Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 16:16

Bipolar disorder
Alzheimer's disease,
Mental disorder
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Withdrawal from benzodiazepines
PTSD
Infection
Affective disorders
⁉️sources from my experiences and internet research ⁉️
Fever
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Head injury
Seizures
Alcohol withdrawal
Charles Bonnet syndrome
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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Hallucinogen use
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
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Narcolepsy
Grief (yes, sadly)
Delirium tremens
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Sleep disorders
Stress
Migraines
Brain Tumors
Alcohol
Parkinson's disease
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