Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 01:10

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