Doxycycline is used to treat bacterial infections, including pneumonia, lyme disease, acne, venereal (sexually transmitted) diseases, and inhalational anthrax (after exposure). It also is used to prevent malaria. Doxycycline is in a class of medications called tetracycline antibiotics. It works by preventing the growth and spread of bacteria. Antibiotics will not work for colds, flu, or other viral infections.

You can find an extensive list of recent scientific research abstracts about Doxycycline here

Azithromycin is an antibiotic related to erythromycin. Azithromycin is in a class of drugs called macrolide antibiotics. It is prescribed for adults to treat certain mild to moderate skin infections; upper and lower respiratory tract infections, including pharyngitis (strep throat), tonsillitis, and pneumonia; sexually transmitted infections of the cervix or urinary tract; and genital ulcer disease in men. In children, Zithromax is used to treat middle ear infection, pneumonia, tonsillitis, and strep throat.

You can find an extensive list of recent scientific research abstracts about ZITHROMAX-SUMAMED here

Cipro is used to treat infections of the lower respiratory tract, the abdomen, the skin, the bones and joints, and the urinary tract, including cystitis (bladder inflammation) in women. It is also prescribed for severe sinus or bronchial infections, infectious diarrhea, typhoid fever, inhalational anthrax, infections of the prostate gland, and some sexually transmitted diseases such as gonorrhea. Additionally, some doctors prescribe Cipro for certain serious ear infections, tuberculosis, and some of the infections common in people with AIDS. Because Cipro is effective only for certain types of bacterial infections, before beginning treatment your doctor may perform tests to identify the specific organisms causing your infection.

You can find an extensive list of recent scientific research abstracts about Cipro here