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Tresiba Flextouch Pen — prescription drug image

Tresiba Flextouch

Tresiba FlexTouch 3ML of 100UNIT/ML

Prescriptions & Refills
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What is Tresiba Flextouch?

Tresiba Flextouch is a long-acting insulin used to control high blood sugar in adults and children with diabetes mellitus. Administered via a pre-filled pen, it helps to maintain a steady level of insulin over a 24-hour period to assist in achieving optimal glycemic control. Tresibaa reduces the risk of major cardiovascular events such as heart attack, stroke, or death in adults with type 2 diabetes and heart disease.

Prescription savings · · · ·

What is Tresiba Flextouch ?

Tresiba Flextouch is a long-acting insulin used to control high blood sugar in adults and children with diabetes mellitus. Administered via a pre-filled pen, it helps to maintain a steady level of insulin over a 24-hour period to assist in achieving optimal glycemic control. Tresibaa reduces the risk of major cardiovascular events such as heart attack, stroke, or death in adults with type 2 diabetes and heart disease.

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Dry mouth, increased thirst, muscle cramps, nausea, vomiting, uneven heartbeat
  • Shaking, trembling, sweating, fast or pounding heartbeat, lightheadedness, hunger, confusion
  • Rapid weight gain, swelling in your hands, ankles, or feet, chest pain, trouble breathing, tiredness
  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, heart disease, or heart failure.
  • This medicine may cause the following problems:Low blood sugar or low potassium levels in the bloodFluid retention or heart failure (when used together with a thiazolidinedione [TZD] medicine)
  • This medicine can cause low blood sugar. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
  • Never share insulin pens or needles with anyone. Sharing these can pass hepatitis viruses, HIV, or other illnesses from one person to another.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
What is Tresiba FlexTouch used for?

Tresiba FlexTouch (insulin degludec) is a once-daily, long-acting basal insulin FDA-approved to improve blood sugar control in adults and children age 1 year and older with type 1 or type 2 diabetes who need insulin. In type 1 diabetes it is used together with a mealtime (short-acting) insulin; in type 2 diabetes it may be used alone, with oral diabetes drugs, or with other insulins. It is not used to treat diabetic ketoacidosis.

Is Tresiba the same as Lantus or Levemir?

No. All three are long-acting basal insulins, but they contain different active ingredients. Tresiba is insulin degludec, Lantus is insulin glargine, and Levemir is insulin detemir. They differ in how long they last and how they are dosed, so they are not automatically interchangeable. Your provider decides which basal insulin is best for you.

How much does Tresiba FlexTouch cost without insurance?

The cash price varies by pharmacy and location, and it changes over time, so we do not list a fixed dollar amount. Enter your ZIP code above to see today's Tresiba FlexTouch price at pharmacies near you and to use a free Rx.com cash coupon. If you have commercial insurance, you may also qualify for the manufacturer savings card on the official NovoCare page.

Is there a generic version of Tresiba?

There is no traditional generic of Tresiba. Novo Nordisk previously sold an unbranded biologic of insulin degludec, which was the same product as Tresiba marketed without the brand name rather than a separate generic or biosimilar. Novo Nordisk has discontinued that unbranded biologic, so it is no longer a routine lower-cost option. To find the best current price, enter your ZIP above to compare pharmacy prices and use a free Rx.com cash coupon, and ask your provider about other basal insulins if cost is a concern.

How long does one Tresiba FlexTouch pen last?

How long a single pen lasts depends entirely on your prescribed daily dose, since Tresiba is taken once a day. A higher daily dose uses up a pen faster, and a lower dose makes it last longer. Ask your pharmacist how many days your specific dose should last so you can plan refills; do not change your dose on your own.

How much does Tresiba FlexTouch 3ML of 100UNIT/ML cost without insurance?
The price of Tresiba FlexTouch 3ML of 100UNIT/ML without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you. Many people save 60–90% off retail prices with a free Rx.com coupon.
What are the common side effects of Tresiba FlexTouch 3ML of 100UNIT/ML?
Common side effects of Tresiba FlexTouch 3ML of 100UNIT/ML may include: Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, Dry mouth, increased thirst, muscle cramps, nausea, vomiting, uneven heartbeat, Shaking, trembling, sweating, fast or pounding heartbeat, lightheadedness, hunger, confusion, Rapid weight gain, swelling in your hands, ankles, or feet, chest pain, trouble breathing, tiredness. This is not a complete list — consult your pharmacist or doctor for full side effect information.
Is there a generic version of Tresiba FlexTouch 3ML of 100UNIT/ML?
Generic versions may be available for Tresiba FlexTouch 3ML of 100UNIT/ML. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search Tresiba FlexTouch 3ML of 100UNIT/ML on Rx.com to compare generic and brand prices at pharmacies near you.
What is the cheapest pharmacy for Tresiba FlexTouch 3ML of 100UNIT/ML?
The cheapest pharmacy for Tresiba FlexTouch 3ML of 100UNIT/ML depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for Tresiba FlexTouch 3ML of 100UNIT/ML near you.

