Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 07:36

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