indigestion line color icon. stomachache. allergy symptom: diarrhea, bloating, nausea, pain. abdominal distension. sign for web

abdominal abstract allergen allergenic allergy app art bloating bowel concept contour design diarrhea digestive disease disorder drawing editable stroke element flat gastritis gastroenterology graphic icon illness illustration indigestion irritable irritation isolated line linear mark nausea outline pain person pictogram sickness sign simple stomach stomachache symbol symptom tag template vector web esophagus