Insulin Degludec Injection

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Medically reviewed by: Samuel Maaiah, PharmD

Last updated on August 20, 2021

Dr. Maaiah is a PharmD graduate who has practiced both in pharmaceutical consulting and retail pharmacy. His interests include consulting and the development and approval of new therapeutics. He currently works as a Medical Information Consultant (MIC) and as a retail pharmacist. As a MIC he helps pharmaceutical companies with projects and by consulting as a medical information expert.

When Dr. Maaiah is not working, he enjoys spending time with his family and friends, doing outdoor activities, working out, and reading.

Tresiba Coupon

Get $15 off order



* minimum order of $500

* Please note, these coupon codes listed here are one-time use and cannot be combined with other coupons or offers.

Order Online

How to buy Tresiba Flextouch online?

Tresiba can be ordered online through or by calling 1-800-828-4489 and speaking to customer support. The chat feature can also be used for support. For more information please visit the “How to Order” page on 

Is a prescription required?

Yes, Tresiba is a prescription medication and can only be sold with a prescription. To process your order, you will need to submit a prescription. A valid prescription from your doctor is required. The prescription can be uploaded, emailed ([email protected]), or faxed (1-800-416-8019). Alternatively, we can reach out to your doctor to attain a valid prescription if you would like.

What is the maximum amount that can be ordered?

A 90-day supply  is the maximum amount that can be ordered at one time. The amount that can be ordered will be based on the directions and quantity indicated on the prescription from your provider. Refills are kept on file for future orders.

Is it safe to order Tresiba Flextouch (insulin degludec injection) from 90-Day Meds?

Absolutely. We operate just like your local pharmacy would, with our main priority being to provide you access to safe and affordable prescription medication. All our partner pharmacies are fully licensed and certified in their respective countries. We ensure that your shopping experience is safe and secure with our Norton Shopping Guarantee. 

Tresiba Cost

Average US Retail Price 90-Day Meds Price
Tresiba 100 units/mL
(15 mL = 1 box)
$610.00 $260.00

How much does Tresiba Flextouch (insulin degludec injection) cost?

At, we make sure to keep drug prices low. You can view the Tresiba Flextouch (insulin degludec injection) cost savings above with the price comparison between the average U.S. retail price and 90-Day Meds price.

What is the lowest price of Tresiba Flextouch (insulin degludec injection) per unit?

Lowest Price Per Unit: $14.67/unit for Tresiba Flextouch (insulin degludec injection) 100 units/mL  

Save on Tresiba with our online pharmacy service.

Is this price for Tresiba Flextouch (insulin degludec injection) without insurance?

The listed prices are without insurance. Unfortunately, we cannot accept insurance. We will give you an official receipt which you can use to apply for reimbursement with your insurer. We are unable to adjudicate with US insurance providers.

Why is Tresiba Flextouch (insulin degludec injection) cheaper from Canada than from the United States?

Drug prices in Canada and from other countries we source medication from are negotiated and regulated. The US is a free market economy which is why the price differs since pharmaceutical suppliers can charge what they deem appropriate for a specific product. As a result, we can offer lower prices to our patients as we utilize medications from these countries. 

Tresiba Coupon

Sorry, we do not have a Tresiba (Insulin Degludec Injection) coupon at the moment, please check back later.

Yes, Check out the Coupon Section of this page.

s there a coupon for Tresiba available?

Yes, we do you have a Tresiba coupon for an extra discount on your prescription. You can save $15 off your order with coupon code TRESIBA15. Apply coupon at checkout for instant savings and pay less for your prescription with a minimum $500 order.


Is there a lower cost generic Tresiba Flextouch (insulin degludec injection) available?

Tresiba is not available as a generic alternative. 

How much cheaper is generic Tresiba Flextouch (insulin degludec injection)?

There is currently no generic alternative to Tresiba. 

What is the difference between brand and generic Tresiba Flextouch (insulin degludec injection)?

Once available on the market, there will be no difference between generic and brand Tresiba. Generic formulations of medications contain the same active ingredients and meet the same quality, strength, and purity standards as the brand formulation. 


Is shipping available to the United States?

Yes.  An email notification will be sent to you once the item has been shipped. We ship nationwide across the United States.

How much does shipping cost?

Standard shipping is free.

Is express shipping available?

This medication can only be shipped express in an insulated cooler containing ice and gel packs. The estimated delivery time is 3 to 5 business days.

Refill RX

How to refill a prescription?

