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Giltuss Cough and Cold

Generic name: dextromethorphan, guaifenesin, and phenylephrine

Brand names: Broncotron Ped, Children Giltuss Cough and Cold, Deconex DMX, Desgen DM (Phenylephrine), Desgen Pediatric, Giltuss Cough and Cold, Giltuss TR, G-Supress DX, G-Tron Ped, G-Tusicof, Mucinex Children's Congestion and Cough Very Berry, Mucinex Children's FreeFrom Multi-Symptom Cold Stuffy Nose, Mucinex Children's Multi-Symptom Cold, Mucinex Fast-Max Severe Congestion and Cough, Mucinex Fast-Max Severe Congestion and Cough Clear and Cool, Mucinex FreeFrom Severe Congestion and Cough, Nivanex DMX, Pre

Used for common cold
Last updated November 2, 2026 0 views
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What is Giltuss Cough and Cold?

Giltuss Cough and Cold is a combination medicine that helps relieve cough, stuffy nose, and chest congestion caused by allergies, the common cold, or the flu.

Giltuss Cough and Cold may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Giltuss Cough and Cold?

Use this medicine exactly as directed on the label, or as prescribed by your doctor. Cold or cough medicine is meant for short-term use only.

Your dose may need to change if you switch to a different brand, strength, or form of this medicine. To avoid medication mistakes, use it exactly as directed on the label or as prescribed by your doctor.

Do not give this medicine to a child without getting medical advice first. Follow all instructions when giving this medicine to a child. Do not use this medicine to make a child sleepy. Misusing this medicine can cause death in very young children.

Swallow the tablet whole; do not crush, chew, or break it.

Measure liquid medicine using the provided measuring device (not a kitchen spoon).

Drink extra fluids to help loosen congestion and soothe your throat while taking this medication.

Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.

Follow the storage instructions that come with this medicine. Your pharmacist can give you more information on how to store this medicine.

This section was rewritten for readability and reviewed for meaning.

Warnings

Do not use this medicine if you are currently using or have used an MAO inhibitor in the last 14 days. A serious drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

Do not use this medicine if you are using or have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

  • heart disease, high blood pressure;
  • diabetes;
  • a thyroid disorder;
  • urination problems due to an enlarged prostate;
  • glaucoma;
  • epilepsy or other seizure disorder; or
  • cough with mucus, or cough caused by emphysema or chronic bronchitis.

This medicine may contain phenylalanine and could be harmful if you have phenylketonuria (PKU).

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

This section was rewritten for readability and reviewed for meaning.

Giltuss Cough and Cold side effects

Get emergency medical help if you notice signs of an allergic reaction: hives, trouble breathing, swelling of your face, lips, tongue, or throat.

This medicine may cause serious side effects. Stop using this medicine and call your doctor right away if you experience:

  • little or no urination;
  • fast or slow heartbeats;
  • confusion, dizziness, feeling unsteady;
  • nervousness, trouble sleeping (insomnia);
  • severe nausea or vomiting;
  • severe headache, blurred vision, pounding in your neck or ears;
  • slow breathing; or
  • unusual changes in mood or behavior.

Common side effects of Giltuss Cough and Cold may include:

  • diarrhea, constipation;
  • dizziness, drowsiness;
  • trouble sleeping (insomnia); or
  • feeling nervous, restless, or irritable.

This is not a complete list of side effects and others may happen. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Giltuss Cough and Cold is used as needed. If you miss a dose while on a dosing schedule, skip the missed dose. Do not take two doses at the same time.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

  • Avoid driving or doing anything dangerous until you know how this medicine will affect you. Your reactions could be impaired.
  • Drinking alcohol with this medicine can cause side effects.
  • Ask a doctor or pharmacist before taking other cough or cold medicines that may contain similar ingredients.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Giltuss Cough and Cold?

Ask a doctor or pharmacist before using any other medicines that can make you feel drowsy (like opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Inform your doctor about all other medicines you are taking. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are mentioned here.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.