Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 22.06.2025 00:54

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