Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 07:39

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