Identity of drug that causes hallucinations?

Patient: Identity of drug that causes hallucinations?Which drug would cause auditory hallucinations, extreme thirst, chest pains, paranoid delusions, and when consumed orally could create a warm, strange sensation in the throat. The drug would not be detected on the Drugs of Abuse lab test screen which provides qualitative results for barbiturates, benzodiazepines, cocaine, cannabinoids, opiates and amphetamines.Would it be LSD?