How do you take guaifenesin 400 mg?


  1. Adults—200 to 400 milligrams (mg) every four hours.
  2. Children 6 to 12 years of age—100 to 200 mg every four hours.
  3. Children 4 to 6 years of age—50 to 100 mg every four hours.
  4. Children and infants up to 4 years of age—Use is not recommended .

How much water should I drink with guaifenesin?

Do not treat a cough for more than 1 week without consulting your doctor or health care professional. If you also have a high fever, skin rash, continuing headache, or sore throat, see your doctor. For best results, drink 6 to 8 glasses water daily while you are taking this medicine.

Why do you need to drink water with guaifenesin?

Drinking plenty of water while taking guaifenesin may help loosen mucus or phlegm in the lungs.

Should guaifenesin be taken with or without food?

Guaifenesin does not need to be taken with food; however, it can be taken with food if it upsets your stomach. Take exactly as directed by your doctor or on the label. Do not increase the dosage or take for longer than is recommended.

How much guaifenesin can you take in 24 hours?

Doses of guaifenesin are usually taken 4 hourly as required, with a maximum of 4 doses in any 24 hour period. Do not take more than the amount recommended on the packaging of the medicine you have purchased. The maximum recommended adult dose of guaifenesin is a total of 2400mg per day.

Should I take guaifenesin at night?

Avoid taking this medication close to bedtime, since you might have trouble sleeping due to the pseudoephedrine. Mucinex D (guaifenesin / pseudoephedrine) can raise your blood pressure. Make sure your provider knows if you have heart problems or high blood pressure before you start taking it.

How quickly does guaifenesin work?

How long does it take for guaifenesin (Mucinex) to start working? Guaifenesin (Mucinex) starts to work pretty quickly. You can expect to feel its full effects about 30 minutes after your dose.

Can I take guaifenesin before bed?

Is 800 mg guaifenesin too much?

Guaifenesin drug products and dosing In the US, adults and children above 12 years old may take guaifenesin in oral doses of 200 to 400 mg every 4 h, up to a maximum of 2400 mg over 24 h [17].

What happens if you take too much guaifenesin?

Overdose with guaifenesin is unlikely to produce toxic effects since its toxicity is low. Very large doses may cause nausea and vomiting. Tell your doctor or pharmacist as soon as possible if you do not feel well while you are using guaifenesin. All medicines can have side effects.

How much Guaifenesin is safe?

What is the maximum daily guaifenesin dosage for adult and children? The maximum daily adult dosage of both regular and extended-release guaifenesin is 2.4 grams. It is generally recommended that adults take between 200 and 400 milligrams (mg.) of regular guaifenesin, every four hours.

What is prescription strength guaifenesin?


  • Altarussin
  • Amibid LA
  • Antitussin
  • Bidex 400
  • Diabetic Siltussin DAS-Na
  • Diabetic Tussin EX
  • Drituss G
  • Guaifenex G
  • Guaifenex LA
  • Can I take 2400 mg of guaifenesin?

    Typical dosing for guaifenesin (Mucinex) Immediate release version: Adults and children over 12 years old: The typical dose is 200 mg to 400 mg by mouth every 4 hours as needed. Do not take more than 2,400 mg per day.

    Is 400mg of ibuprofen too much?

    The maximum daily dose of ibuprofen depends on whether you’re using it OTC or as a prescription. For adults and children ages 12 and older, the daily limit for OTC ibuprofen is 1,200 mg. Taking too much ibuprofen can be life-threatening and require medical attention. Ibuprofen (Advil) is one of the most popular pain reliever medications.