Strange, where is the sources backing up that it should always be painless? Found lots of resources pointing towards that many do in fact feel a burning sensati

Strange, where is the sources backing up that it should always be painless? Found lots of resources pointing towards that many do in fact feel a burning sensation from potassium IV: - https://cms.galenos.com.tr/Uploads/Article_21792/EAJEM-16-148-En.pdf https://cms.galenos.com.tr/Uploads/Article_21792/EAJEM-16-14... - https://www.webmd.com/drugs/drugreview-6224-potassium-chloride-intravenous https://www.webmd.com/drugs/drugreview-6224-potassium-chlori... - https://www.nyspana.net/wp-content/uploads/2017/10/NYSPANA-PIP3.pdf https://www.nyspana.net/wp-content/uploads/2017/10/NYSPANA-P... - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2730072/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2730072/ - https://pubmed.ncbi.nlm.nih.gov/3063479/ https://pubmed.ncbi.nlm.nih.gov/3063479/ - https://musculardystrophynews.com/forums/forums/topic/17193/ https://musculardystrophynews.com/forums/forums/topic/17193/ - https://www.nursingcenter.com/journalarticle?Article_ID=3535408&Journal_ID=3425880&Issue_ID=3534792 https://www.nursingcenter.com/journalarticle?Article_ID=3535...