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 07:51

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