Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 06:18

Bipolar disorder
Dementia with Lewy bodies
⁉️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:
Affective disorders
Migraines
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Alcohol
Pharmaceutical drug (abuse or side effects)
PTSD
Grief (yes, sadly)
Charles Bonnet syndrome
Sleep disorders
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Fever
Withdrawal from benzodiazepines
Stress
Alzheimer's disease,
Alcohol withdrawal
Seizures
Brain Tumors
Mental disorder
Narcolepsy
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Parkinson's disease
Head injury
Infection
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Hallucinogen use
Delirium tremens
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).