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 08:50

Fever
Parkinson's disease
Head injury
Delirium tremens
Narcolepsy
Sleep disorders
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Alcohol withdrawal
⁉️sources from my experiences and internet research ⁉️
Charles Bonnet syndrome
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Alcohol
Withdrawal from benzodiazepines
Hallucinogen use
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Affective disorders
Migraines
Brain Tumors
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Bipolar disorder
PTSD
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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Dementia with Lewy bodies
Seizures
Mental disorder
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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).
Pharmaceutical drug (abuse or side effects)
Stress
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Infection
Alzheimer's disease,
Grief (yes, sadly)
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