Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 03:33

Brain Tumors
Narcolepsy
Grief (yes, sadly)
Head injury
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:
Pharmaceutical drug (abuse or side effects)
Delirium tremens
Sleep disorders
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Migraines
Charles Bonnet syndrome
PTSD
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Dementia with Lewy bodies
Bipolar disorder
Mental disorder
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Infection
Parkinson's disease
Fever
Gut Microbiota Transplants May Cause Long-Term Imbalance - Neuroscience News
Withdrawal from benzodiazepines
Stress
Alcohol
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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).
Alcohol withdrawal
Seizures
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Hallucinogen use
Affective disorders
⁉️sources from my experiences and internet research ⁉️