Baqsimi Drug Interactions: What to Avoid and What to Tell Your Doctor

Baqsimi (glucagon nasal powder 3 mg) is an emergency medication used when someone with diabetes has severe low blood sugar and can't eat or drink. While it's generally safe for most patients, there are specific drug interactions you and your doctor should be aware of before you need to use it.

Unlike everyday medications where interactions affect daily dosing, Baqsimi interactions matter in an emergency — which is exactly when there isn't time to look things up. That's why reviewing Baqsimi's interactions in advance is important.

Drug Interaction 1: Warfarin (Blood Thinners)

Baqsimi (glucagon) may increase the anticoagulant (blood-thinning) effect of warfarin. This is a known interaction documented in the FDA-approved prescribing information.

Clinical significance: If a person taking warfarin receives Baqsimi, their INR (a measure of blood clotting) may increase, raising the risk of bleeding. In an acute emergency, Baqsimi is still the priority treatment — however, providers should check INR after use and adjust warfarin dosing as needed.

What to do: Tell your doctor you take warfarin when Baqsimi is prescribed. After any Baqsimi administration, follow up with your anticoagulation clinic or prescriber to check your INR.

Drug Interaction 2: Beta-Blockers

Beta-blockers (like metoprolol, atenolol, propranolol, carvedilol) are common medications for heart disease, high blood pressure, and other conditions. They interact with Baqsimi in two ways:

Blunted glucagon response: Beta-blockers may interfere with glucagon's ability to raise blood sugar, potentially making Baqsimi less effective.

Masking hypoglycemia symptoms: Beta-blockers suppress tachycardia (rapid heartbeat), which is a key warning symptom of hypoglycemia. This makes it harder to recognize when blood sugar is dropping.

Transient blood pressure increase: Glucagon causes a transient increase in pulse and blood pressure; in the context of beta-blocker use, blood pressure response may be more pronounced.

What to do: Tell your doctor and cardiologist you use insulin and may need Baqsimi. If you're on a beta-blocker and have diabetes with hypoglycemia risk, discuss whether closer blood glucose monitoring or dose adjustments are appropriate.

Drug Interaction 3: Indomethacin (NSAIDs)

Indomethacin is a non-steroidal anti-inflammatory drug (NSAID) used for pain, arthritis, and gout. In patients taking indomethacin, Baqsimi may lose its ability to raise glucose levels — and in some cases may actually cause hypoglycemia (paradoxical response).

Clinical significance: This interaction could render Baqsimi ineffective in an emergency. If you take indomethacin regularly, discuss this with your prescriber so they can plan an alternative response to severe hypoglycemia.

What to do: If you take indomethacin long-term and have diabetes with hypoglycemia risk, tell your doctor. They may recommend using IV glucose as the first-line emergency response rather than glucagon.

Drug Interaction 4: Insulin and Other Diabetes Medications

Baqsimi is given specifically because of insulin overdose or imbalance. There isn't a dangerous interaction between Baqsimi and insulin per se — they work in opposite directions. However:

After Baqsimi raises blood glucose, insulin remaining in the body may continue to lower it — causing rebound hypoglycemia. This is why giving fast-acting and long-acting carbohydrates after Baqsimi is important.

Tell your doctor every time Baqsimi is used — they may need to adjust your insulin doses to reduce future hypoglycemia risk.

Drug Interaction 5: Alcohol

Alcohol lowers blood sugar and can significantly increase the risk of hypoglycemia in people with diabetes who use insulin or sulfonylureas. Heavy alcohol use can also deplete liver glycogen stores, which means Baqsimi may be less effective after alcohol-related hypoglycemia.

What to do: Avoid drinking alcohol without eating, especially if you use insulin. If you or a caregiver uses Baqsimi during an alcohol-related hypoglycemic episode, emergency services (911) should always be called since IV glucose may be needed.

What to Tell Every Doctor, Dentist, and Pharmacist

If you have been prescribed Baqsimi, make sure all your healthcare providers know:

You have Baqsimi for emergency use.

You take warfarin (anticoagulation monitoring needed after Baqsimi use).

You take indomethacin (alternative emergency plan may be needed).

You take beta-blockers (hypoglycemia symptoms may be masked; monitoring should be intensified).

Also report any new prescription, over-the-counter medication, supplement, or herbal product to your pharmacist when picking up Baqsimi. Pharmacists are trained to screen for interactions.

When Is Baqsimi Contraindicated?

Baqsimi should NOT be used in:

Patients with known hypersensitivity to glucagon or excipients (betadex, dodecylphosphocholine).

Patients with pheochromocytoma — glucagon may trigger catecholamine release causing hypertensive crisis.

Patients with insulinoma — glucagon may cause a surge in insulin release, worsening hypoglycemia.

For more information on Baqsimi side effects, see our guide on Baqsimi side effects: what to expect and when to call your doctor.

If you're having trouble locating Baqsimi at a pharmacy near you, medfinder can help — we contact pharmacies near you to find which ones currently have it in stock.