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 00:37

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