He could fire spikes that caused delusions.

Had the ability to generate great psychic pain, causing delusions and possibly even controlling the minds of others.

This two-headed fallacy caused humanity both delusions of grandeur and a paranoiac sense of loneliness.

Including-no, especially-for hallucinogenics and for drugs that might cause hallucinations or delusions as a side effect.

This then causes agitation and distress and secondary delusions.

With prolonged use, often accompanied by lack of sleep, the drug can cause itching, tachycardia, hallucinations, and paranoid delusions.

Schizophrenia often causes severe delusions, depression and other serious symptoms, which the drug can relieve.

From the little we know of the disease, it affects the mind, causing delusions, hallucinations, and madness.

With excessive or prolonged use, the drug can cause itching, tachycardia, hallucinations, and paranoid delusions.

"Apparently enough to cause delusions, since he reported that you were dead."