Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 07:01

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:
Hallucinogen use
Parkinson's disease
Charles Bonnet syndrome
PTSD
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Affective disorders
Mental disorder
Pharmaceutical drug (abuse or side effects)
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Bipolar disorder
Delirium tremens
Narcolepsy
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Stress
Withdrawal from benzodiazepines
Dementia with Lewy bodies
Alcohol withdrawal
Infection
Alzheimer's disease,
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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).
Fever
Migraines
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Sleep disorders
Brain Tumors
⁉️sources from my experiences and internet research ⁉️
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Seizures
Alcohol
Grief (yes, sadly)
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