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 08:54

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