Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 02:20

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