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How Long Does A Saxenda Pen Last?

Professor Franklin Joseph
Professor Joseph, an expert in diabetes and obesity management, leads clinical trials, chairs the Western Cheshire Diabetes Network, and priorities person-centered care for optimal outcomes.

Saxenda is a prescription-only injectable medication used to help adults with obesity or weight-related conditions (such as high blood pressure or type 2 diabetes) lose weight. 

Its active ingredient, liraglutide, mimics a hormone that helps regulate appetite, making you feel fuller for longer.

The Saxenda pen is a pre-filled, easy-to-use injector with a dose selector and replaceable needles. It allows for daily subcutaneous injections (under the skin), usually in the thigh, abdomen, or upper arm.

If you’re considering weight loss medication, understanding how long each Saxenda pen lasts can help you plan ahead and stay consistent with treatment.

A Saxenda pen typically lasts 6 days at the maintenance dose of 3mg per day. When starting on a lower dose, a single pen may last up to 17 days. Read on to learn more. 

How Do I Take Saxenda?

  • Inject once daily, at the same time each day
  • Take with or without food
  • Store unused pens in the fridge (do not freeze) – after first use, they can be kept at room temperature

Always follow your prescriber’s instructions and refer to the patient leaflet included with your medication.

How Long Will My Saxenda Pen Last For?

How long a single Saxenda pen lasts depends on your daily dose. Each pen contains 3ml of medication. 

When you begin taking Saxenda, you'll start at a 0.6mg dose. This will increase weekly by 0.6mg until you reach the maintenance dose. 

  • One pen can last up to 17 days during the first four weeks of treatment.
  • At the maintenance dose (3mg a day), one pen may last six days. 
  • This means you will need around five pens every 30 days/ month. 

What is the Saxenda Dosing Schedule? 

You will typically begin Saxenda on a low dose to reduce the likelihood of side effects. The initial dosage is often low to minimise the risk of side effects. Some common side effects from Saxenda include tiredness, weakness, and stomach issues (for example, discomfort or heartburn). 

Here’s what you can expect:

Week Daily Dose Pen Duration Estimate
1 0.6mg ~17 days (1 pen)
2 1.2mg ~13 days (1 pen)
3 1.8mg ~10 days (1 pen)
4 2.4mg ~8 days (1 pen)
5+ 3.0mg ~6 days per pen

This 4-week dose escalation period allows your body to adjust to the medication. It's essential to follow your healthcare provider's guidance during this period. 

Saxenda is available in different doses, and your healthcare provider will determine the appropriate starting dose based on your individual needs. Enquire about weight loss medication today with Dr Frank’s Weight Loss Clinic.

Mounjaro

GIP & GLP-1 Medication

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Mounjaro

GIP & GLP-1 Medication

Prices start from:

£205.00

£110.00/month

£76 off when you sign-up to our newsletter
Free Shipping
Lose up to 15% in the first year
Cancel anytime
Dose escalation available
Start Assessment

How Long Do I Have to Take Saxenda For? 

The length of time you need to take Saxenda depends entirely on your weight loss goals and how your body responds to treatment. We recommend taking Saxenda until: 

  • You reach your weight loss goal
  • Side effects begin to outweigh the benefits
  • You stop seeing results
  • Your doctor recommends that you stop (or switch to an alternative like Mounjaro)

Looking to switch to Mounjaro? Find out the differences between Saxenda and Mounjaro here.

When you reach the full 3mg maintenance dose, you'll go through a 12-week evaluation period. If you've not lost at least 5% during those 12 weeks at full dose, you might consider discontinuing treatment. 

Some people stay on Saxenda for 6-12 months or even longer under medical supervision. Never stop or adjust your dose without professional guidance.

 

Start Your Weight Loss Journey With Dr Frank’s

Looking to begin your weight loss journey? At Dr Frank's Weight Loss Clinic, we offer safe and personalised weight loss treatment using GLP-1 and GIP medications like Saxenda. 

When you opt for GLP-1 medication with Dr Frank’s Weight Loss Clinic, you will receive ongoing support to help you achieve your goals. 

Start today by completing an online assessment or video consultation – or contact us for any more information. 

Continue Your Weight Loss Discovery

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“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”

Susan lost 5 Stone in just 12 months

“For the first time, losing weight has been both easy and successful in my life.”

Cadi lost 3 Stone in just 12 months

“If you're aiming to lose weight or manage polycystic ovaries, go for this program. It's undoubtedly the best decision.”

Ethan lost 5 Stone in just 5 months

“I’ve never felt so comfortable in my own skin. It's a newfound sense of confidence and well-being that has positively impacted every aspect of my life.”

Dimitra lost 4 Stone in just 8 months

“I cannot recommend this programme enough; it truly works! It's the sole solution that has been effective after my long struggle.”

Lauren lost 5 Stone in just 8 months

“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”

Susan lost 5 Stone in just 12 months

“For the first time, losing weight has been both easy and successful in my life.”

Cadi lost 3 Stone in just 12 months

“If you're aiming to lose weight or manage polycystic ovaries, go for this program. It's undoubtedly the best decision.”

Ethan lost 5 Stone in just 5 months

“I’ve never felt so comfortable in my own skin. It's a newfound sense of confidence and well-being that has positively impacted every aspect of my life.”

Dimitra lost 4 Stone in just 8 months

“I cannot recommend this programme enough; it truly works! It's the sole solution that has been effective after my long struggle.”

Lauren lost 5 Stone in just 8 months

“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”