Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 00:01

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