If you have COPD or cystic fibrosis, you may be taking a prescription expectorant, or your doctor may have suggested an over-the-counter expectorant, such as Mucinex® (Guaifenesin). But did your doctor explain the expectorant's purpose to you? What does an expectorant do and how does it help you breathe easier? Learn about expectorants and how they help to clear the airways and allow for better breathing.

If you've been exposed to someone with tuberculosis, how long should you wait before undergoing TB testing? Is there a wait time for undergoing TB testing after exposure? Do you need to get tested for TB again at a later date to be sure you don't have tuberculosis? Find out about TB transmission and if you must wait to undergo TB testing after a known exposure to someone with infectious tuberculosis. Read more...

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