Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 00:30

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