Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 00:01

Delirium tremens
Sleep disorders
Parkinson's disease
Mental disorder
Migraines
Grief (yes, sadly)
Pharmaceutical drug (abuse or side effects)
Fever
Alzheimer's disease,
Alcohol
Affective disorders
Stress
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PTSD
Alcohol withdrawal
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Narcolepsy
Infection
Brain Tumors
Withdrawal from benzodiazepines
⁉️sources from my experiences and internet research ⁉️
Head injury
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Bipolar disorder
Hallucinogen use
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Dementia with Lewy bodies
Charles Bonnet syndrome
Seizures
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