Tuesday, October 18, 2016

Mucinex Sustained-Release Tablets



Pronunciation: gwye-FEN-eh-sin
Generic Name: Guaifenesin
Brand Name: Mucinex


Mucinex Sustained-Release Tablets are used for:

Relieving symptoms of cough and mucus in the chest due to colds, flu, or hay fever. It may also be used for other conditions as determined by your doctor.


Mucinex Sustained-Release Tablets are an expectorant. It works by thinning mucus (phlegm) in the lungs and making it less sticky and easier to cough up. This reduces chest congestion by making coughs more productive.


Do NOT use Mucinex Sustained-Release Tablets if:


  • you are allergic to any ingredient in Mucinex Sustained-Release Tablets

Contact your doctor or health care provider right away if any of these apply to you.



Before using Mucinex Sustained-Release Tablets:


Some medical conditions may interact with Mucinex Sustained-Release Tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:


  • if you are pregnant, planning to become pregnant, or are breast-feeding

  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement

  • if you have allergies to medicines, foods, or other substances

  • if you have a chronic cough that occurs with smoking, asthma, chronic bronchitis, or emphysema, or if your cough occurs with large amounts of mucus

Some MEDICINES MAY INTERACT with Mucinex Sustained-Release Tablets. Tell your health care provider if you are taking any other medicines. However, no specific interactions with Mucinex Sustained-Release Tablets are known at this time.


Ask your health care provider if Mucinex Sustained-Release Tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.


How to use Mucinex Sustained-Release Tablets:


Use Mucinex Sustained-Release Tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.


  • Take Mucinex Sustained-Release Tablets by mouth with or without food.

  • Drinking extra fluids while you are taking Mucinex Sustained-Release Tablets are recommended. Check with your doctor for instructions.

  • Swallow Mucinex Sustained-Release Tablets whole. Do not break, crush, or chew before swallowing.

  • If you miss a dose of Mucinex Sustained-Release Tablets and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose. Go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Mucinex Sustained-Release Tablets.



Important safety information:


  • If cough persists for more than 1 week or is accompanied by a fever, contact your health care provider. A persistent cough could be a sign of a serious condition.

  • Different brands of Mucinex Sustained-Release Tablets may have different dosing instructions for CHILDREN. Follow the dosing instructions on the package labeling. If your doctor has given you instructions, follow those. If you are unsure of the dose to give a child, check with your doctor or pharmacist.

  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Mucinex Sustained-Release Tablets while you are pregnant. It is not known if Mucinex Sustained-Release Tablets are found in breast milk. If you are or will be breast-feeding while you are using Mucinex Sustained-Release Tablets, check with your doctor. Discuss any possible risks to your baby.


Possible side effects of Mucinex Sustained-Release Tablets:


All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:



Nausea; vomiting.



Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).



This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.


See also: Mucinex side effects (in more detail)


If OVERDOSE is suspected:


Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.


Proper storage of Mucinex Sustained-Release Tablets:

Store Mucinex Sustained-Release Tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Mucinex Sustained-Release Tablets out of the reach of children and away from pets.


General information:


  • If you have any questions about Mucinex Sustained-Release Tablets, please talk with your doctor, pharmacist, or other health care provider.

  • Mucinex Sustained-Release Tablets are to be used only by the patient for whom it is prescribed. Do not share it with other people.

  • If your symptoms do not improve or if they become worse, check with your doctor.

  • Check with your pharmacist about how to dispose of unused medicine.

This information is a summary only. It does not contain all information about Mucinex Sustained-Release Tablets. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.



Issue Date: February 1, 2012

Database Edition 12.1.1.002

Copyright © 2012 Wolters Kluwer Health, Inc.

More Mucinex resources


  • Mucinex Side Effects (in more detail)
  • Mucinex Use in Pregnancy & Breastfeeding
  • Mucinex Support Group
  • 38 Reviews for Mucinex - Add your own review/rating


Compare Mucinex with other medications


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  • Fibromyalgia

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