Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 00:45

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