S431 Pill — RED OVAL, 18mm — Acetaminophen

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Imprint	S431
Colour	RED
Shape	OVAL
Size	18
Strength	ACETAMINOPHEN 500 mg;CAFFEINE 65 mg
Dosage form	Tablet
Manufacturer	Spirit Pharmaceuticals LLC
NDC	68210-4108
Schedule	—
Availability	—
Ingredients	ACETAMINOPHEN[ACETAMINOPHEN];CAFFEINE[CAFFEINE]

What does this imprint mean?

The imprint "S431" 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

Acetaminophen

Uses and warnings

Liver Warning: "Severe liver damage may occur if you take more than 4,000 mg of acetaminophen in 24 hours" (the maximum daily dose), when combined with other acetaminophen-containing drugs, or with 3+ daily alcoholic drinks. Allergy Alert: The product "may cause severe skin reactions" with symptoms including skin reddening, blisters, and rash; users should "stop use and seek medical help right away" if these occur. Additional Warnings: - Do not use with other acetaminophen-containing products - Ask a doctor before use if you have liver disease - Stop use if pain lasts over 10 days or fever over 3 days - Contains overdose warning regarding liver damage risk

This product is indicated to "temporarily relieve minor aches and pains" including headache, muscular aches, backache, minor arthritis pain, common cold symptoms, toothache, and menstrual cramps. It also "temporarily reduces fever."

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "S431".
• Confirm the colour (RED) and shape (OVAL).
• Compare the size (18) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

S431 Pill — RED OVAL, 18mm — Acetaminophen

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Acetaminophen

Official references