Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 07:00

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