The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

Injection site reactions
Nausea
Vomiting
Headache
Dizziness

Less Common Side Effects

Low blood pressure
Weakness
Sleepiness
Diarrhea

Glucagon serious side effects

Contact your healthcare provider immediately if you experience any of the following.

Serious allergic reactions: hives, itching, swelling of face or tongue, difficulty breathing

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The following Glucagon side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Rare

Anxiety

blurred vision

chills

cold sweats

coma

confusion

cool, pale skin

depression

dizziness

dry mouth

fast heartbeat

flushed, dry skin

fruit-like breath odor

headache

increased hunger

increased thirst

increased urination

nausea

nervousness

nightmares

seizures

shakiness

slurred speech

sweating

trouble breathing

unexplained weight loss

unusual tiredness or weakness

vomiting

Incidence not known

Cough

diarrhea

difficulty with swallowing

dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position

fast, pounding, or irregular heartbeat or pulse

hives, itching, or skin rash

lack or loss of strength

paleness of the skin

pounding in the ears

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

sleepiness or unusual drowsiness

slow or fast heartbeat

tightness in the chest

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Why trust our experts?

Reviewed by:

Robert Chad Hakim, PharmD, BCCCP

Robert Chad Hakim, PharmD, BCCCP, started his full-time career as a clinical pharmacist at UCLA Health in the general medicine, general cardiology, and ICU units after completing residency in 2016. He also was the preceptor for the general medicine rotation from 2017 to 2021, which was a required rotation for all pharmacy residents.

Reviewed by:

Allison Gourley, PharmD

Allison Gourley, PharmD, is a kidney and pancreas transplant pharmacist at a teaching hospital in the San Francisco Bay Area. When she’s not educating patients about their immunosuppressants, she's actively involved in transplant research.