"Feb. 8, 2013 -- With winter cold and flu season in full swing -- and a new strain of norovirus circulating -- everyone's trying to dodge the bugs. Norovirus causes intestinal illness, and it's often the root of outbreaks at schools and in nursing"...
Robitussin Ac Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Robitussin Ac (guaifenesin and codeine) is used to treat cough and to reduce chest congestion caused by upper respiratory infections or the common cold. Guaifenesin is an expectorant, and codeine is a narcotic. This medication is available in generic form. Common side effects include drowsiness, dizziness, lightheadedness, facial flushing, nausea, vomiting, or constipation.
Take Robitussin Ac by mouth with or without food, usually every 4 to 6 hours as needed with a full glass of water or as directed by your doctor. Robitussin Ac may interact with cimetidine, quinidine, naloxone, naltrexone, or other medicines that make you sleepy (such as allergy medicine, narcotics, sleeping pills, muscle relaxers, and seizure medicine, depression, or anxiety). Tell your doctor all medications you use. During pregnancy, Robitussin Ac should be used only if prescribed. It is not recommended during the last 3 months of pregnancy due to increased risk for serious side effects in a newborn baby (e.g., withdrawal symptoms such as irritability, abnormal/persistent crying, diarrhea, seizures). Tell the doctor if you notice symptoms in your newborn. This medication passes into breast milk and could have undesirable effects on a nursing infant. Consult your doctor before breast-feeding. The codeine in this medication may be habit-forming, and you may have withdrawal symptoms if you suddenly stop taking it.
Our Robitussin Ac (guaifenesin and codeine) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
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 is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Robitussin Ac in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop taking this medication and call your doctor at once if you have any of these serious side effects:
- severe dizziness or drowsiness;
- confusion, hallucinations, unusual thoughts or behavior;
- urinating less than usual or not at all; or
- slow heart rate, weak pulse, fainting, weak or shallow breathing.
Less serious side effects include:
- dizziness, drowsiness, headache;
- warmth, redness, or tingling under your skin;
- nausea, vomiting, upset stomach;
- constipation; or
- skin rash or itching.
Read the entire detailed patient monograph for Robitussin Ac (Guaifenesin and Codeine) »
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Robitussin Ac Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., confusion, hallucinations), fast/irregular heartbeat, slow/shallow breathing, trouble urinating.
Seek immediate medical attention if this rare but very serious side effect occurs: seizure.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other side effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Robitussin Ac (Guaifenesin and Codeine)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Robitussin Ac FDA Prescribing Information: Side Effects
No information provided.
Read the entire FDA prescribing information for Robitussin Ac (Guaifenesin and Codeine) »
Additional Robitussin Ac Information
Robitussin Ac - User Reviews
Robitussin Ac User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Find the secrets to longer life.