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 00:18

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