chlorpheniramine and dextromethorphan
Pronunciation: klor feh NEER a meen and DEX troe meh THOR fan
Brand: Children's NyQuil Cold & Cough, Coricidin HBP Cough & Cold, Dimetapp Long Acting Cough Plus Cold, Robitussin Pediatric Cough & Cold Long-Acting, Scot-Tussin Sugar Free DM, Triaminic Cough & Runny Nose
What is the most important information I should know about chlorpheniramine and dextromethorphan?
Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
Do not use cough or cold medicine to make a child sleepy.
What is chlorpheniramine and dextromethorphan?
Chlorpheniramine is an antihistamine. Dextromethorphan is a cough suppressant.
Chlorpheniramine and dextromethorphan is a combination medicine used to treat sneezing, runny nose, and cough caused by the common cold.
Chlorpheniramine and dextromethorphan may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking chlorpheniramine and dextromethorphan?
Do not use this medicine if you 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, rasagiline, selegiline, tranylcypromine, and others.
You should not use this medicine if you are allergic to chlorpheniramine or dextromethorphan.
Ask a doctor or pharmacist if this medicine is safe to use if you have:
- glaucoma;
- an enlarged prostate;
- urination problems; or
- a cough with mucus, or cough caused by smoking, asthma, emphysema, or chronic bronchitis.
Ask a doctor before using this medicine if you are pregnant or breastfeeding.
This medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).
How should I take chlorpheniramine and dextromethorphan?
Use exactly as directed on the label, or as prescribed by your doctor. Cough or cold medicine is only for short-term use until your symptoms clear up.
Always follow directions on the medicine label about giving cough or cold medicine to a child. Do not use the medicine only to make a child sleepy. Death can occur from the misuse of cough or cold medicines in very young children.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
You must chew the chewable tablet before you swallow it.
Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.
If you need surgery or medical tests, tell your surgeon or doctor if you are currently using this medicine.
Store at room temperature away from moisture and heat. Do not freeze.
What happens if I miss a dose?
Since cough or cold medicine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking chlorpheniramine and dextromethorphan?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Avoid drinking alcohol while taking this medicine.
Ask a doctor or pharmacist before using other cough or cold medicines that may contain similar ingredients.
What are the possible side effects of chlorpheniramine and dextromethorphan?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using this medicine and call your doctor at once if you have severe drowsiness.
Side effects such as dry mouth, constipation, and confusion may be more likely in older adults.
Common side effects may include:
- dizziness, drowsiness;
- dry mouth, nose, or throat;
- constipation;
- blurred vision; or
- feeling restless or excited (especially in a child).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect chlorpheniramine and dextromethorphan?
Avoid using this medicine with other drugs that cause drowsiness or slow your breathing (such as opioid medicine, a muscle relaxer, or medicine for anxiety or seizures). Ask a doctor or pharmacist before using any other medication, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed in this medication guide.
Where can I get more information?
Your pharmacist can provide more information about chlorpheniramine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2023 Cerner Multum, Inc. Version: 6.02. Revision date: 6/6/2019.
This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.