Guaifenesin AC Liquid
Generic Name: codeine and guaifenesin (KOE deen and gwye FEN a sin)
Brand Name: Allfen CD, Cheracol with Codeine, Cheratussin AC, Codar GF, Duraganidin NR, ExeClear-C, Guaiatussin AC, Iophen-C NR, Mar-cof CG, M-Clear, Mytussin AC, Relcof C
What is Guaifenesin AC Liquid (codeine and guaifenesin)?
Codeine is a narcotic cough suppressant. It affects the signals in the brain that trigger cough reflex.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.
Codeine and guaifenesin is a combination medicine used to treat cough and chest congestion caused by allergies, the common cold, or the flu.
This medicine will not treat a cough that is caused by smoking, asthma, or emphysema.
Codeine and guaifenesin may also be used for purposes not listed in this medication guide.
What is the most important information I should know about Guaifenesin AC Liquid (codeine and guaifenesin)?
Codeine can slow or stop your breathing. Never use this medicine in larger amounts, or for longer than prescribed. Codeine may also be habit-forming. Never share this medicine with another person. MISUSE OF NARCOTIC MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH.
Medicines that contain codeine should not be given to a child just after surgery to remove the tonsils or adenoids. Get emergency medical help if a child taking this medicine has breathing problems, blue lips, or severe drowsiness, or if you cannot wake the child up from sleep.
What should I discuss with my healthcare provider before taking Guaifenesin AC Liquid (codeine and guaifenesin)?
You should not take this medicine if you are allergic to codeine or guaifenesin.
Always ask a doctor before giving codeine and guaifenesin to a child. Death can occur from the misuse of cough and cold medicines in very young children. Medicines that contain codeine should not be given to a child just after surgery to remove the tonsils or adenoids.
In some people, codeine breaks down rapidly in the liver and reaches higher than normal levels in the body. This can cause dangerously slow breathing and may cause death, especially in a child.
To make sure codeine and guaifenesin is safe for you, tell your doctor if you have:
a cough with mucus;
asthma, COPD, or other breathing disorder;
blockage in your digestive tract (stomach or intestines);
a history of head injury or brain tumor;
low blood pressure; or
a history of drug or alcohol addiction.
It is not known whether this medicine will harm an unborn baby. If you use codeine while you are pregnant, your baby could become dependent on the drug. This can cause life-threatening withdrawal symptoms in the baby after it is born. Babies born dependent on habit-forming medicine may need medical treatment for several weeks. Tell your doctor if you are pregnant or plan to become pregnant.
Codeine can pass into breast milk and may harm a nursing baby. The use of codeine by some nursing mothers may lead to life-threatening side effects in the baby. Decongestants may also slow breast milk production. Do not use this medicine without telling your doctor if you are breast-feeding a baby.
How should I take Guaifenesin AC Liquid (codeine and guaifenesin)?
Follow all directions on your prescription label. Codeine can slow or stop your breathing. Never use codeine and guaifenesin in larger amounts, or for longer than prescribed. Cough or cold medicine is usually taken only for a short time until your symptoms clear up.
Codeine may be habit-forming, even at regular doses. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. MISUSE OF NARCOTIC MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription. Selling or giving away codeine is against the law.
Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache or skin rash.
Store at room temperature away from moisture and heat. Do not freeze. Keep track of the amount of medicine used from each new bottle. Codeine is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
What happens if I miss a dose?
Since codeine and guaifenesin is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. A codeine overdose can be fatal, especially in a child or other person using the medicine without a prescription. Overdose symptoms may include slow breathing and heart rate, severe drowsiness, muscle weakness, cold and clammy skin, pinpoint pupils, and fainting.
What should I avoid while taking Guaifenesin AC Liquid (codeine and guaifenesin)?
This medicine may impair your thinking or reactions. Avoid driving or operating machinery until you know how this medicine will affect you. Dizziness or severe drowsiness can cause falls or other accidents.
Avoid drinking alcohol while you are taking this medication.
Ask a doctor or pharmacist before using any other cough or cold medicine. Many combination medicines contain guaifensin. Taking certain products together can cause you to get too much of this medicine.
Guaifenesin AC Liquid (codeine and guaifenesin) side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Get emergency medical help if a child taking this medicine has breathing problems, blue lips, or severe drowsiness, or if you cannot wake the child up from sleep.
Stop using this medicine and call your doctor at once if you have:
severe dizziness or drowsiness;
confusion, hallucinations, unusual thoughts or behavior;
little or no urinating;
severe constipation; or
slow heart rate, weak or shallow breathing.
Side effects may be more likely in older adults.
Common side effects may include:
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.
See also: Side effects (in more detail)
What other drugs will affect Guaifenesin AC Liquid (codeine and guaifenesin)?
Taking this medicine with other drugs that make you sleepy or slow your breathing can cause dangerous or life-threatening side effects. Ask your doctor before taking codeine and guaifenesin with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.
Other drugs may interact with codeine and guaifenesin, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
More about codeine/guaifenesin
Related treatment guides
Where can I get more information?
- Your pharmacist can provide more information about codeine and guaifenesin.
- 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.
- Disclaimer: 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 1996-2012 Cerner Multum, Inc. Version: 7.01. Revision Date: 2015-10-22, 9:17:50 AM.