Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 24.06.2025 09:35

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