Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 02:20

Mental disorder
Pharmaceutical drug (abuse or side effects)
Alcohol withdrawal
Dementia risk begins in childhood, not old age, scientists warn - PsyPost
Infection
Stress
Affective disorders
Hallucinogen use
Seizures
Alzheimer's disease,
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Head injury
Fever
PTSD
Narcolepsy
Delirium tremens
⁉️sources from my experiences and internet research ⁉️
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Withdrawal from benzodiazepines
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Sleep 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:
Grief (yes, sadly)
Migraines
Alcohol
Bipolar disorder
Parkinson's disease
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Charles Bonnet syndrome
Dementia with Lewy bodies
Brain Tumors