Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 23.06.2025 11:37

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