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 05:24

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