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 02:12

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