What is Alka-Seltzer Heartburn: Uses, Warnings & Interactions

Your doctor will tell you how much medicine to use. Do not use more than directed.

Follow the instructions on the medicine label if you are using this medicine without a prescription.

If you are using the effervescent tablet form of this medicine, dissolve the tablets fully in 4 ounces of water. Drink all of this mixture right away.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Follow the instructions on the medicine label if you are using this medicine without a prescription.

If you are using the effervescent tablet form of this medicine, dissolve the tablets fully in 4 ounces of water. Drink all of this mixture right away.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

You should not use this medicine if you have had an allergic reaction to sodium bicarbonate or citric acid.

Make sure your doctor knows if you are pregnant or breast feeding.

Tell your doctor if your symptoms last for longer than 14 days.

The effervescent tablet form of this medicine contains sodium and phenylalanine. Before using an effervescent tablet, tell your doctor if you are on a salt-restricted diet, or if you have phenylketonuria.

There are many other medicines that should not be taken together with an antacid, such as sodium bicarbonate. Tell your doctor about all other medicines you are using.

The effervescent tablet form of this medicine contains sodium and phenylalanine. Before using an effervescent tablet, tell your doctor if you are on a salt-restricted diet, or if you have phenylketonuria.

Tell your doctor if your symptoms last for longer than 14 days.