Alka-Seltzer Extra Strength

• It is used to treat heartburn and upset stomach.
• It is used to ease pain.
• It is used to treat headaches.

• Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
• Do not give to children and teenagers who have or are getting better from flu signs, chickenpox, or other viral infections due to the chance of Reye's syndrome. Reye's syndrome causes very bad problems to the brain and liver.
• Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects.
• Do not take Alka-Seltzer Extra Strength for longer than you were told by your doctor.
• You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor.
• Talk with your doctor before you drink alcohol.
• If you smoke, talk with your doctor.
• If you are on a low-sodium or sodium-free diet, talk with your doctor. Some of these products have sodium.
• If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
• This medicine may raise the chance of very bad and sometimes deadly stomach or bowel side effects like ulcers or bleeding. The risk is greater in older people. The risk is also greater in people who have had stomach or bowel ulcers or bleeding before. These problems may occur without warning signs. Talk with the doctor.
• If you are over the age of 60, use this medicine with care. You could have more side effects.
• This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking Alka-Seltzer Extra Strength, call your doctor right away.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• Take with or without food. Take with food if it causes an upset stomach.
• Melt in 1/2cup (4 ounces/120 mL) of water. Drink after the tablets have melted all the way.
• Do not swallow it whole.
• Rinse cup with more water and drink.

What do I do if I miss a dose?

• If you take Alka-Seltzer Extra Strength on a regular basis, take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.
• Many times this medicine is taken on an as needed basis. Do not take more often than told by the doctor.

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 or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of bleeding like throwing up blood or throw up that looks like coffee grounds; coughing up blood; blood in the urine; black, red, or tarry stools; bleeding from the gums; vaginal bleeding that is not normal; bruises without a reason or that get bigger; or any bleeding that is very bad or that you cannot stop.
• Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
• Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
• Very bad dizziness or passing out.
• Feeling confused.
• Very bad headache.
• Ringing in ears.
• Hearing loss.
• Very bad belly pain.
• Feeling agitated.
• Seizures.