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 03:00

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