Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 04:31

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