Guaifen DAC

Codeine is a narcotic cough suppressant. It affects the signals in the brain that cause you to cough.

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough it out.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. When blood vessels are expanded, it can lead to nasal congestion (a stuffy nose).

Guaifen DAC is a combination medicine used to treat cough, stuffy nose, and sinus congestion caused by allergies, the common cold, or the flu.

Guaifen DAC will not treat a cough caused by smoking, asthma, or emphysema.

Guaifen DAC may also be used for reasons not mentioned in this medication guide.

Follow all directions on your prescription label. Codeine can slow or stop your breathing. Never use Guaifen DAC 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 Guaifen DAC 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.

Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.

Do not take for longer than 7 days in a row. 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.

If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken a cough or cold medicine within the past few days.

Store at room temperature away from moisture and heat.

Keep track of your medicine. Codeine is a drug of abuse, and you should be aware if anyone is using your medicine improperly or without a prescription.

Codeine can slow or stop your breathing and may lead to addiction. MISUSE OF Guaifen DAC CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or anyone using the medicine without a prescription.

This medicine is not meant for anyone under 18.

Using this medicine during pregnancy may lead to life-threatening withdrawal symptoms in the newborn.

Serious side effects can happen if you take this medicine with alcohol or with other drugs that cause drowsiness or slow your breathing.

You should not use this medicine if you are allergic to codeine, guaifenesin, or pseudoephedrine.

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous interaction with this medicine could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

In some people, codeine breaks down quickly in the liver and can reach higher than normal levels in the body. This can cause very slow breathing and may lead to death, especially in a child.

Do not give this medicine to anyone younger than 18 years old.

To ensure this medicine is safe for you, tell your doctor if you have ever had:

• asthma, COPD, or other breathing disorders;
• a cough with mucus;
• heart disease, high blood pressure;
• a stroke, or a blood vessel disorder;
• drug or alcohol addiction;
• glaucoma;
• liver or kidney disease;
• a blockage in your stomach or intestines;
• a head injury, brain tumor, or seizure;
• diabetes;
• Addison's disease (a disorder of the adrenal glands);
• a thyroid disorder; or
• an enlarged prostate and urination problems.

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 birth. 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.

Do not breast-feed. Codeine can pass into breast milk and may cause drowsiness, breathing problems, or death in a nursing baby.

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

Like other narcotic medications, codeine can slow your breathing. Death may happen if breathing becomes too weak.

A person caring for you should seek emergency medical attention if you have slow breathing with long pauses, blue lips, or if you are difficult to wake up.

Stop taking this medicine and call your doctor right away if you have:

• noisy breathing, sighing, shallow breathing;
• severe drowsiness, hallucinations;
• fast, slow, or uneven heart rate;
• a seizure;
• nervousness, tremors; or
• little or no urination.

Serious side effects may be more likely in older adults and those who are overweight, malnourished, or weak.

Common side effects of Guaifen DAC may include:

• dizziness, drowsiness, weakness;
• headache;
• nausea, constipation;
• sleep problems (insomnia); or
• feeling nervous, anxious, or restless.

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.

Since this medicine is taken as needed, you might not have a regular dosing schedule. If you are taking the medicine regularly and miss a dose, take it as soon as you remember. If it is nearly time for your next dose, skip the missed dose. Do not take extra medicine to compensate for the missed dose.

Seek emergency medical help or call the Poison Help line at 1-800-222-1222. A codeine overdose can be deadly, especially in a child or anyone using the medicine without a prescription. Symptoms of an overdose may include slow breathing and heart rate, severe drowsiness, confusion, hallucinations, cold and clammy skin, pinpoint pupils, and fainting.

Guaifen DAC may affect your thinking or reactions. Avoid driving or using machinery until you know how this medicine will affect you. Dizziness or severe drowsiness can lead to falls or other accidents.

Do not drink alcohol while taking any medicine that contains codeine. This could lead to dangerous side effects or even death.

Ask a doctor or pharmacist before using any other cold, allergy, or cough medicine. Many combination medicines have decongestants or cough suppressants. Taking certain products together can result in getting too much of a specific drug.

Ask a doctor or pharmacist before using this medicine if you are also using any other drugs, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can cause unwanted or dangerous effects when used together. Not all possible interactions are listed in this medication guide.

Taking Guaifen DAC with other drugs that make you sleepy or slow your breathing can cause dangerous side effects or death. Ask your doctor before taking a sleeping pill, narcotic pain medicine, prescription cough medicine, a muscle relaxer, or medicine for anxiety, depression, or seizures.