To avoid possible acid reflux complications, take vitamin C supplements with a meal. As well, consider taking a buffered form of vitamin C, which may help those who are sensitive to ascorbic acid. There is also an esterified form of vitamin C available for those who suffer regularly from acid reflux.
Asepsis (a- not + septicus Latin- characterized by putrefaction.) is the state of being free from disease-causing micro-organisms (such as pathogenic bacteria, viruses, pathogenic fungi, and parasites).
Clean technique is what we use when changing a stoma pouch - nothing sterile about it. It's both. Aseptic technique is used to reduce the chance of contamination from pathogens. Asepsis is a broad term that has other more specific categories. There is surgical asepsis (sterile) and medical asepsis (clean). You apply the principles of asepsis in every clinical setting.