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 09:14

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