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 07:41

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