For cough.
Brand Name(s): Allfen CDX, Brontex
Generic Name: Codeine/Guaifenesin
Instructions
You may take with food to prevent stomach upset.
Keep the medicine at room temperature. Avoid heat and direct light.
Drink plenty of water while on this medicine.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
Contact your doctor if your symptoms do not improve or worsen after 5 days of using this medicine.
You may stop using this medicine if you no longer have symptoms.
Cautions
Do not use in children younger than 18. Some children using this medicine had serious side effects or died. Ask your doctor about the risks and benefits of this medicine.
This medicine has an opioid. Opioids help many people but may cause addiction, especially if used for a long time. The addiction risk is higher if you have a substance use disorder (overuse of or addiction to drugs or alcohol). Ask your doctor about the benefits and risks.
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.
Do not use the medication any more than instructed.
This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.
If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.
Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.
This medicine passes into breast milk. Ask your doctor before breastfeeding.
This medicine can hurt a new baby in the womb. If you become pregnant while on this medicine, tell your doctor immediately. Your doctor may switch you to a different medicine.
This medicine should be used with caution in patients with breathing difficulties.
Call your doctor right away if you notice slow or shallow breathing.
Do not share this medicine with anyone who has not been prescribed this medicine.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
- agitated feeling or trouble sleeping
- constipation
- dizziness or drowsiness
- headaches
- nausea
- nervousness
- stomach upset or abdominal pain
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- decreased awareness or responsiveness
- loss of balance
- breathing interruption during sleep
- shallow, irregular breathing
- changes in memory, mood, or thinking
- confusion
- fainting
- hallucinations (unusual thoughts, seeing or hearing things that are not real)
- fast or irregular heart beats
- seizures
- shakiness
- shortness of breath
- difficulty or discomfort urinating
- weakness
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
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More information about GUAIFENESIN/CODEINE - ORAL
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Selected from data included with permission and copyright by First DataBank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.
Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.
