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FIASP FLEXTOUCH vs TRESIBA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. FIASP FLEXTOUCH and TRESIBA are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Rating

66/100
66/100

Pharmacy pays

$6.96 /mL
$11.35 /mL

Type

RX
RX

Active ingredient

INSULIN ASPART
INSULIN DEGLUDEC

Dosage forms

Injectable
Injectable

Drug class

Insulin Analog
Insulin Analog

Boxed warning

None
None

Treats

Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus, Hyperglycemia

Frequently asked questions

Which is better-rated, Fiasp Flextouch or Tresiba?

Fiasp Flextouch and Tresiba are tied at 3.3 out of 5 by our independent rating.

Which is cheaper, Fiasp Flextouch or Tresiba?

Fiasp Flextouch costs pharmacies less to acquire — about $6.96 vs $11.35 per ml, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Fiasp Flextouch and Tresiba?

Fiasp Flextouch contains Insulin Aspart, while Tresiba contains Insulin Degludec — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.