The Independent Pharmacy

How Long Does A Saxenda Pen Last?

Daniel Hurley
Daniel HurleyMPharm IPPharmacist Independent Prescriber

Reviewed on 11 Oct 2023

We know that losing excess weight is a deeply personal and often challenging journey, but it can also be incredibly rewarding. For some people, prescription medications like Saxenda offer much-needed support for their weight loss goals. But to get the most out of Saxenda treatment, you need to understand how long each Saxenda pen will last.

To make the most of your efforts, it's important that you keep learning so you can make informed decisions. Today, we'll help you understand the average lifespan of this weight loss injection pen and how to make the most of your treatment plan. In the end, you'll be able to better plan your Saxenda dosing as part of an effective weight management regimen tailored to your needs.

Armed with the right knowledge and insights, we believe in your ability to make meaningful strides in your weight loss journey, no matter where you're starting from.

Let's see what you can do to reach and maintain a healthy weight with a Saxenda prescription.

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How Long Does One Saxenda Pen Last?

When you start your treatment for weight loss with Saxenda, one pen should last around 17 days. But as you get to the maximum maintenance dose of 3.0 mg, the lifespan of one pen will shorten to 6 days. So, when you get to the maintenance phase of your treatment, you'll need 5 pens for 30 days.

We know that losing excess weight is a deeply personal and often challenging journey, but it can also be incredibly rewarding. For some people, prescription medications like Saxenda offer much-needed support for their weight loss goals. But to get the most out of Saxenda treatment, you need to understand how long each Saxenda pen will last.

To make the most of your efforts, it's important that you keep learning so you can make informed decisions. Today, we'll help you understand the average lifespan of this weight loss injection pen and how to make the most of your treatment plan. In the end, you'll be able to better plan your Saxenda dosing as part of an effective weight management regimen tailored to your needs.

Armed with the right knowledge and insights, we believe in your ability to make meaningful strides in your weight loss journey, no matter where you're starting from.

Let's see what you can do to reach and maintain a healthy weight with a Saxenda prescription.

How Long Does One Saxenda Pen Last?

When you start your treatment for weight loss with Saxenda, one pen should last around 17 days. But as you get to the maximum maintenance dose of 3.0 mg, the lifespan of one pen will shorten to 6 days. So, when you get to the maintenance phase of your treatment, you'll need 5 pens for 30 days.

Daily Doses of Saxenda by Week
Daily Doses of Saxenda by Week


Week 5 and Onwards Maintenance Dose
Week 5 and Onwards Maintenance Dose


Proper refrigerated storage is crucial – pens kept cold and away from light, as instructed in the Saxenda patient information leaflet, typically remain usable for up to 6 weeks before expiring. Using the pen only once per day, as prescribed, will make it last longer. The Saxenda dose starts low at 0.6 mg and gradually increases over 5 weeks until reaching the full 3 mg maintenance dose. This slow-increase approach helps stretch out the pen’s supply of the appetite-reducing hormone.

The total quantity of liraglutide contained in each Saxenda injection pen is 18 mg. Taking smaller doses, especially during the initial weeks of treatment, conserves the drug supply available in each pen.

We understand how crucial each dose is for you. Here are some signs that your current Saxenda pen is running low:

  • The dose counter shows a red stripe and “0” – meaning 5 or fewer doses of the weight loss medication remain.
  • It's hard to turn the dose selector, or you don't hear clicking – the pen may not deliver full doses when low on the prescription solution.
  • The doses of Saxenda taken don't match the apparent quantity left – carefully tracking the daily injections helps estimate the remaining doses.

With some careful planning and tracking, each Saxenda pen can provide around 6 days or more of appetite-reducing weight loss treatment. Understanding the factors that determine lifespan allows you to maximise your prescription pen supply.

Getting the Most out of Your Saxenda Treatment

We know each dose is a step forward in your journey. By taking these key precautions, you can make the most out of each Saxenda pen and stay on track with your weight management plan.

Proper refrigerated storage is key for maintaining the Saxenda drug’s potency. Be sure to keep unused pens cold between 2°C and 8°C, as recommended in the product information leaflet. Don’t freeze them, and protect the pens from light by keeping them in the original package. While you can store Saxenda unrefrigerated for up to 30 days, refrigeration is best for prescription injection pens. Avoid temperature extremes. And, of course, always check the expiration date printed on the pen’s label.

When injecting your Saxenda dose, follow the healthcare provider's usage instructions carefully. Take Saxenda exactly as prescribed by a health care professional, once daily at the same time. Gradually increase your dosage over the first 5 weeks until you reach the 3 mg daily maintenance level. Never share your Saxenda pen with anyone else. Always use a new disposable needle for each injection.

Once a Saxenda pen has been opened for 30 days without refrigeration or reaches its labelled expiration date, it’s time to discard it properly. Safely throw away used needles in a puncture-resistant sharps container immediately after injecting the weight loss drug. If your Saxenda solution ever looks discoloured, cloudy, or has particles, start using a fresh pen.

Taking a few key precautions allows you to maximise the number of doses you get out of each Saxenda injection pen to support your weight management regimen. And if you're in doubt, don't hesitate to contact a doctor for advice.

