Pegovag Lemon Flavor Sachet 137.90gm is a medication that combines polyethylene glycol 3350 and electrolytes. It  cleanses the colon (bowel), and it is prescribed for the treatment of constipation, which is characterized by infrequent bowel movements. Do not consume Pegovag Lemon Flavor Sachet 137.90gm if you are allergic to Electrolytes for oral solution, Polyethylene glycol or any of its ingredients in the medication. Before starting the treatment, inform your doctor if you have intestinal perforation or obstruction, severe inflammatory conditions of the intestinal tract like Crohn's disease and ulcerative colitis, and toxic megacolon. Inform your doctor if you are on  a salt-controlled diet.  Notify your doctor about any history of heart problems, electrolyte imbalances, kidney disease, seizures, gastroesophageal reflux disease (GERD), trouble swallowing, G6PD deficiency, or drug/alcohol addiction. Also, report if you are pregnant, breastfeeding, or have phenylketonuria (increased phenylalanine level in the blood). If patients experience symptoms of fluid or electrolyte shifts (edema, shortness of breath, increasing fatigue, dehydration, cardiac failure), Pegovag Lemon Flavor Sachet 137.90gm should be stopped immediately. Electrolyte levels should be measured and treated as necessary. Before starting the medicine, patients with symptoms of bowel obstruction (nausea, vomiting, abdominal pain/distention) should be evaluated, and those with constipation should undergo a thorough examination to identify underlying causes.