How does semaglutide work?
Semaglutide works by:
- Increasing insulin production after meals
- Slowing digestion, which helps control blood sugar levels
- Reducing appetite, leading to lower calorie intake and potential weight loss
These combined effects help lower blood sugar levels and support weight management.
What is semaglutide used to treat?
Semaglutide is prescribed for:
- Type 2 diabetes (to improve blood sugar control)
- Weight loss in people with obesity or weight-related health conditions (if prescribed for this purpose)
- Reducing the risk of heart-related complications in people with diabetes
Who can take semaglutide?
Semaglutide is prescribed for adults with type 2 diabetes or those with a high BMI who have weight-related health concerns.
Who might not be able to take semaglutide?
Semaglutide may not be suitable if you:
- Have type 1 diabetes (it’s only for type 2 diabetes)
- Have a history of pancreatitis
- Have severe gastrointestinal conditions
- Are allergic to semaglutide or similar medicines
Can I take semaglutide if I’m pregnant or breastfeeding?
Semaglutide is not recommended during pregnancy or while breastfeeding, as its safety hasn’t been fully established. If you are planning to conceive, you should stop taking semaglutide at least two months before trying for a baby.
What if I miss a dose?
- If you take semaglutide once a week: If you miss a dose and it’s been less than 5 days, take it as soon as possible. If more than 5 days have passed, skip the missed dose and continue with your usual schedule.
- If you take the tablet form: Take it as soon as you remember, but don’t double up on doses.
How effective is semaglutide?
Semaglutide is highly effective at lowering blood sugar levels and promoting weight loss. Many people notice improvements within a few weeks, but full benefits can take several months.
What should I do if I take too much?
Taking too much semaglutide may cause nausea, vomiting, and low blood sugar. If you think you’ve taken too much, seek medical help immediately.
What dose of semaglutide is usually taken?
Doses depend on the condition being treated:
- For type 2 diabetes: Starting dose is 0.25 mg once weekly, increasing gradually to 1 mg if needed
- For weight loss: Starting dose is 0.25 mg once weekly, increasing up to 2.4 mg depending on your response
Your doctor will determine the best dose for you.
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What are the side effects of semaglutide?
Common side effects include:
- Nausea
- Vomiting
- Diarrhoea or constipation
- Loss of appetite
- Mild stomach pain
More serious side effects, such as pancreatitis or severe allergic reactions, are rare but require immediate medical attention.
How should I take semaglutide?
- Injection form: Taken as a once-weekly injection under the skin (subcutaneous injection) in the stomach, thigh, or upper arm.
- Tablet form: Taken once daily on an empty stomach, at least 30 minutes before food or drink.
When should semaglutide be taken?
- Injections: Taken once a week, on the same day each week, at any time of day.
- Tablets: Taken first thing in the morning before eating.
What are the brand names for semaglutide?
Semaglutide is available under brand names such as:
- Ozempic (for diabetes)
- Wegovy (for weight loss)
Final thoughts
Semaglutide is an effective treatment for type 2 diabetes and weight management, but it should be used under medical supervision. If you have concerns about side effects or effectiveness, speak to a doctor or pharmacist.
