S 21 Pill — WHITE ROUND, 6mm — Sertraline

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Imprint	S / 21
Colour	WHITE
Shape	ROUND
Size	6
Strength	SERTRALINE HYDROCHLORIDE 25 mg
Dosage form	Tablet, Film Coated
Manufacturer	Mylan Institutional Inc.
NDC	51079-149
Schedule	—
Availability	—
Ingredients	SERTRALINE HYDROCHLORIDE[SERTRALINE]

What does this imprint mean?

The imprint "S 21" 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

Sertraline

Uses and warnings

BOXED WARNING: Antidepressants increase suicide risk in children, adolescents, and young adults. Close monitoring is essential, particularly during initial treatment phases. | - Risk of serotonin syndrome when combined with MAOIs, triptans, or other serotonergic agents - May increase bleeding risk, especially with NSAIDs or anticoagulants - Can cause hyponatremia (dangerously low sodium levels) - Discontinuation symptoms possible; gradual dose reduction recommended - May worsen depression or trigger suicidal thoughts initially

"Sertraline hydrochloride tablets are indicated for the treatment of major depressive disorder in adults" and for premenstrual dysphoric disorder (PMDD) in adults. Not approved for pediatric depression.

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "S 21".
• 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.

S 21 Pill — WHITE ROUND, 6mm — Sertraline

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Sertraline

Official references