Degenerative Disc Disease (Definition) 1  Degenerative disks are when the normal spongy architechture of the disks goes away. 2  Spinal stenosis is medical condition in which openings where nerves leave the spine are narrowed. 3  A stricture is an anatomic narrowing of any structure in the body with a lumen.
The half-life of Amoxicillin is 61.3 minutes. Approximately 60% of an orally administered dose of Amoxicillin is excreted in the urine within 6 to 8 hours. Most antibiotics have somewhat longer half-lives, on the order of 3-4 hours. Nearly all will be present only at trace levels a day after administration.
Report Abuse. May be 4 to 5 days, depends on type of antibiotics. Take a case of Neomycin. It is an antibiotic but it is not absorbed by body in blood so it only sterilizes gut & is excreated out with fical matter. Your child is not protected see a doc.he technical answer is 5 half-lives, but it will stop being effective before that. After 2 days the antibiotic probably is not in your child's system but he also probably has antibodies in his imune system agaist the original infection.