Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 00:03

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