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Alka-Seltzer Extra Strength

Dosage form
GRANULE, EFFERVESCENT
Labeler
Bayer HealthCare LLC.
Label updated
2025-12-04
Retrieved
2026-09-07
Active ingredients
ANHYDROUS CITRIC ACID · ASPIRIN · SODIUM BICARBONATE
View original label and images on DailyMed ↗
Label information

Drug Facts

유효 성분

성분·작용

Active ingredients (in each tablet) Purpose
Anhydrous citric acid 1000 mg Antacid
Aspirin 500 mg Analgesic
Sodium bicarbonate (heat-treated) 1985 mg Antacid
Uses

for the temporary relief of:

  • heartburn, acid indigestion, and sour stomach when accompanied with headache or body aches and pains
  • upset stomach with headache from overindulgence in food or drink
  • headache, body aches, and pain alone
Warnings

Reye’s syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye’s syndrome, a rare but serious illness.

Allergy alert: Aspirin may cause a severe allergic reaction which may include

  • hives
  • facial swelling
  • asthma (wheezing)
  • shock

Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you

  • are age 60 or older
  • have had stomach ulcers or bleeding problems
  • take a blood thinning (anticoagulant) or steroid drug
  • take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others)
  • have 3 or more alcoholic drinks every day while using this product
  • take more or for a longer time than directed

Do not use

  • if you are allergic to aspirin or any other pain reliever/fever reducer
  • if you have ever had an allergic reaction to this product or any of its ingredients

Ask a doctor before use if

  • stomach bleeding warning applies to you
  • you have a history of stomach problems, such as heartburn
  • you have high blood pressure, heart disease, liver cirrhosis, or kidney disease
  • you are taking a diuretic
  • you have asthma
  • you have a sodium-restricted diet

Label information

Ask a doctor or pharmacist before use if you are

  • presently taking a prescription drug. Antacids may interact with certain prescription drugs.
  • taking a prescription drug for anticoagulation (blood thinning), diabetes, gout, or arthritis

Label information

When using this product do not exceed recommended dosage

Stop use and ask a doctor if

  • an allergic reaction occurs. Seek medical help right away.
  • you experience any of the following signs of stomach bleeding

• feel faint • vomit blood

• have bloody or black stools

• have stomach pain that does not get better

  • symptoms get worse or last more than 10 days
  • redness or swelling is present
  • ringing in the ears or a loss of hearing occurs
  • new symptoms occur

Label information

If pregnant or breast-feeding, ask a health professional before use. It is especially important not to use aspirin during the last 3 months of pregnancy unless definitely directed to do so by a doctor because it may cause problems in the unborn child or complications during delivery.

Label information

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

Directions
  • fully dissolve 2 tablets in 4 ounces of water before taking
adults and children 12 years and over 2 tablets every 6 hours, or as directed by a doctor do not exceed 7 tablets in 24 hours
adults 60 years and over 2 tablets every 6 hours, or as directed by a doctor do not exceed 3 tablets in 24 hours
children under 12 years consult a doctor
Other information
  • each tablet contains: sodium 588 mg
  • store at room temperature. Avoid excessive heat.
  • Alka-Seltzer Extra Strength in water contains principally the antacid sodium citrate and the analgesic sodium acetylsalicylate
Inactive ingredients

flavor

Questions or comments?

1-800-986-0369 (Mon - Fri 9AM - 5PM EST)

PRINCIPAL DISPLAY PANEL - 24 Tablets Carton

Alka-

Seltzer
®

ANTACID & PAIN RELIEF MEDICINE

FAST

RELIEF

OF:

Acid Indigestion

Upset Stomach

Heartburn with

Headache

Body Aches

XTRA

STRENGTH

24 EFFERVESCENT TABLETS

[Image in the official label — see DailyMed source]

DailyMed Set ID: 49b73bd5-6465-05eb-e054-00144ff88e88 · Version 5
NDC: 0280-0211