Β-lactam antibiotic reactions to any β-lactam antibiotic may occur in up to 10% of patients receiving that agent (a small fraction of which are truly IgE-mediated allergic reactions, see amoxicillin rash). Anaphylaxis will occur in approximately 0.01% of patients. There is perhaps a 5%-10% cross-sensitivity between penicillin-derivatives, cephalosporins, and carbapenems; but this figure has been challenged by various investigators. Nevertheless, the risk of cross-reactivity is sufficient to warrant the contraindication of all β-lactam antibiotics in patients with a history of severe allergic reactions (urticaria, anaphylaxis, interstitial nephritis) to any β-lactam antibiotic. A Jarisch–Herxheimer reaction may occur after initial treatment of a spirochetal
Antibiotic-Antimycotic reproductive techniques. In animal cell culture, Antibiotic-Antimycotic solution was used to wash goat embryos prior to incubation with oviduct and uterine cells, for enhanced development of embryos into blastocysts. In large-scale bioreactors, contamination risk is high due to the connection of tubing from inlets and outlets. Antibiotic-Antimycotic solution was incorporated into media for culturing suspension-adapted human embryonic kidney (HEK) 293 cell lines in bioreactors. The ability to isolate cell types is an important component of tissue engineering. In order to prevent contamination during seeding of human fibroblasts followed by endothelial cells on polymeric scaffolds, Antibiotic-Antimycotic solution was used during the