Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 05:21

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