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 02:17

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