Skip to main content

Phenylephrine/Promethazine Oral Solution (PROMETHAZINE/PHENYLEPHRINE - ORAL)

This medicine is used for the following purposes:

  • allergy symptoms
  • stuffy nose

Generic Name: Phenylephrine/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.

You may take with food to prevent stomach upset.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Drink plenty of water while on this medicine.

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.

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

Cautions

This medicine is not approved for use in children younger than 2.

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

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. Do not stand or sit up quickly.

If possible, avoid using with alcohol, 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.

Avoid becoming overheated during exercise or other activities. Try to stay cool in hot weather.

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.

Use medicine with caution if you have breathing problems. Get help right away for 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.

  • blurry vision
  • constipation
  • dizziness or drowsiness
  • headaches
  • nausea
  • stomach upset or abdominal pain

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

  • agitated feeling or trouble sleeping
  • loss of balance
  • shallow, irregular breathing
  • chest pain
  • 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
  • signs of kidney damage (such as change in urine color or bubbly urine)
  • uncontrollable movement of face, tongue, arms or legs
  • muscle aches, spasms or abnormal movements
  • muscle trembling or weakness
  • ringing in the ears
  • seizures
  • shakiness
  • sweating
  • unusual or unexplained tiredness or weakness
  • urinating less often
  • 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.

 
 

PeaceHealth endeavors to provide comprehensive health care information, however some topics in this database describe services and procedures not offered by our providers or within our facilities because they do not comply with, nor are they condoned by, the ethics policies of our organization.