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 00:59

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