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Tusnel Diabetic

Generic name: dextromethorphan and guaifenesin

Brand names: Alka-Seltzer Plus Maximum Strength, Children Giltuss Cough and Chest Congestion, Children's Delsym Cough+Chest Congest DM, Children's Robitussin Cough and Chest Congestion DM, Coricidin HBP Chest Congestion and Cough, Delsym Cough Plus Chest Congestion DM, Diabetic Tuss DM Maximum Strength, Fenesin DM IR, Geri-Tussin DM, Giltuss Cough and Chest Congestion, Giltuss Diabetic Cough and Cold, Guaiasorb DM, G-Zyncof, Kindermed Kids' Cough and Congestion, Max Tussin Cough + Chest Congestion DM, Max Tu

Used for common cold
Last updated November 3, 2026 0 views
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What is Tusnel Diabetic?

Tusnel Diabetic is a combination medicine that helps treat cough and chest congestion caused by allergies, the common cold, or the flu.

Tusnel Diabetic may also be used for other purposes not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Tusnel Diabetic?

Use this medicine exactly as it says on the label or as your doctor prescribes. Cold or cough medicine is meant for short-term use only.

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

Do not give this medicine to a child without checking with a doctor first. Follow all instructions when giving this medicine to a child. Do not use the medicine to make a child sleepy. Misusing this medicine can cause death in very young children.

Use the measuring device that comes with the liquid medicine (not a kitchen spoon) to measure your dose.

You may need to shake the liquid before measuring a dose. Follow all instructions on the label.

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

Dissolve the effervescent tablets in at least 4 ounces of water. Stir and drink it right away. You can add more water to the glass, swirl, and drink.

Sprinkle the granules directly on your tongue and swallow right away.

Drink extra fluids to help break up the congestion and keep your throat moist while taking this medicine.

Call your doctor if your symptoms do not get better 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 it.

This section was rewritten for readability and reviewed for meaning.

Warnings

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 occur. 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

You should not take Tusnel Diabetic if you are allergic to it.

Do not use Tusnel Diabetic if you are taking or have taken an MAO inhibitor in the last 14 days. A dangerous interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

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

  • a cough with mucus; or
  • asthma, emphysema, or chronic bronchitis.

This medicine may have 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.

Tusnel Diabetic side effects

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

Tusnel Diabetic may cause serious side effects. Stop using Tusnel Diabetic and call your doctor right away if you have:

  • mood changes;
  • severe headache; or
  • severe dizziness or anxiety, feeling like you might faint.

Common side effects of Tusnel Diabetic may include:

  • dizziness, drowsiness;
  • sleep problems (insomnia);
  • diarrhea; or
  • feeling nervous, restless, anxious, 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 can 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?

Tusnel Diabetic is used as needed. If you have a dosing schedule and miss a dose, just skip it. 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 hazardous activity until you know how Tusnel Diabetic will affect you. Your reactions could be impaired.
  • Ask a doctor or pharmacist before taking other cough or cold medicines that may contain similar ingredients.
  • Drinking alcohol with this medicine can cause side effects.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Tusnel Diabetic?

Ask a doctor or pharmacist before using any other medicines that can make you sleepy (like opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Tell 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 listed 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.