When This Medicine Should Not Be Used:
You should not use this medicine if you have ever had an allergic reaction to guaifenesin. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

How to Use This Medicine:
Capsule, Tablet, Long Acting Capsule, Long Acting Tablet, Liquid

• Your doctor will tell you how much medicine to use. Do not use more than directed.
• Follow the instructions on the medicine label if you are using this medicine without a prescription.
• Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
• Do not break, chew, or crush the tablet or capsule. Swallow it whole with a full glass of water.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

• If you are pregnant or breast feeding, ask your doctor or pharmacist before using this medicine.
• If your cough is caused by asthma, emphysema, bronchitis, or smoking, talk to your doctor before using this medicine.
• This medicine may contain alcohol.

Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:

• Cough that lasts longer than 7 days.
• Cough with fever, skin rash, or ongoing headache.

If you notice these less serious side effects, talk with your doctor:

• Drowsiness.
• Nausea, vomiting, diarrhea, stomach pain.

If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088