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 16:23

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