Tresiba Flextouch Coupons & Prices

Tresiba FlexTouch 3ML of 100UNIT/ML

Prescriptions & Refills
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Tresiba Flextouch Pen — prescription drug image
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Looking for a Tresiba FlexTouch coupon? Tresiba FlexTouch (insulin degludec) is a once-daily, long-acting basal insulin used to help control blood sugar in adults and children age 1 and older with type 1 or type 2 diabetes. Whether you are uninsured, on Medicare, or your insurance does not cover it, you can use a free Rx.com cash coupon to compare prices at pharmacies near you. Enter your ZIP above to see today's price on the Tresiba FlexTouch pen.

What is Tresiba FlexTouch and how does it work?

Tresiba FlexTouch is a brand-name prefilled insulin pen containing insulin degludec, a long-acting (basal) human insulin analog. It is FDA-approved to improve blood sugar control in adults and pediatric patients age 1 year and older who have type 1 or type 2 diabetes and need insulin. As a basal insulin, it works steadily in the background to keep blood sugar stable throughout the day and is taken just once daily.

In type 1 diabetes, Tresiba must be used together with a short-acting (mealtime) insulin. In type 2 diabetes, it may be used on its own, with oral diabetes medicines, or alongside other insulins. It is not used to treat diabetic ketoacidosis. This information is educational and not a substitute for your provider's guidance on how and when to use your insulin.

Tresiba FlexTouch cost: manufacturer savings card vs. Rx.com cash coupon

There are two main ways to lower your cost. Novo Nordisk offers a manufacturer savings card for Tresiba through its official NovoCare program (see the official savings offer here). Manufacturer copay cards like this are generally limited to people with commercial (private) insurance and typically cannot be used if you have Medicare, Medicaid, or no insurance. Terms, eligibility, and any dollar limits are set by the manufacturer and can change, so always check the official page for current details.

The Rx.com cash coupon is different: it is a discount you can use when you are uninsured, on Medicare, or when the manufacturer card is declined. It is free and requires no insurance. Enter your ZIP above to see today's Tresiba FlexTouch price at pharmacies near you and compare it against your other options.

Tresiba alternatives and how it compares

Tresiba is one of several long-acting basal insulins. Others your provider may discuss include Lantus (insulin glargine), Levemir (insulin detemir), Toujeo (a concentrated insulin glargine), and Basaglar (a follow-on insulin glargine). These are all basal insulins, but they differ in their active ingredient, how long they last, and how they are dosed, so they are not automatically interchangeable.

Tresiba FlexTouch is the prefilled-pen form of the same medicine sold as Tresiba. Novo Nordisk previously sold an unbranded biologic version of insulin degludec (the same product marketed without the Tresiba name), but it has discontinued that unbranded biologic, so it is no longer a routine option at the pharmacy. Only your provider can decide which basal insulin and dose is right for you; do not switch insulins on your own.

Important safety information

Tresiba has no boxed warning, but the most common and potentially serious side effect is hypoglycemia (low blood sugar), which can be life-threatening. Your risk goes up with dose changes, changes in meals or activity, and when combined with other glucose-lowering medicines. Regular blood sugar monitoring is essential. Severe low potassium (hypokalemia) is also possible and can be dangerous. Other risks include allergic reactions (including rare anaphylaxis), weight gain, and injection-site reactions such as lipodystrophy or skin lumps, so rotate your injection sites. Using Tresiba with thiazolidinediones (TZDs) can cause fluid retention and heart failure.

Do not dilute Tresiba, mix it with other insulins, or use it in an insulin pump, and do not inject it into a vein or muscle. Never share a FlexTouch pen with another person, even if the needle is changed, because of the risk of passing bloodborne infections. This is a summary, not complete safety information. Talk with your doctor or pharmacist about your full health history before starting or changing this medicine.

Sources & accuracy

This Tresiba Flextouch information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.

Verify the official label: Tresiba Flextouch on DailyMed (FDA)

Reviewed against FDA labeling · Last reviewed July 2026

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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.


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