
Mucus: A thick slippery fluid produced by the membranes lining certain organs such as the nose, mouth, throat, and vagina. Mucus is the Latin word for "a semifluid, slimy discharge from the nose." Note that mucus is a noun while the adjective is mucous.

According to medical researchers at Vanderbilt University Medical Center, most people can safely take products containing pseudoephedrine. Dr. Italo Biaggioni, Professor of Medicine and Pharmacology at the Vanderbilt Clinical Trials Center, notes that some patients may not know they are susceptible to the drug's effects when they take over-the counter medications. At typical doses of 30 milligrams, there's only a slightly chance that pseudoephedrine will raise blood pressure. Extended-release allergy and cold medications, however, can have up to four times that amount, or 120 milligrams. Many allergy and cold medications contain pseudoephedrine; it's not only in Claritin and Claritin D.

Hypertension: High blood pressure , defined as a repeatedly elevated blood pressure exceeding 140 over 90 mmHg -- a systolic pressure above 140 with a diastolic pressure above 90.

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