What is Chest Congestion Relief PE: Uses, Warnings & Interactions

Your doctor will tell you how much medicine to use. Do not use more than directed.

Follow the instructions on the medicine label if you are using this medicine without a prescription.

You may take your medicine with food or milk to avoid stomach upset.

To help loosen mucus or phlegm in the lungs, drink a glass of water after taking this medicine.

This medicine may make you restless. If you have trouble sleeping, take your medicine well before bedtime.

Chew the chewable tablet thoroughly before you swallow it, or you may let the chewable tablet melt slowly in your mouth. If you use any other kind of tablet or capsule, swallow it whole. Do not crush, break, or chew, unless the directions say you may break or open it.

Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the medicine before using it.

Swallow the capsule or tablet whole. Do not crush, break, or chew it.

Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

You may take this medicine with food if it upsets your stomach.

Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

Oral routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

You should not use this medicine if you have ever had an allergic reaction to any decongestant or cough medicine. You should not use this medicine if you have taken an MAO inhibitor such as Nardil®, Marplan®, Eldepryl®, or Parnate® within the past 14 days. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

You should not use this medicine if you have had an allergic reaction to guaifenesin or phenylephrine, or to other cold medicines, diet pills, or medicines to treat asthma, bronchitis, or attention deficit disorder. You should not use this medicine if you have used an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate® within the past 14 days. You should not use this medicine if you have high blood pressure, heart or blood vessel disorders, or overactive thyroid. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

Children may be more sensitive to this medicine than adults, especially if too much medicine is used. Always read medicine labels closely and give your child the right amount. If you are not sure how much medicine to use, ask your pharmacist.

If you are pregnant or breastfeeding, talk to your doctor before using this medicine.

Before using this medicine, let your doctor know if you have heart disease, asthma, high blood pressure, diabetes, liver disease, glaucoma, disorder of the urinary tract, or an overactive thyroid.

This medicine might contain phenylalanine (aspartame). This is only a concern if you have a disorder called phenylketonuria (a problem with amino acids). Talk to your doctor before using this medicine.

This medicine might contain alcohol or sodium (salt). If you are not sure what is in the medicine and you are concerned, ask your pharmacist.

Unusual weakness, tremors, or shaking.

Shallow breathing, pale skin.

Seizure, hallucinations, vomiting.

No improvement in your symptoms after using the medicine for 7 days.

Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Do not give this medicine to a child under 12 years of age, unless your doctor tells you to.

Older adults may be more likely to have side effects from this medicine.

Tell your doctor if you have diabetes, thyroid problems, high blood pressure, glaucoma, an enlarged prostate, or a history of heart disease.

Make sure your doctor knows if you are pregnant or breastfeeding.

Make sure your doctor knows if you are also using medicine to lower your blood pressure. It may not work properly if you also use a decongestant/expectorant.

Avoid using diet pills (Accutrim®, Dexatrim®) while using this medicine.

You should not use with an MAO inhibitor (Nardil®, Marplan®, Eldepryl®, or Parnate®).

This medicine might contain alcohol or sodium (salt). If you are not sure what is in the medicine and you are concerned, ask your pharmacist.

Children may be more sensitive to this medicine than adults, especially if too much medicine is used. Always read medicine labels closely and give your child the right amount. If you are not sure how much medicine to use, ask your pharmacist.

Do not give this medicine to a child under 12 years of age, unless your doctor tells you to.

Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Make sure your doctor knows if you are also using a beta-blocker such as atenolol, labetalol, metoprolol, propranolol, timolol, Inderal®, or Toprol®. Tell your doctor if you are using digoxin (Lanoxin®), guanethidine (Ismelin®), mecamylamine (Inversine), methyldopa (Aldomet®), or reserpine. Your doctor should know if you use medicine for depression such as amitriptyline, doxepin, nortriptyline, Elavil®, Pamelor®, or Sinequan®.

Tell your doctor if you have diabetes, thyroid problems, high blood pressure, glaucoma, an enlarged prostate, or a history of heart disease.

Older adults may be more likely to have side effects from this medicine.