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S191 Pill — WHITE ROUND, 6mm — Eszopiclone

S191 pill photo
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ImprintS191
ColourWHITE
ShapeROUND
Size6
StrengthESZOPICLONE 2 mg
Dosage formTablet, Coated
ManufacturerSunovion Pharmaceuticals Inc.
NDC63402-191
ScheduleCIV
Availability—
IngredientsESZOPICLONE[ESZOPICLONE]

What does this imprint mean?

The imprint "S191" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.

Active ingredient

Eszopiclone

Uses and warnings

Drug classA "nonbenzodiazepine hypnotic agent that is a pyrrolopyrazine derivative of the cyclopyrrolone class." Its effect is "believed to result from its interaction with GABA-receptor complexes at binding domains located c...

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How to identify this pill

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Official references

Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file b5990763-0701-4031-9ed4-3fee0d950456.xml