Acetaminophen, Chlorpheniramine, and Phenylephrine Effervescent Tablets

Name: Acetaminophen, Chlorpheniramine, and Phenylephrine Effervescent Tablets

What are some things I need to know or do while I take Acetaminophen, Chlorpheniramine, and Phenylephrine Effervescent Tablets?

  • Tell all of your health care providers that you take this medicine. 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 (acetaminophen, chlorpheniramine, and phenylephrine effervescent tablets) for longer than you were told by your doctor.
  • Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine affects you.
  • Avoid drinking alcohol while taking this medicine (acetaminophen, chlorpheniramine, and phenylephrine effervescent tablets).
  • Talk with your doctor before you use other drugs and natural products that slow your actions.
  • Use with care in children. Talk with the doctor.
  • Avoid other sources of acetaminophen. Check labels closely. Too much acetaminophen may cause problems.
  • Very bad and sometimes deadly liver problems have happened with the use of acetaminophen. Some people needed a liver transplant. Liver problems happened most often in people taking more than 4,000 mg (milligrams) in a day. People were often taking more than one drug with 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.
  • If you are on a low-salt or salt-free diet, talk with your doctor.
  • If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
  • This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take this medicine.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine (acetaminophen, chlorpheniramine, and phenylephrine effervescent tablets) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Acetaminophen, Chlorpheniramine, and Phenylephrine Effervescent Tablets) best taken?

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 the effervescent tablet in 1/2 cup of water. Do not swallow the tablet whole.
  • Rinse cup with more water and drink.

What do I do if I miss a dose?

  • If you take this medicine (acetaminophen, chlorpheniramine, and phenylephrine effervescent tablets) 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.

What are some side effects that I need to call my doctor about right away?

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.

If OVERDOSE is suspected

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

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