihexylphenidyl 
-scopolamine 
-atropine 
-diphenhydramine 
-benztropine 

​Differential diagnosis of antibiotics or antivirals causing delirium are : 
-sulfonamides
-rifampicin 
-penicillin
-macrolides
-interferon 
-isoniazid
-cycloserine 
-cephalosporins
-anti malarials
-acyclovir 
-amphotericin B 
-aminoglycosides 

​Differential diagnosis of analgesics causing delirium is : 
-opioids

​Differential diagnosis of drugs intoxication causing delirium are : 
-analgesic 
-antibiotics 
-antivirals
-anticonvulsants
-antidepressants
-anticholinergics
-hypnotics or sedative agents 
-corticosteroids 
-dopamine agonists
-cardiovascular medications
-hypertensive agents
-camphor 
-herbal medications 
-gastrointestinal agents 

​Differential diagnosis of delirium are : 
-toxins 
-thiamine deficiency 
-drugs intoxication 
-withdrawal of barbiturates, sedatives or alcohol after chronic use