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

Alcohol

Grief (yes, sadly)

Seizures

Sleep disorders

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

Infection

Migraines

Brain Tumors

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

Delirium tremens

Mental disorder

Parkinson's disease

Head injury

PTSD

Alcohol withdrawal

Dementia with Lewy bodies

Alzheimer's disease,

Withdrawal from benzodiazepines

Fever

Charles Bonnet syndrome

Narcolepsy

Hallucinogen use

Affective disorders

Pharmaceutical drug (abuse or side effects)

⁉️sources from my experiences and internet research ⁉️

Bipolar disorder

Stress

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