Yes , any stress can raise your BS.but it should be short lived

Will a flu shot raise my blood sugar?

It might.

Your arm often aches right after getting a flu shot, because that special vaccine liquid has gone right into your muscle. Until it’s fully absorbed, any kind of pain can cause your blood sugar to spike.

The body’s immune system may be reacting to the vaccine. This initial burst of immune system response causes inflammation from the antigen reaction, and that can trigger a blood sugar spike the same way illnesses do.

The flu can cause your body to release the stress hormones adrenalin or cortisol, which reduce the effectiveness of insulin, meaning you might see higher glucose levels as a result.

There is little actual research on how flu shots can lead to higher blood sugars.

According to the national vaccine safety monitoring database called the Vaccine Adverse Effect Reporting SystemTrusted Source, there have been more than 361 reports of hyperglycemia after a flu shot. This 2022 study included 34 adults with diabetes during the 2018 to 2020 flu seasons, examining their blood sugars in the first 24 hours after they’d gotten a flu shot. Higher blood sugars were found in the first day after the flu shot and returned to pre-vaccination levels by the second day.

Mine was raised significantly for 4 weeks after my flu shot the last 2 years. I will do another next week and we will see.

It didn’t raise my BS but anything can raise it stress etc.

My numbers rose about 20 points USA, about 1.1 for those from British Commonwealth countries. I had to cut my carbs, increase fiber, and use some tricks that work for me.

That allowed me to stay close to my range. When you consider I normally have 5 carbs per meal, you can understand how limited my carbs had to be.

Good Morning my BG 128 positive thoughts.