Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 04:51

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