is sterile water and bac water the same Bacteriostatic vs Reconstitution Solution Guide Bacteriostatic Water Injection | Empower

doi: 10.3389/fvets.2022.1004237 49 QiuX.XiongT.SuX.QuY.GeL.YueY.et al

3 All but two biologics approved in the United States (US) for moderate-to-severe plaque psoriasis may now be either self-administered by adult patients via subcutaneous (SC) injection or administered by a healthcare provider (HCP): infliximab and tildrakizumab both require HCP administrationinfliximab by intravenous (IV) infusion and tildrakizumab by SC injection per the approved labeling (Table 1)

Its not a collapse its a recalibration

I have found that injecting on the same side as the injury but not necessarily at the exact injury site produces excellent results