TD 50 provides a standardized quantitative measure that can be used for comparisons and analyses of many issues in carcinogenesis. The range of TD 50 values across chemicals that are rodent carcinogens is more than 100 million-fold. More than half the chemicals tested are positive in at least one experiment.A plot of all results on each experiment in the CPDB for this chemical is presented below.D 50 provides a standardized quantitative measure that can be used for comparisons and analyses of many issues in carcinogenesis. The range of TD 50 values across chemicals that are rodent carcinogens is more than 100 million-fold. More than half the chemicals tested are positive in at least one experiment.
The Most Common Antibiotics for Dogs. Some of the more common antibiotic medications that are prescribed to dogs are: Amoxicillin -- This antibiotic is mainly used to treat skin and tissue infections, as well as being prescribed to tackle respiratory and gastrointestinal infections.
Examples. Penicillin is the antibiotic most commonly used to treat syphilis. Penicillin is usually given as a shot (injection). If you are allergic to penicillin, your doctor may prescribe another antibiotic in early stages of syphilis, such as doxycycline, tetracycline, ceftriaxone, or azithromycin.Or he or she may desensitize you so that you can safely take penicillin. Later stages of syphilis may require treatment with penicillin.Penicillin is the only antibiotic that should be used during pregnancy. If you are pregnant and think you may be allergic to penicillin, discuss your allergy with your doctor.enicillin is usually given as a shot (injection). If you are allergic to penicillin, your doctor may prescribe another antibiotic in early stages of syphilis, such as doxycycline, tetracycline, ceftriaxone, or azithromycin. Or he or she may desensitize you so that you can safely take penicillin.