While rare, injection of contaminated medication can lead to local injection site infections or, in severe cases, systemic infections
Chan WK, Lorenzi PL, Anishkin A, Purwaha P, Rogers DM, Sukharev S, Rempe SB, Weinstein JN
The FDA says it is not clear what the substance actually is, a basic issue for the agency before any approval decision, and adds that the drug is not part of an approved product in any country and appears on the World Anti-Doping Agency prohibited list
J Exp Mar Biol Ecol 75:191215 Nayyar H, Kaur R, Kaur S, Singh R (2014) -Aminobutyric acid (GABA) imparts partial protection from heat stress injury to rice seedlings by improving leaf turgor and upregulating osmoprotectants and antioxidants
While chronic hives are rarely dangerous, its a good idea to check in with a healthcare professional