Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 22.06.2025 02:02

⁉️sources from my experiences and internet research ⁉️
Bipolar disorder
Narcolepsy
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Affective disorders
Migraines
Alzheimer's disease,
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Parkinson's disease
Grief (yes, sadly)
Fever
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Seizures
Brain Tumors
Pharmaceutical drug (abuse or side effects)
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Hallucinogen use
Sleep disorders
Head injury
If a narcissist can't feel remorse, can they ever feel regret for an evil act after going to rehab?
Stress
Infection
Charles Bonnet syndrome
Mental disorder
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
PTSD
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Delirium tremens
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Dementia with Lewy bodies
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Alcohol withdrawal
Alcohol
Withdrawal from benzodiazepines