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ADMELOG SOLOSTAR vs FIASP FLEXTOUCH

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. ADMELOG SOLOSTAR and FIASP FLEXTOUCH 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

70/100
66/100

Pharmacy pays

$6.30 /mL
$6.96 /mL

Type

RX
RX

Active ingredient

INSULIN LISPRO
INSULIN ASPART

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, Admelog Solostar or Fiasp Flextouch?

By our independent rating, Admelog Solostar scores higher — 3.5 vs 3.3 out of 5 for Fiasp Flextouch. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Admelog Solostar or Fiasp Flextouch?

Admelog Solostar costs pharmacies less to acquire — about $6.30 vs $6.96 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 Admelog Solostar and Fiasp Flextouch?

Admelog Solostar contains Insulin Lispro, while Fiasp Flextouch contains Insulin Aspart — 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.