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 08:38

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