This is not a complete list of possible side effects. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/ tongue/throat), severe dizziness, trouble breathing. Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as confusion, hallucinations), shaking (tremors), weakness, fast/slow/irregular heartbeat.Ī very serious allergic reaction to this drug is rare. Many people using this medication do not have serious side effects. If your doctor has prescribed this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects. If any of these effects last or get worse, contact your doctor or pharmacist promptly. These may be symptoms of a serious medical problem and should be checked by a doctor.ĭizziness, headache, nausea, nervousness, or trouble sleeping may occur. Inform your doctor if your condition lasts for more than 1 week, if it gets worse, or if it occurs with a headache that doesn't go away, a fever, or a rash. Do not increase your dose or take this medication more often than recommended by your doctor or the package instructions without your doctor's approval. Improper use of this medication (abuse) may result in serious harm (such as brain damage, seizure, death). The dosage is based on your age, medical condition, and response to therapy. Doing so can destroy the long action of the drug and may increase side effects.
Do not crush or chew the tablets or capsules. If you are using sustained-release tablets or capsules, swallow the medication whole. If your liquid form is a suspension, shake the bottle well before each dose. If you are using the liquid form, use a medication measuring device to carefully measure the prescribed dose. This medication can be taken with food if stomach upset occurs. The fluid will help loosen the mucus in your lungs. Drink plenty of fluids when you use this medication unless otherwise directed by your doctor. Follow the directions for dosing on the label, or take as directed by your doctor. Take the tablet, capsule, or liquid form by mouth with or without food. If your doctor has prescribed this medication, take it as directed. If you have any questions, consult your pharmacist. If you are taking the over-the-counter product, read all directions on the product package before taking this medication. Ask the doctor or pharmacist about other ways to relieve cough and cold symptoms (such as drinking enough fluids, using a humidifier or saline nose drops/spray). Do not give other cough-and-cold medication that might contain the same or similar ingredients (see also Drug Interactions section).
Do not use this product to make a child sleepy. To decrease the risk for serious side effects, carefully follow all dosage directions. Ask your doctor or pharmacist for more details about using your product safely.These products do not cure or shorten the length of the common cold and may cause serious side effects. Some products (such as long-acting tablets/capsules) are not recommended for use in children younger than 12 years. Do not use this product to treat cold symptoms in children younger than 6 years unless specifically directed by the doctor. This product also contains a decongestant, which helps relieve stuffy nose symptoms.This medication is usually not used for ongoing coughs from smoking, asthma, other long-term breathing problems (such as emphysema), or coughs with a lot of mucus, unless directed by your doctor.Cough-and-cold products have not been shown to be safe or effective in children younger than 6 years. Dextromethorphan is a cough suppressant that affects a certain part of the brain ( cough center), reducing the urge to cough. Guaifenesin is an expectorant that helps to thin and loosen mucus in the lungs, making it easier to cough up the mucus. This combination medication is used to temporarily treat cough, chest congestion, and stuffy nose symptoms caused by the common cold, flu, allergies, hay fever, or other breathing illnesses (such as sinusitis, bronchitis).
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