Refilling your prescription is made easy with 90-Day Meds. You can sign in to your online account and view your previous orders and see which prescriptions we have on file. Placing a refill order online is made simple by accessing the reorder section in your account. You can also call us and speak to customer support to place a refill. Our live chat is also a great place to connect with us to place a refill order while you are on the go. 

Are prescriptions automatically refilled?

We do not automatically refill prescriptions as there can be cases where you are no longer taking the medication, your doctor has changed your dose, etc. However, we provide a friendly refill reminder service. We will kindly notify you by phone or email as to the best time to place a refill order based on your prescription history.

Drug Information


What is Tresiba Flextouch (insulin degludec injection)?

Tresiba is a prescription medication that is classified as a long-acting insulin product.


What is Tresiba used for?

It is used to improve glucose control in patients with diabetes. 

How does it work?

It lowers blood glucose by increasing peripheral glucose uptake. It also works by  inhibiting hepatic glucose production, lipolysis, and proteolysis.


How do I take Tresiba Flextouch (insulin degludec injection)?

You should take Tresiba as directed by your physician, your dose should be individualized to your glycemic needs. 

What dosages are available?

Tresiba Flextouch (insulin degludec injection) is available in 100 IU/mL pens and 200 IU/mL pens 

What is the recommended dosage?

Tresiba should generally be dosed once daily at any time but should be at the same time each day. The specific dose varies based on patient-specific needs, for dosage recommendations refer to your doctor. 

What is the maximum dosage?

There is no maximum recommended dosage of Tresiba.

What if I miss a dose?

If you miss a dose you should inject your normal daily dose as soon as you remember, then continue with your normal dosing schedule, ensuring at least 8 hours of separation between consecutive injections. 


What should you know before you take Tresiba Flextouch (insulin degludec injection)?

Never share your Tresiba Flextouch (insulin degludec injection) with another patient

When undergoing changes to your insulin regimen hyper/hypoglycemia can be a risk, ensure consistent glucose monitoring when changes are made. 

Hypersensitivity reactions can occur, if you experience any swelling of the face, tongue, or throat after administering Tresiba seek immediate medical attention. 

If you are currently taking a -thiazide-type diuretic for heart failure monitor for signs and symptoms of fluid retention as changes in your insulin regimen can put you at an increased risk for fluid retention. 

Side Effects

What are the side effects of Tresiba Flextouch (insulin degludec injection)?

Some common side effects include:

  • Hypoglycemia 
  • Allergic Reactions
  • Injection site reactions 
  • Lipodystrophy 
  • Pruritus 
  • Rash 
  • Edema
  • Weight gain 

Speak to your doctor for a full list of side effects.


Does this medication interact with other drugs, foods, or alcohol?

Any other medications that affect glucose metabolism will inherently interact with this medication, monitor glucose levels closely when making changes to other diabetes medications or insulin regimens. 

Patients taking beta-blockers should be aware that their symptoms of hypoglycemia may be diminished. Having regular glucose checks will be important to prevent hypoglycemic events from occurring. 


How should this medication be stored?

Unused Tresiba Flextouch (insulin degludec injection) pens should be stored between 36℉ and 46℉. Open (in use) pens may be stored at room temperature for up to 56 days. 

Pharmacist Tips

  • Hypoglycemia is by far the most common adverse event associated with insulin. If you notice symptoms of hypoglycemia you should check your blood sugar levels and treat accordingly. 
  • The dial on each of the pens is in units. 
  • Ensure you are rotating injection sites as this can help prevent fat accumulation.
  • Notify your doctor if you are having frequent hypo/hyperglycemia events while using Tresiba.  


What is the best time to take Tresiba?

There is not a preferred time to inject Tresiba, rather, focusing on administering it at the same time each day is far more important. 

How long can Tresiba stay at room temperature?

An open (in use) Tresiba Flextouch (insulin degludec injection) pen can be stored at room temperature for up to 56 days. 

What are the side effects of Tresiba insulin?

The most common side effects associated with Tresiba include Hypoglycemia, allergic reactions, injection site reactions, lipodystrophy, pruritus, rash, edema, and weight gain. 

How quickly does Tresiba work?

Tresiba is a long-acting insulin product. You should notice changes in your glucose levels after your first dose. Generally, you should be on Tresiba for 3 to 4 days of the recommended dose until considering increasing your dosage. 

Will I gain weight on Tresiba?

Weight gain is considered a common side effect associated with Tresiba, but this is consistent with all insulin products. Patients with type 1 diabetes gained an average of 1.8 kg and patients with type 2 diabetes gained an average of 3 kg. 


This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs before taking any medication.