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

Hallucinogen use

Sleep disorders

Migraines

Mental disorder

Infection

Fever

Charles Bonnet syndrome

Grief (yes, sadly)

Delirium tremens

Withdrawal from benzodiazepines

Pharmaceutical drug (abuse or side effects)

Alzheimer's disease,

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

Seizures

Affective disorders

PTSD

Dementia with Lewy bodies

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

Brain Tumors

Head injury

⁉️sources from my experiences and internet research ⁉️

Bipolar disorder

Narcolepsy

Parkinson's disease

Alcohol

Alcohol withdrawal

Stress

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