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 05:49

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