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 06:09

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