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- What Is Guaifenesin?
- Warnings
- Before Taking This Medicine
- How Should I Take Guaifenesin?
- Dosing Information
- What Happens If I Miss A dose?
- What to Avoid
- Guaifenesin Side Effects
- What Other Drugs Will Affect Guaifenesin ?
- Popular FAQ
Guaifenesin is an ingredient in cough and cold medicinesthat is used to help clear mucus or phlegm from your chest when you have had a cold or flu. Guaifenesin works by making your mucus thinner and easier to cough up, which helps clear chest congestion. Guaifenesin is available as an over-the-counter (OTC) medicine and also available on prescripti...
You should not use this medicine if you are allergic to guaifenesin. Use this medicine exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended. Guaifenesin is commonly found as part of over-the-counter combination medications for cold and cough. Read labels or ask a doctor or...
Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, such as liver disease, kidney disease, or phenylketonuria (PKU). It is not known whether guaifenesin will harm an unborn baby. Ask a doctor before using this medicine if you are pregnant. It is not known whether guaifenesin passes into breast...
Use guaifenesin exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cough medicine is usually taken only for a short time until your symptoms clear up. Take guaifenesin with food if it upsets your stomach. Measure liquid medicine with the dosing syringe provided,...
Usual Adult Dose for Cough: Immediate release formulation: 200 to 400 mg orally every 4 hours as needed, not to exceed 2.4 g/day Sustained release formulation: 600 to 1200 mg orally every 12 hours, not to exceed 2.4 g/day Usual Pediatric Dose for Cough: Immediate release formulation: less than 2 years: 12 mg/kg/day orally in 6 divided doses 2 to 5 ...
Since cough or cold medicine is taken when needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Ask a doctor or pharmacist before using any other cold, or cough medicine. Many combination medicines contain guaifenesin. Taking certain products together can cause you to get too much of a certain drug. Check the label to s...
Get emergency medical help if you have signs of an allergic reaction to guaifenesin: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Common guaifenesin side effects may include: 1. dizziness, headache; 2. drowsiness; 3. rash; or 4. nausea, vomiting, stomach upset. This is not a complete list of side effects and others ma...
Other drugs may interact with 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.
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