SUMMARYNovel psychoactive substances (NPS), or 'legal highs' are becoming more commonly used as recreational substances in the UK. Their clinical effects are little known and vary considerably between substances. This case discusses a psychiatric inpatient who repeatedly used a stimulant NPS called 'el blanco' while on leave, precipitating relapses of his schizophrenia. The patient initially denied drug use, considering legal highs as different from drugs. The relationship between NPS use and mental state was eventually revealed on careful direct questioning. He recovered and was discharged following treatment with clozapine and education about NPS use. We suggest that specific questioning about NPS usage is added to routine psychiatric history taking and that patients using NPS should be educated about the substances' use.
BACKGROUND
One hundred and fifty-nine patients attending a geriatric medical outpatient clinic were screened for depression using the geriatric depression scale (GDS) and brief assessment schedule depression cards (BASDEC). Twenty-two (13.8%) patients screened positive with one or other test, 13 (8.2%) being positive with both screening tests. There was a highly significant correlation between the two screening tests but the BASDEC instrument was quicker and easier to administer. Eighteen of 22 patients who screened as positive proved to have clinical depression. On subsequent re-testing of 17 of these patients 4-6 weeks later, eight were still positive, but nine patients were now negative and subjectively felt better. These findings suggest the possibility of a transient mood disturbance occurring in elderly patients akin to recurrent brief depression seen in younger subjects, and have implications for starting therapy in apparently depressed elderly people.
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