Dextromethorphan/Guaifenesin/Phenylephrine Oral Solution (GUAIFENESIN/DEXTROMETHORPHAN/DECONGESTANT - ORAL)

This medicine is used for the following purposes:

  • coughing
  • stuffy nose

Generic Name: Dextromethorphan/Guaifenesin/Phenylephrine

Instructions

Drink the medicine.

Measure the dose of liquid medicine carefully. Use the measuring device that comes with the medicine. If you do not have one, please ask your pharmacist for help.

This medicine may be taken with or without food.

Keep the medicine at room temperature. Avoid heat and direct light.

Drink extra water while on this medicine. Adults should try to drink 6-8 cups (48 to 64 oz.) of water every day.

If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

You may stop using this medicine if you no longer have symptoms.

Do not take the medicine more than four times during 24 hours.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • agitated feeling or trouble sleeping
  • dizziness
  • headaches
  • nausea
  • nervousness

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • changes in memory, mood, or thinking
  • confusion
  • fast, irregular, or slow heartbeat
  • mood changes
  • shakiness
  • weakness

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.