Brand Names: Duratuss G, Ganidin NR, GG 200 NR, Guaifenesin LA, Liquibid, Muco-Fen 1200, Organidin NR, Q-Bid LA, Robitussin, Scot-Tussin

Generic Name: guaifenesin (oral) (Pronunciation: gwye FEN e sin)

• What is guaifenesin (Duratuss G, Ganidin NR, GG 200 NR, Guaifenesin LA, Liquibid, Muco-Fen 1200, Organidin NR, Q-Bid LA, Robitussin, Scot-Tussin)?
• What are the possible side effects of guaifenesin?
• What is the most important information I should know about guaifenesin?
• What should I discuss with my healthcare provider before taking guaifenesin?
• How should I take guaifenesin?
• What happens if I miss a dose?
• What happens if I overdose?
• What should I avoid while taking guaifenesin?
• What other drugs will affect guaifenesin ?
• Where can I get more information?

What is guaifenesin (Duratuss G, Ganidin NR, GG 200 NR, Guaifenesin LA, Liquibid, Muco-Fen 1200, Organidin NR, Q-Bid LA, Robitussin, Scot-Tussin)?

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.

Guaifenesin is used to reduce chest congestion caused by the common cold, infections, or allergies.

Guaifenesin may also be used for other purposes not listed in this medication guide.

Duratuss G

oblong, white, imprinted with ucb 620

Guaifenesin LA 600 mg-URL

oblong, green, imprinted with MP 423

Guaifenesin LA-CAR

oblong, green, imprinted with CARACO, 152

Humibid LA

oblong, green, imprinted with MEDEVA, 012

Liquibid 600 mg

oblong, white, imprinted with LIQU IBID

What are the possible side effects of guaifenesin?

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.

Less serious side effects may include:

• dizziness or headache,
• a rash, or
• nausea, vomiting, or stomach upset.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about guaifenesin?

You should not use this medicine if you are allergic to guaifenesin.

Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.

Always ask a doctor before giving cough or cold medicine to a child. Death can occur from the misuse of cough or cold medicine in very young children.

Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.

This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

What should I discuss with my healthcare provider before taking guaifenesin?

You should not use this medicine if you are allergic to guaifenesin.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether guaifenesin passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take guaifenesin?

Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.

Always ask a doctor before giving cough or cold medicine to a child. Death can occur from the misuse of cough or cold medicine in very young children.

Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.

Take guaifenesin with food if it upsets your stomach.

Measure the liquid form of guaifenesin with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

Do not crush, chew, break, or open a controlled-release, delayed-release, or extended-release tablet or capsule. Swallow the pill whole. It is specially made to release medicine slowly in the body. Breaking or opening the pill would cause too much of the drug to be released at one time.

Store guaifenesin at room temperature away from moisture, heat, and direct sunlight.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of this medicine.

An overdose of guaifenesin is not likely to cause life-threatening symptoms.

What should I avoid while taking guaifenesin?

This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

What other drugs will affect guaifenesin ?

There may be other drugs that can interact with guaifenesin. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about guaifenesin.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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Last Updated: April 12, 2009