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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. List all 26 brands.
The class of drug: upper respiratory combinations

What is Nariz?

There are numerous varieties and brands of guaifenesin and phenylephrine available, and not all brands are mentioned in this leaflet.Guaifenesin can be described as an expectorant. It can help ease congestion in the throat, chest, and throat, making the process easier for you to exhale with your mouth.

Phenylephrine is a decongestant that shrinks blood vessels within the passages of the nasal airways. The blood vessels are dilapidated and can lead to nose congestion (stuffy nasal congestion).

Nariz is a combination medication that is used to treat nasal stuffiness and sinus congestion, as well as chest congestion caused by commonly-assisted flu.Nariz is also used for reasons not mentioned in this guideline.

Side effects of Nariz

Contact a medical professional immediately. Get medical attention immediately if you notice symptoms that are warning signs of an allergic response, such as difficulty breathing, hives, or swelling of your lips, face, or tongue.

Nariz may cause serious side effects. Take a break from Nariz and consult your physician immediately if you suffer from:

  • Fast, pounding, or uneven heartbeat;
  • Extreme anxiety or anxiousness.

Common adverse effects of Nariz can include:

  • Dry mouth, nose, or throat;
  • Uneasy stomach Loss of appetite loss of appetite, vomiting;
  • Being anxious or feeling anxious (especially children);
  • Sleep problems (insomnia);
  • Headache, dizziness.

This isn't a complete list of all the side effects. Others could happen. Contact your physician for advice regarding medical effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


Avoid giving this medicine to children who are younger than four years old. Always consult a doctor prior to giving a cold or cough medicine to children. In very young children, improper use of cough or cold medications can result in death.

Before you take this drug

It is not recommended to use Nariz if you are allergic to it.

Don't take Nariz. If you've had an MAO inhibitor within the past 14 days. An interaction that could be dangerous with drugsDo not take additional medication in order to cover missing doses. can be a possibility. MAO inhibitors comprise isocarboxazid linezolid, phenelzine and selegiline, rasagiline and the tranylcypromine.

Speak with a pharmacist or doctor 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;
  • Circulation issues;
  • Glaucoma;
  • Hyperactive thyroid
  • An increased prostate or urinary problem.

It is unknown whether this medication could be detrimental to the unborn baby. Do not take Nariz in the absence of medical consultation if you are expecting.

Guaifenesin as well as phenylephrine could get into breast milk and cause harm to a nursing infant. Decongestants can also affect the production of breast milk. Do not take this medication without a medical recommendation in the case of breastfeeding babies.

Artificially sweetened liquid medicines could contain phenylalanine. Make sure to check the label on your medication to determine if you suffer from phenylketonuria (PKU).

How to Take Nariz?

Follow the directions on the label or as recommended by your physician. Avoid using in larger quantities, in smaller amounts, or for a longer time than suggested. The medicine for a cold or cough is typically taken for a short period of time until symptoms improve.

Don't give this medication to children younger than four years old. Always consult a physician prior to giving cold or cough medicine to children. Death can occur because of the misuse of cold or cough medicines by very young children.

Take measurements of liquid medicines using the dosing syringe that comes with it, a specially designed dosing spoon, or a medicine cup. If you don't own a device for measuring doses, you can ask your pharmacist for one.

Don't crush, chew, break, open, or crush capsules or tablets with extended release. Take it in whole.Drink more fluids to ease congestion and smooth 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 that causes headaches, coughing, or the appearance of a skin eruption.Place it in a cool, dry place free of heat and moisture.

What happens If I miss a dose?

Because Nariz can be taken only when required, it is possible that you are not in a routine of taking it. If you're taking the medication on a regular basis, make sure to take your missed dose whenever you remember. Don't miss your missed dosage if you are nearing the time for the next scheduled dose. Do not take additional medication in order to cover missing doses.

What happens If I overdose?

Get medical attention in an emergency or contact the Poison Help line toll-free at 1-800-222-1222.

What should be avoided?

This medication can affect your ability to think or react. Be cautious if you drive or engage in activities that require your attention. aware.

Drinking alcohol can trigger the effects of guaifenesin as well as phenylephrine.

Talk to your doctor or pharmacist before taking any other cold, cough, or allergy medication. Nariz is a component of many combination medications. When you combine certain medications, it could result in you getting excessive amounts of a specific medication.

Interaction with other drugs

Talk to your doctor or pharmacist before taking Nariz when you are taking any other medication, whether prescription or over-the-counter, vitamins, or herbal products. Certain medicines may cause undesirable or even dangerous reactions when combined. Some interactions may not be included in this guideline for medications.

If you take this medicine in conjunction with other medications that cause you to sleep or cause breathing problems, this can increase the severity of these effects. Talk to your doctor prior to taking Nariz together with a sleeping medication, narcotic pain medication, muscle relaxer, or any other medication to treat anxiety, depression, or seizures.