Alka-Seltzer Heartburn ReliefChews Side Effects
Generic name: calcium carbonate
Medically reviewed by Drugs.com. Last updated on Mar 14, 2024.
Note: This document contains side effect information about calcium carbonate. Some dosage forms listed on this page may not apply to the brand name Alka-Seltzer Heartburn ReliefChews.
Applies to calcium carbonate: oral suspension, oral tablet, oral tablet chewable. Other dosage forms:
Serious side effects
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Very bad constipation.
Other side effects
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Constipation.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
For Healthcare Professionals
Applies to calcium carbonate: compounding powder, oral capsule, oral gum, oral powder, oral suspension, oral tablet, oral tablet chewable.
Metabolic
Uncommon (0.1% to 1%): Hypercalcemia
Very rare (less than 0.01%): Loss of appetite, milk-alkali syndrome
Frequency not reported: Alkalosis[Ref]
Genitourinary
Uncommon (0.1% to 1%): Hypercalciuria
Very rare (less than 0.01%): Urinary frequency[Ref]
Gastrointestinal
Rare (0.01% to 0.1%): Nausea, diarrhea, constipation, flatulence, eructation, dyspepsia, gastric pain, abdominal pain/discomfort
Very rare (less than 0.01%): Vomiting[Ref]
Dermatologic
Very rare (less than 0.01%): Pruritus, rash, urticaria[Ref]
Renal
Very rare (less than 0.01%): Renal impairment[Ref]
Nervous system
Very rare (less than 0.01%): Continuous headache[Ref]
Hypersensitivity
Frequency not reported: Allergic reactions, hypersensitivity, anaphylactic reaction, angioedema[Ref]
Other
Frequency not reported: Unusual tiredness or weakness[Ref]
Respiratory
Frequency not reported: Asthma[Ref]
Musculoskeletal
Frequency not reported: Muscular weakness[Ref]
More about Alka-Seltzer Heartburn ReliefChews (calcium carbonate)
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- Dosage information
- During pregnancy
- Drug class: antacids
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Patient resources
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References
1. (2001) "Product Information. Calci-Chew (calcium carbonate)." R & D Laboratories Inc
2. Cerner Multum, Inc. "UK Summary of Product Characteristics."
3. Cerner Multum, Inc. "Australian Product Information."
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.