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Guaifenesin, Phenylephrine Hydrochloride Oral solution

An upper respiratory combination - It is used to provide relief from cough and congestion

Generic Name: guaifenesin-phenylephrine  |  Brand Name: Simuc

What is this medicine?

GUAIFENESIN; PHENYLEPHRINE (gwye FEN e sin; fen il EF rin) is a expectorant, decongestant combination. It is used to provide relief from cough and congestion. This medicine will not treat an infection.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of the following conditions:

How should I use this medicine?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take it more medicine than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.

Patients over 65 years old may have a stronger reaction to this medicine and need smaller doses.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

This medicine may also interact with the following medications:

  • indomethacin
  • mecamylamine
  • medicines for chest pain, heart disease, high blood pressure, or heart rhythm problems
  • medicines for depression, anxiety, or psychotic disturbances
  • methyldopa
  • other medicines for allergies or colds
  • reserpine
  • some medicines used during surgery

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Tell your doctor or health care professional if your symptoms do not start to get better within 5 days or if they get worse. If you have trouble falling asleep at night, take the last dose of the day at least a few hours before bedtime.

Drink 6 to 8 glasses water daily while you are taking this medicine to help loosen mucus.

Last Updated: April 29, 2009
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