What should you know about peptide injections for weight loss?

Medicines such as semaglutide or tirzepatide act on hormone pathways involved in hunger, fullness, and blood-sugar control. They are injected under the skin on a prescribed schedule, with dose changes made gradually when appropriate. They may be considered for people living with obesity or related metabolic problems, including type 2 diabetes; they are not a general substitute for assessing unexplained weight gain.

Nausea, vomiting, diarrhoea, constipation, stomach discomfort, or reduced appetite can occur. The clinician should review other medicines, pregnancy plans, digestive conditions, diabetes treatment, and any history of pancreatitis or gallbladder problems before prescribing.

Arrange an assessment that covers your health history, eating pattern, activity, medicines, and goals. Use only the prescribed product and dose, keep it stored as directed, and do not share pens or combine weight-loss medicines without advice. Regular meals, fluids, protein-rich foods, movement, sleep, and a structured weight management programme support treatment.

Keep a record of symptoms, bowel changes, injection dates, and any difficulty eating or drinking. Follow-up helps the clinician decide whether the dose, medicine, or overall plan needs adjustment.

Contact your clinician promptly for repeated vomiting, inability to keep fluids down, severe or persistent abdominal pain, marked weakness, or signs of dehydration. Seek urgent help for trouble breathing, facial or throat swelling, fainting, confusion, or a severe allergic reaction. People with diabetes should seek advice for concerning low or high blood-sugar symptoms.

Ask which medicine fits your health history, what benefit to look for, how dose changes will work, which side effects need a call, and how the plan will be reviewed if your weight or appetite changes.