Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 01:15

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