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GLP-1 Decoder

Semaglutide and Insulin: Is It Safe? Label, Studies

Low blood sugar is more likely with insulin; your doctor may lower the insulin dose.

Verdict
It is fine with care
Label says
Listed interaction

Check a GLP-1 interaction

Wegovy key facts

How long it remains in the body
100%50%25%0%07 d14 d21 d28 d35 d50%25%12.5%time after the dose

Its half-life is about 1 week. Half disappears after 7 d, while about 3% remains after five half-lives (35 d).

Weight loss from its main trial
Wegovy (STEP 1)14.9%Placebo2.4%

In STEP 1 over 68 weeks, the figure was 14.9% of body weight, compared with 2.4% on placebo.

Costs as time passes
202520262027$1,349.02$0List priceSelf-pay

In US dollars, monthly prices include list prices and self-pay offers. Each comes from the maker's price page.

Sources: FDA label (DailyMed), healthsystemtracker.org, prnewswire.com 1 2.

Semaglutide and insulin: the verdict

It is fine with care

The Ozempic label's drug interactions section states the following directly:

“When initiating OZEMPIC, consider reducing the dose of concomitantly administered insulin secretagogue (such as sulfonylureas) or insulin to reduce the risk of hypoglycemia [see Warnings”

Source: FDA label (DailyMed).

What the semaglutide label says

Insulin is covered by these parts of the Ozempic label.

Ozempic label drug interactions
Named in the labelThe riskWhat the label tells doctors
Insulin or sulfonylureasLow blood sugarTaking it with insulin, or with a sulfonylurea such as glipizide or glimepiride, increases the chance of low blood sugar. Your doctor may reduce those doses.

Source: Ozempic label (DailyMed).

What the studies show

Source: FDA label (DailyMed).

The practical rule

  1. Learn the signs of low blood sugar and test your blood sugar more often when you start or change doses.
  2. During the first weeks and after each dose increase, check your blood sugar more often.

Source: FDA label (DailyMed).

Insulin with other GLP-1s

Each label’s drug interaction section was checked for that point.

Insulin across GLP-1 labels
MedicineInsulin in the labelVerdictPage
OzempicNamed in the labelIt is fine with careRead the answer
WegovyNamed in the labelIt is fine with careRead the answer
RybelsusNamed in the labelNot listedNot listed
MounjaroNamed in the labelIt is fine with careRead the answer
ZepboundNamed in the labelIt is fine with careRead the answer
FoundayoNamed in the labelNot listedNot listed
TrulicityNamed in the labelIt is fine with careRead the answer
SaxendaNamed in the labelNot listedNot listed
VictozaNamed in the labelIt is fine with careRead the answer
ByettaNamed in the labelNot listedNot listed

Source: FDA label (DailyMed).