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 11:03

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