Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 00:21

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