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 00:41

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