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 01:43

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