Over-the-counterLower-cost generic availableClass: Gastrointestinal

Alka-Seltzer Original

(aspirin / citric acid / sodium bicarbonate)

Over-the-counterLower-cost generic availableClass: Gastrointestinal
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5.4Alka-Seltzer

Relieves heartburn, headache, and body pains.

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Our bottom line

Alka-Seltzer Original (Aspirin / Citric Acid / Sodium Bicarbonate) gives quick relief for headache, body pains, and upset tummies, but might be hard to swallow if you don't like the taste or fizz.

Upsides

  • Works great if you have an upset stomach and a headache or body pain at the same time.
  • Works really fast.
  • Available over the counter without a prescription.
  • Cheap.
People’s experience with Alka-Seltzer

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Downsides

  • Doesn't last very long.
  • Other antacids like Zantac (H2 blockers) and omeprazole (proton pump inhibitors) can work better and last longer.
  • Because it has aspirin in it, it increases the risk of bleeding, especially if you take any other blood thinning medicine.
  • Can't be used by people with allergy to aspirin.
  • You may not like the taste or fizz.
How it works

Alka-Seltzer Original (Aspirin / Citric Acid / Sodium Bicarbonate) is a combination medicine. Sodium bicarbonate is an antacid that relieves heartburn and acid tummy (indigestion). Aspirin is a pain reliever that treats headache and body pains.

People’s experience with Alka-Seltzer

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Used for
Dosage forms
  • Chewable tablet
  • Effervescent tablet
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Side effect rates for Alka-Seltzer Original (aspirin / citric acid / sodium bicarbonate)

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These are side effects of Alka-Seltzer Original (aspirin / citric acid / sodium bicarbonate) reported to the FDA by people taking it, and by doctors and pharmacists.
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Risks and Warnings for Alka-Seltzer Original (aspirin / citric acid / sodium bicarbonate)

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  • There are many different over the counter medications with the brand name Alka-Seltzer Original (Aspirin / Citric Acid / Sodium Bicarbonate). Each one may contain different active ingredients. Be sure to read the labels carefully to understand what kind of medicine you have and what the correct dose should be.

Common concerns from people taking Alka-Seltzer Original (aspirin / citric acid / sodium bicarbonate)

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Pregnancy
Food
  • Take it with food to lower the chance of an upset stomach.
Kidneys and liver
  • If you have kidney or hyperparathyroid disease Alka-Seltzer Original (Aspirin / Citric Acid / Sodium Bicarbonate) can build up in your blood. This may can cause toxic levels of sodium in your body. This is more likely if you have severe kidney disease (defined as a kidney function blood test called GFR of less than 30ml/min). If you have severe kidney disease or are on kidney dialysis don't use Alka-Seltzer Original (Aspirin / Citric Acid / Sodium Bicarbonate); a different antacid would be better for you.