S191 Pill — WHITE ROUND, 6mm — Eszopiclone

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Imprint	S191
Colour	WHITE
Shape	ROUND
Size	6
Strength	ESZOPICLONE 2 mg
Dosage form	Tablet, Coated
Manufacturer	H.J. Harkins Company, Inc.
NDC	52959-919
Schedule	CIV
Availability	—
Ingredients	ESZOPICLONE[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

BOXED WARNING: "Complex sleep behaviors including sleep-walking, sleep-driving, and engaging in other activities while not fully awake may occur following use of LUNESTA. Some of these events may result in serious injuries, including death." The label further warns of CNS depression (worse with alcohol or other depressants), next-day psychomotor/driving impairment, abnormal thinking and behavioral changes including hallucinations, and the need to prescribe the "smallest quantity feasible" for patients with depression given suicide risk.

"LUNESTA is indicated for the treatment of insomnia," decreasing sleep latency and improving sleep maintenance, as shown in controlled outpatient and sleep laboratory studies.

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "S191".
• Confirm the colour (WHITE) and shape (ROUND).
• Compare the size (6) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

S191 Pill — WHITE ROUND, 6mm — Eszopiclone

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Eszopiclone

Official references