Ceftriaxone is often used (in combination, but not direct, with macrolide and/or aminoglycoside antibiotics) for the treatment of community-acquired or mild to moderate health care-associated pneumonia. It is also a choice drug for treatment of bacterial meningitis. In pediatrics, it is commonly used in febrile infants between 4 and 8 weeks of age who are admitted to the hospital to exclude sepsis. The dosage for acute ear infection in the very young is 50 mg/Kg IM, one dose only. It has also been used in the treatment of Lyme disease, typhoid fever and gonorrhea.
Intravenous dosages may be adjusted for body mass in younger patients and is administered every 12–24 hours, at a dose that depends on the type and severity of the infection.
For the treatment of gonorrhoea, a single intramuscular injection is usually given. Treatment for chlamydia infection is also recommended (usually with azithromycin) unless it is specifically ruled out.
It must not be mixed or administered simultaneously (within 48 hours) with calcium-containing solutions or products, even via different infusion lines (rare fatal cases of calcium-ceftriaxone precipitates in lung and kidneys in neonates have been described).
To reduce the pain of intramuscular injection, ceftriaxone may be reconstituted with 1% lidocaine.
Ceftriaxone has also been investigated for efficacy in preventing relapse to cocaine addicition.

Link: Cutting Out, posting #2. These were originally posted on the Homeopathy Discussion board (http://www.otherhealth.com/homeopathy-discussion/).

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Albert, also Hahnemannian444B