Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 20:31

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