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 07:22

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