Acetaminophen, Dextromethorphan, and Phenylephrine Liquid

• Tell all of your health care providers that you take acetaminophen, dextromethorphan, and phenylephrine liquid. This includes your doctors, nurses, pharmacists, and dentists.
• 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 this medicine for longer than you were told by your doctor.
• Avoid other sources of acetaminophen. Check labels closely. Too much acetaminophen may cause problems.
• This medicine has acetaminophen in it. Very bad and sometimes deadly liver problems like the need for a liver transplant have happened with acetaminophen use. Most of the time, liver problems have happened in people taking more than 4,000 milligrams of acetaminophen in a day. Also, people who had liver problems were often using more than 1 drug that had acetaminophen in it. Talk with your doctor.
• Call your doctor right away if you take more than 4,000 mg (milligrams) of acetaminophen in a day, even if you feel well.
• Talk with your doctor before you drink alcohol.
• This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take acetaminophen, dextromethorphan, and phenylephrine liquid.
• If you are taking warfarin, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with this medicine.
• Different brands of acetaminophen, dextromethorphan, and phenylephrine liquid may be for use in different ages of children. Talk with the doctor before giving this medicine to a child.
• If you are on a low-sodium or low-potassium diet, talk with your doctor.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using acetaminophen, dextromethorphan, and phenylephrine liquid while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

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 liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
• Not able to pass urine or change in how much urine is passed.
• A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.

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:

• Dizziness.
• Feeling nervous and excitable.
• Not able to sleep.

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-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

• Store at room temperature.
• Store in a dry place. Do not store in a bathroom.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Check with your pharmacist about how to throw out unused drugs.