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Antacid

Generic: Calcium Carbonate

OTC
Antacid✓ FDA-verified
View full FDA label ↗
Antacid is a medication that helps relieve symptoms like acid indigestion, heartburn, sour stomach, and upset stomach. It works by neutralizing stomach acid, which can help make you feel more comfortable. You can take one to four tablets each day, but don’t take more than four tablets in a 24-hour period, and avoid using the maximum dose for more than two weeks. It's important to stop using it and consult a doctor if your symptoms last longer than two weeks. If you are taking prescription medications, especially certain drugs, it's a good idea to ask your doctor or pharmacist before using this medication, as it may interact with them.
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Uses

  • acid indigestion. heartburn. sour stomach. upset stomach.
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Dosage

Take one to four tablets daily.
Do not take more than 4 tablets in 24 hours.
Do not use the maximum dosage for more than 2 weeks.
Always follow your doctor's specific instructions for your dose.
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Side effects

Common

Common side effects may include stomach upset

Serious

Serious side effects are not listed
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Warnings

⚠ Important warnings

  • Ask a doctor or pharmacist before use if taking a prescription drug.
  • Antacids may interact with certain prescription drugs.
  • Stop use and ask a doctor if symptoms last more than 2 weeks.
  • If pregnant or breast-feeding, ask a health professional before use.

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Answers pulled from the FDA label only.

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Medical Disclaimer: This content is provided for informational and educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before taking any medication.
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).