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 04:34

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