Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 00:51

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