Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 00:38

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