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Aspirin, Citric Acid, Sodium Bicarbonate Effervescent Tablet

FDA Drug Information • Also known as: Alka-Seltzer

Brand Names
Alka-Seltzer
Drug Class
Calculi Dissolution Agent [EPC], Anti-coagulant [EPC], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]
Route
ORAL
Dosage Form
TABLET, EFFERVESCENT
Product Type
HUMAN OTC DRUG

What Is Aspirin, Citric Acid, Sodium Bicarbonate Effervescent Tablet Used For?

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

    • Dosage and Administration

    Directions Fully dissolve 2 tablets in 4 ounces of water before taking. Adults and children 12 years and over: take 2 tablets every 4 hours,or as directed by a doctor. Do not exceed 8 tablets in 24 hours. Adults 60 years and over: take 2 tablets every 4 hours,or as directed by a doctor. Do not exceed 4 tablets in 24 hours. Children under 12 years: consult a doctor.

    Warnings and Precautions

    Warnings Reye's syndrome 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 Allergy alert: Aspirin may cause a severe allergic reaction which may include:

  • hives
  • facial swelling
  • asthma (wheezing)
  • shock Stomach bleeding warning 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 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 diabetes, gout, or arthritis 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 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. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

    • About This Information

    This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.

    What are side effects?

    Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.

    What are drug interactions?

    Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.