Guaifenesin
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Drug Status
Government Approvals
US(FDA), UK(BNF)
WHO Essential Medicine
NO
Known Teratogen
NO
Pharmaceutical Class
None
Controlled Drug Substance
NO
Guaifenesin
Summary
Guaifenesin is used to relieve chest congestion associated with colds, infections, or allergies by thinning mucus in the airways.
Guaifenesin works by thinning the mucus in your air passages, making it easier for you to cough up and clear your airways. This helps relieve chest congestion.
For adults and children 12 years and older, the usual dose is 200-400 mg every 4 hours, not exceeding 2400 mg in 24 hours. For children 6 to under 12 years, the dose is 100-200 mg every 4 hours, not exceeding 1200 mg in 24 hours. Children under 6 years should consult a doctor.
Common side effects of Guaifenesin include headache, nausea, and vomiting. If you experience any severe or unusual symptoms, you should consult your doctor.
Consult a doctor if you are pregnant, breastfeeding, or have a persistent cough with phlegm or a high fever. Do not use Guaifenesin in children under 4 years. Avoid using multiple products containing Guaifenesin to prevent overdose.
Indications and Purpose
How does Guaifenesin work?
Guaifenesin works by thinning the mucus in the air passages, making it easier to cough up and clear the airways, thus relieving chest congestion.
How does one know if Guaifenesin is working?
The benefit of Guaifenesin is evaluated by its ability to relieve chest congestion by thinning mucus, making it easier to cough up. If symptoms persist or worsen, consult a doctor.
Is Guaifenesin effective?
Guaifenesin is an expectorant that helps thin mucus in the airways, making it easier to cough up and clear the airways. It is commonly used to relieve chest congestion.
What is Guaifenesin?
Guaifenesin is an expectorant used to relieve chest congestion by thinning mucus in the airways, making it easier to cough up. It does not treat the cause of symptoms or speed recovery but helps clear the airways.
What is Guaifenesin used for?
Guaifenesin is indicated for relieving chest congestion associated with colds, infections, or allergies by thinning mucus in the airways.
Directions for Use
For how long do I take Guaifenesin?
Guaifenesin is typically used as needed for symptom relief. If symptoms persist for more than 7 days, or if accompanied by a high fever, rash, or persistent headache, consult a doctor.
How do I take Guaifenesin?
Guaifenesin can be taken with or without food. Drink plenty of fluids while taking this medication to help loosen mucus. Follow the dosage instructions on the package or as prescribed by your doctor.
How long does it take for Guaifenesin to start working?
Guaifenesin typically starts working within 30 minutes to an hour after taking it, helping to relieve chest congestion by thinning mucus.
How should I store Guaifenesin?
Store Guaifenesin at room temperature, away from excess heat and moisture. Keep it tightly closed and out of reach of children. Do not store in the bathroom.
What is the usual dose of Guaifenesin?
For adults and children 12 years and older, the usual dose is 200-400 mg every 4 hours, not exceeding 2,400 mg in 24 hours. For children 6 to under 12 years, the dose is 100-200 mg every 4 hours, not exceeding 1,200 mg in 24 hours. Children under 6 years should consult a doctor.
Warnings and Precautions
Can Guaifenesin be taken safely while breastfeeding?
It is unknown if Guaifenesin is excreted in human milk. Consult a doctor before use if you are breastfeeding to ensure safety for the infant.
Can Guaifenesin be taken safely while pregnant?
There is limited data on the use of Guaifenesin during pregnancy. It is recommended to consult a doctor before use if you are pregnant or planning to become pregnant.
Who should avoid taking Guaifenesin?
Do not use Guaifenesin in children under 4 years. Consult a doctor if you have a persistent cough with phlegm, a high fever, or if you are pregnant or breastfeeding. Avoid using multiple products containing Guaifenesin to prevent overdose.