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 00:51

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