Blood urea nitrogen (BUN) measures the amount of urea nitrogen in bloodstream. Urea is formed in liver as the end product of protein metabolism and digestion. Urea is transported to the kidneys for excretion. A normal range for blood urea nitrogen is generally 8 to 24 mg/dl for adult males and 6 to 21 mg/dl for females.Generally, a high blood urea nitrogen level means that the kidneys are not performing well, particularly if the result is above 50mg/dl.lood urea nitrogen (BUN) measures the amount of urea nitrogen in bloodstream. Urea is formed in liver as the end product of protein metabolism and digestion. Urea is transported to the kidneys for excretion. A normal range for blood urea nitrogen is generally 8 to 24 mg/dl for adult males and 6 to 21 mg/dl for females.
Brand Names: Zithromax, Zmax. Zithromax (azithromycin) is an antibiotic that fights bacteria. Zithromax is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, and sexually transmitted diseases.
It is an unusual antibiotic in that it stays in the body for quite a while (has a long half-life), allowing for once-a-day dosing and for shorter treatment courses for most infections. The FDA approved azithromycin in November 1991. PRESCRIBED FOR: Azithromycin is effective against susceptible bacteria causing: 1  otitis media (infection of the middle ear), 2  tonsillitis, 3  laryngitis, 4  bronchitis, 5  pneumonia, 6  sinusitis, 7  uncomplicated skin and skin structure infections,