Do not take a double dose to make up for the missed one
Contact your GP or prescribing clinician if you experience : Persistent nausea or vomiting lasting more than a few days or preventing adequate fluid intake, as this may lead to dehydration Severe or worsening constipation not responding to dietary changes or over-the-counter remedies Unexplained abdominal pain that is persistent or progressively worsening Signs of dehydration : dark urine, dizziness, reduced urination, dry mouth, or feeling faint Unintentional weight loss exceeding recommended rates (more than 1-2 kg per week) Changes in vision or unusual fatigue if you have diabetes and are taking other glucose-lowering medications, as these might indicate hypoglycaemia Changes in mood including depression (monitor your mental wellbeing while taking any medication) Seek immediate medical attention (call 999 or attend A&E) if you develop : Severe abdominal pain , particularly if accompanied by fever, which could indicate pancreatitis, diverticulitis, or other serious conditions Persistent vomiting with inability to keep down fluids for more than 24 hours Signs of allergic reaction : difficulty breathing, swelling of face or throat, severe rash Symptoms of gallbladder problems : sudden severe pain in the upper right abdomen, particularly after eating, with or without jaundice (yellowing of skin or eyes) Blood in vomit or stools , or black, tarry stools Severe, persistent back pain radiating from the abdomen, which may indicate pancreatitis For urgent health concerns that aren't emergencies, you can also contact NHS 111 (call 111 or visit 111.nhs.uk)
This gives your body a chance to adjust before introducing the new treatment
The lubricant coating on the needle degrades
