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Generic name: guaifenesin and phenylephrine [gwye-FEN-e-sin-and-FEN-il-EFF-rin]
The brand names are: Aldex G, Deconex IR, Gilphex TR, Giltuss Sinus and Congestion, Maxi-Tuss PE Jr., etc. display the 25 brands
Classification of drugs: upper respiratory combinations

What is Supress-PE?

There are a variety of varieties and brands of guaifenesin and phenylephrine available, and not all of them are included in this leaflet. Guaifenesin can be described as an expectorant. It can help ease congestion in the throat and chest, making the process easier for you to cough out with your mouth. Phenylephrine, a decongestant, reduces blood vessels within those nasal passages. Blood vessels that are dilated can cause the nasal passages to become congested (stuffy nasal congestion).

Supress-PE is a mixture medicine that treats sinus congestion and stuffy noses and also lessens chest congestion caused by commonly-assisted flu. Supress-PE can also be employed for other purposes that are not covered in this guideline.

Side Effects of Supress-PE

See a doctor immediately. If you are experiencing warning signs of an allergic response, such as symptoms of hives, difficulty breathing, and swelling of your lips, face, and tongue,

Supress-PE could cause severe adverse reactions. Stop using the Supress-PE drug and consult your physician immediately in the event that you experience:

  • Fast, pounding, or uneven heartbeat; or
  • Extreme anxieties, anxiety, or

Common negative effects of Supress-PE include:

  • Dry the nose, mouth, or throat;
  • Uneasy stomach and loss of appetite; nausea;
  • Getting excited or feeling anxious (especially when it is a child);
  • Sleep problems (insomnia); or
  • Headache, dizziness.

This is not a comprehensive list of possible side effects, and other side effects could be present. Contact your physician to seek medical advice on adverse effects. You can report any symptoms to the FDA at 1-800-FDA-1088.


Don't give medicine to children less than 4 years old. Always consult a doctor prior to giving a cold or cough medicine to children. Death can occur due to the improper use or misuse of cough and cold medications in very young children.

Before you start taking this medicine

It is not recommended to use Supress-PE if you are sensitive to it. Don't use Supress-PE. If you've used an MAO inhibitor in the last 14 days. A potentially dangerous interaction between drugs could occur. MAO inhibitors are isocarboxazid rasagiline, phenelzine, linezolid selegiline, tranylcypromine, and selegiline.

Consult a physician or pharmacist to determine if it's safe for you to be taking this drug if you are suffering from:

  • High blood pressure, heart disease, coronary artery disease;
  • Diabetes;
  • Issues with circulation
  • Glaucoma;
  • Hyperactive thyroid or
  • An increased prostate or urinary problem.

It is unclear whether this medication is dangerous to a baby who is not yet born. Do not take Supress-PE without a medical consultation if you are expecting.

Guaifenesin, as well as phenylephrine, could get through breastmilk and cause harm to a nursing infant. Decongestants could also reduce the production of breast milk. Do not take this medication without medical advice when you are breastfeeding infants. Artificially sweetened liquid medicines could contain phenylalanine. Make sure to check the label on your medication for the presence of phenylketonuria (PKU).

How do I take Supress-PE?

Follow the directions on the label or as directed by your physician. Avoid using in larger quantities, in smaller amounts, or for longer periods than prescribed. Cold or cough medicine is usually only used for a brief period of time until symptoms improve.

Do not give this medicine to children who are less than four years old. Always consult a physician prior to giving cold or cough medicine to young children. Death can occur because of the misuse of cold or cough medicines by very young children. Measure the amount of liquid medicine using the dosing syringe that comes with it or a dosing spoon or medicine cup. If you do not own a device for measuring doses, you can ask your pharmacist for one.

Do not chew, crush, break, open, or crush the extended-release capsule or tablet. Suck it up whole. Drink more fluids to alleviate congestion and lubricate your throat while taking this medicine. Contact your physician if your symptoms don't improve after seven days of medication or if you suffer from a fever, headache, cough, or itchy skin. moisture.

What happens if I miss a dose?

Since Supress-PE can be taken as needed, you may not be on a regular dosing schedule. If you're taking the medication on a regular basis, make sure to take your missed dose immediately when you remember. Don't miss your missed dosage if it's nearing the time for the next dose. Don't take any extra medication to make up for the missed dose.

What happens when I consume too much?

For medical emergencies, seek emergency medical attention or contact the Poison Help line at 1-800-222-1222.

What should be avoided?

This medication can affect your ability to think or react. Be aware if you are driving or engaging in any activity that requires you to be aware. Drinking alcohol can trigger certain adverse effects of guaifenesin or phenylephrine. Consult a physician or pharmacist prior to using any other cold, cough, or allergy medication. Supress-PE is a component of many combinations of medicines. Combining certain medications could cause you to take excessive amounts of a specific medication.

Interaction with other drugs

Talk to your doctor or pharmacist before taking Supress-PE if you're taking other medications such as prescription and over-the-counter drugs, vitamins, and herbal products. Certain medicines may cause undesirable or even dangerous reactions when taken together. Some interactions may not be included in this guideline for medications.

If you take this medicine in conjunction with other medications that make you sleepy or cause you to breathe slower, this could make these effects worse. Talk to your doctor prior to taking Supress-PE along with sleeping pills, opioid pain medication such as muscle relaxers, or medicines to treat anxiety, depression, or seizures.