Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 11:12

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