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 07:38

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