Can certain diseases cause paranoia similar to that seen in...

Alzheimer's disease,

Pharmaceutical drug (abuse or side effects)

Narcolepsy

Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:

Grief (yes, sadly)

Delirium tremens

Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).

Dementia with Lewy bodies

⁉️sources from my experiences and internet research ⁉️

Seizures

Alcohol

Charles Bonnet syndrome

Stress

Head injury

Withdrawal from benzodiazepines

Sleep disorders

PTSD

Hallucinogen use

Parkinson's disease

Alcohol withdrawal

Mental disorder

Infection

Brain Tumors

Migraines

Bipolar disorder

Affective disorders

Fever

Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?