Safety Precautions

Your safety is our utmost concern. When using Saxenda or any other prescription weight loss medications, it's crucial to follow these basic safety guidelines:

  • Do not use Saxenda pens past their labelled expiration date. Over time, the appetite-reducing drug may become less potent or potentially unsafe. Properly dispose of any expired injection pens.
  • Never share your Saxenda pens or needles with anyone else. Reusing needles or sharing increases the risk of dangerous infections. Saxenda is a scheduled prescription drug meant for individual use only.
  • Store your Saxenda pens and disposable needles safely out of reach of children and pets. Accidental injection could be extremely harmful.
  • Immediately place all used needles in a designated puncture-proof sharps container after injecting your Saxenda dose. Never attempt to reuse needles, which can spread disease.
  • Closely monitor yourself for potential side effects and alert your doctor right away about any concerning symptoms like severe rash, racing heart, or stomach pain.
  • Carefully follow the healthcare provider’s instructions for gradually increasing your Saxenda dosage over 5 weeks to avoid unnecessary reactions. Do not exceed the maximum 3 mg daily maintenance dose.
  • Drink plenty of fluids daily to stay hydrated. Dehydration is a common side effect of the liraglutide weight loss medication.

Taking sensible precautions ensures you use Saxenda pens safely so you can focus on reaching your weight management goals.

What Is Saxenda?

Saxenda is an FDA-approved prescription weight loss injection containing the active ingredient liraglutide. It’s used for long-term chronic weight management in adults struggling with obesity, being overweight with weight-related conditions like high blood pressure, or having type 2 diabetes.

This medication works by mimicking the effects of GLP-1, a natural appetite-regulating hormone made in the intestines. Saxenda activates receptors in the brain that increase feelings of fullness and satisfaction with smaller amounts of food. It helps suppress appetite, allowing you to feel fuller faster and eat less at meals to aid in weight loss.

Saxenda comes in prefilled disposable pens for easy subcutaneous injection. The dosage for weight loss is gradually increased over a 5-week schedule up to the 3mg dose as part of a medically supervised plan. Saxenda should only be taken under a healthcare provider’s supervision, along with a reduced-calorie diet, regular exercise, and behavioural changes.

We understand that consistency is key in your weight management journey. Keeping track of when you'll need prescription refills ensures you have uninterrupted access to Saxenda. With proper refrigerated storage and adherence to usage guidelines, each pen can provide around 6 days worth of the medication.

Components of a Saxenda Pen

Saxenda comes in a convenient prefilled injection pen containing a few key components:

  • The main ingredient is liraglutide, the active weight loss medication that suppresses appetite through GLP-1 receptor activation.
  • Each pen contains a thin, sterile, disposable needle for subcutaneous injection of the drug.
  • The durable plastic pen cap clicks on to cover and protect the needle when not injecting the medication. The outer needle cap and inner needle cap maintain sterility.
  • The dose window clearly displays the Saxenda dose number to dial in from 0.6mg up to 3mg. The helpful dose counter tracks approximately how many doses remain in the pen.
  • To set your prescribed Saxenda dose, you turn the dose selector until the correct number lines up in the window. Then, press the dose button to self-inject the weight loss medication.

Knowing the purpose and function of each component allows proper pen usage, storage, and troubleshooting. This helps maximise the lifespan of each Saxenda pen.

Frequently Asked Questions

When taking prescription medications like Saxenda for weight management, it's common to have questions come up. Getting reliable answers helps you use your Saxenda pens properly and safely. This section covers some of the most frequently asked questions about Saxenda pen usage and lifespan:

How many days or weight loss doses are contained in one Saxenda pen?

Each Saxenda prescription pen contains approximately 6 days' worth of the appetite-suppressing medication liraglutide when used at the daily maximum dose of 3mg. The total quantity is 18mg, which lasts longer if taking lower doses.

If I have 3 Saxenda pens, how long will that provide the weight loss medication?

At the full 3mg daily dose, you can expect each Saxenda injection pen to provide around 6 days of treatment. So, a supply of 5 pens would last about 30 days of the prescription drug.

How many Saxenda pens will I need for 1 month of weight loss treatment?

Typically, 5 pens will cover one month's usage when taking Saxenda at the recommended 3mg daily maintenance level. Make sure to order refills, so you have a new 30-day shipment each month.

Is it okay to stop using Saxenda for 2 days if needed?

It's not recommended to skip doses unless your healthcare provider advises, as this can reduce Saxenda's weight loss effects. Discuss temporarily lowering the dosage with a healthcare professional if needed.

What if I mistakenly inject a double dose of Saxenda?

Take your normal prescribed dose the next day as scheduled. But if you have serious reactions like dizziness or rapid heart rate, promptly seek medical advice.

Conclusion: The Beginning of Your Weight Management Journey

Now that you understand the average lifespan of Saxenda pens, you can better plan your prescription weight loss medication usage. With proper refrigerated storage and careful adherence to your healthcare provider's instructions, you can expect each prefilled liraglutide pen to provide approximately 6 days of appetite-suppressing treatment.

The exact duration depends on factors like your Saxenda dosage amount, the frequency of injecting the drug, and the labelled expiration date. Following all product guidelines for storage, usage, and disposal helps maximise each pen’s supply of weight loss medication.

Knowing when you'll need prescription refills ensures steady access to Saxenda for your long-term weight management regimen. Remember that the effectiveness can vary from person to person. However, combined with healthy lifestyle modifications, diet, and exercise, this injectable drug can provide a multifaceted approach to reaching your body weight goals.

We want you to feel empowered and supported. Knowing how long your Saxenda pens will last helps you take control and make informed decisions in your weight loss journey.

Sources:

Impact of dose‐escalation schemes and drug discontinuation on weight loss outcomes with liraglutide 3.0 mg: A model‐based approach - PMC (nih.gov)

Saxenda, INN-liraglutide (europa.eu)

Obesity - Treatment - NHS (www.nhs.uk)

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