Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 02:10

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