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 04:43

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