Dextromethorphan/Promethazine Oral Solution (PROMETHAZINE/DEXTROMETHORPHAN - ORAL)

This medicine is used for the following purposes:

  • allergy symptoms
  • coughing

Generic Name: Dextromethorphan/Promethazine

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.

Take the medicine with 250 mL (1 cup) of water.

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

This medicine can make you sensitive to the sun. Use sunscreen or protective clothing when in sun.

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.

This medicine may interfere with skin allergy tests. Please tell your doctor or nurse that you are taking this medicine.

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

Cautions

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

This medicine is associated with a rare but very serious medical condition. Please speak with your doctor about symptoms you should look out for while on this medicine. Notify your doctor immediately if you develop those symptoms.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

It is very important that you carefully measure the amount of medicine you take. Your healthcare provider or pharmacist should show you the correct way to measure this medicine.

Do not use the medication any more than instructed.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

If possible, avoid using with marijuana or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

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.

If you drink more than a few alcoholic beverages each day, ask your doctor whether you should be on this medicine.

Contact your doctor if you notice a change in the amount or darkening of your urine.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

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

This medicine should be used with caution in patients with breathing difficulties.

Call your doctor right away if you notice slow or shallow breathing.

Do not share this medicine with anyone who has not been prescribed this medicine.

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.

  • constipation
  • dizziness or drowsiness
  • dry mouth
  • nausea
  • blurring or changes of vision

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

  • loss of balance
  • shallow, irregular breathing
  • changes in memory, mood, or thinking
  • confusion
  • fainting
  • fever
  • hallucinations (unusual thoughts, seeing or hearing things that are not real)
  • fast, irregular, or slow heartbeat
  • uncontrollable movement of face, tongue, arms or legs
  • tight or rigid muscles
  • muscle weakness
  • shakiness
  • shortness of breath
  • unusual or unexplained tiredness or weakness
  • difficulty or discomfort urinating
  • dark urine

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.

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