Medique Medi Seltzer

aspirin, citric acid, sodium bicarbonate · Tablet, Effervescent · Oral

Over the counter Anti-coagulant Calculi Dissolution Agent Nonsteroidal Anti-inflammatory Drug

Active ingredient

Active ingredient (in each tablet) Aspirin (NSAID*) 325 mg Citric Acid 1000 mg Sodium bicarbonate (heat-treated) 1916 mg *nonsteriodal anti-inflammatory drug

Purpose

Purpose Pain reliever /fever reducer Antacid Antacid

Uses

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

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 If an allergic reaction occurs, stop use and seek medical help right away. 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 alcohol drinks every day while using this product take more or for a longer time than directed

Do not use

Do not use if you have ever had an allergic reaction to any other pain reliever/ fever reducer if you are taking a prescription drug for gout, diabetes or arthritis

Ask a doctor before use

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 are on a sodium restricted diet you reached age 60 or older

Ask a doctor or pharmacist

Ask a doctor or pharmacist before use if you are taking any other drugs (prescription or non-prescription). Antacids may interact with certain drugs. under a doctor's care for any serious condition

When using this product

When using this product do not exceed recommended dosage.

Stop use and ask a doctor

Stop use and ask a doctor if you experience any of the following signs of stomach bleeding: you feel faint vomit blood have bloody or black stools have stomach pain that does not get better pain gets worse or lasts more than 10 days fever gets worse or lasts more than 3 days you have difficulty swallowing ringing in the ears or loss of hearing occurs redness or swelling is present in the painful area any new symptoms appear

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use. It is especially important not to use aspirin (*NSAIDS) at 20 weeks or later in pregnancy unless specifically 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

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

Directions

Directions do not exceed recommended dosage to avoid serious injury, completely dissolve tablets in 4 oz. of water before taking Adults and children 12 to 60 years of age: 2 tablets every 4 hours. Do not exceed 8 tablets in 24 hours or do not use the maximum dosage for more than 10 days. Children under 12 years of age: Do not give to children under 12 years of age. 60 years and older: Do not exceed 4 tablets in 24 hours or do not use the maximum dosage for more than 10 days.

Inactive ingredients

none

Questions?

Questions or comments? 1-800-634-7680

Label text from the FDA structured product label by Unifirst First Aid Corporation (revised Aug 19, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Medique Medi Seltzer NDC products (1)

NDCStrength & formLabelerType
47682-135Aspirin 325 mg/1; Citric Acid Monohydrate 1000 mg/1; Sodium Bicarbonate 1916 mg/1
Tablet, Effervescent
Unifirst First Aid CorporationOTC MONOGRAPH DRUG

Frequently asked questions

What is Medique Medi Seltzer 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

Who makes Medique Medi Seltzer?

Medique Medi Seltzer is listed by 1 labeler in the FDA NDC directory, including Unifirst First Aid Corporation.