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Geri-Tussin DM
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
What is Geri-Tussin DM?
Geri-Tussin DM is a combination medicine that helps treat cough and chest congestion caused by allergies, the common cold, or the flu.
Geri-Tussin DM 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 Geri-Tussin DM?
Use exactly as directed on the label, or as your doctor prescribed. Cold or cough medicine is meant for short-term use only.
Your dose might change if you switch to a different brand, strength, or form of this medicine. To avoid mistakes, use exactly as directed on the label, or as your doctor prescribed.
Do not give this medicine to a child without medical advice. Follow all directions when giving this medicine to a child. Do not use this medicine to make a child sleepy. Misuse of this medicine can lead to death in very young children.
Measure liquid medicine with the measuring device that came with it (not a kitchen spoon).
You may need to shake the liquid before measuring a dose. Follow all directions 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 immediately. Add more water to the glass, swirl, and drink.
Sprinkle the granules directly onto your tongue and swallow immediately.
Drink extra fluids to help loosen congestion and keep your throat moist while taking this medicine.
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 provided with this medicine. Your pharmacist can give you more information about 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
You should not take Geri-Tussin DM if you are allergic to it.
Do not use Geri-Tussin DM 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.
Ask a doctor or pharmacist if this medicine is safe to use if you have:
- a cough with mucus; or
- asthma, 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.
Geri-Tussin DM 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.
Geri-Tussin DM may lead to serious side effects. Stop using Geri-Tussin DM and contact your doctor immediately if you experience:
- mood changes;
- severe headache; or
- severe dizziness or anxiety, feeling like you might faint.
Common side effects of Geri-Tussin DM may include:
- dizziness, drowsiness;
- trouble sleeping (insomnia);
- diarrhea; or
- feeling nervous, restless, anxious, or irritable.
This is not a complete list of side effects, and others may happen. Contact your doctor for medical advice regarding side effects. You can report side effects to the FDA at 1-800-FDA-1088.
This section was rewritten for readability and reviewed for meaning.
What happens if I miss a dose?
Geri-Tussin DM can be used as needed. If you miss a dose while on a dosing schedule, just skip that 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 help or call the Poison Help line at 1-800-222-1222.
Do not drive or engage in hazardous activities until you understand how Geri-Tussin DM will affect you. Your reactions may be impaired.
Ask a doctor or pharmacist before using other cough or cold medicines that may have similar ingredients.
Drinking alcohol with this medicine can lead to side effects.
This section was rewritten for readability and reviewed for meaning.
What other drugs will affect Geri-Tussin DM?
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). 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 included here.
This section was rewritten for readability and reviewed for meaning.
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Content is provided for education and is not medical advice. See our medical disclaimer.