Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 17:58

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