Other warning signs

Now

If your face, lips, tongue or throat swell, or you have trouble breathing or swallowing, call emergency services now.

Strong itching or rash, a very fast heartbeat or fainting can be part of the same reaction.

Now

If a lump or swelling in your neck comes with strong shortness of breath, call emergency services now.

Now

If a racing heart comes with chest pain, shortness of breath or fainting, call emergency services now.

Now

If you use insulin or a sulfonylurea and get cold sweats, shakiness, sudden hunger, a racing heart or blurred vision, follow your doctor's low blood sugar plan right away.

Sulfonylureas include glibenclamide (glyburide), glimepiride and gliclazide.

Now

If someone on insulin or a sulfonylurea becomes confused, faints, has a seizure, or can't be woken after drinking, call emergency services now.

Heavy drinking, especially without eating, and hard training without adjusting food are known triggers of low blood sugar for them.

Today

If you took an extra dose by mistake, or more than your prescription, get care today, from your doctor or an urgent care service.

It can bring strong nausea, vomiting and low blood sugar. Measuring mistakes are more likely with products you have to mix or draw up yourself.

Soon

If you notice a lump or swelling in your neck, hoarseness that won't go away, or trouble swallowing, talk to your doctor in the next few days.

A personal or family history of medullary thyroid cancer or MEN 2 is a reason the labels give not to use these medicines. Make sure your doctor knows.

Soon

If your heart races at rest for several minutes, talk to your doctor in the next few days.

These medicines can raise the resting heart rate. In one label, a rise of 20 beats per minute or more was seen in 26% of people, against 16% on placebo.

Soon

If you have surgery, an endoscopy, a colonoscopy or any sedation coming up, tell the team ahead of time that you use this medicine.

It slows down how the stomach empties, which matters for anesthesia. The team decides what to do.

Now

If you get shaky and break into a cold sweat, or feel confused, after a dose, call emergency services now.

Fake pens can contain a different drug, such as insulin.

Now

If a skin infection where you inject comes with fever, chills, a racing heart, dizziness or confusion, call emergency services now.

Today

If a new vial, pen or batch brings a much stronger effect, like vomiting that won't stop or not keeping fluids down, get care today.

Fainting moves it to Now. Tests of products sold online found from half to almost twice what the label says.

Today

If the skin where you inject turns red, hot, swollen and painful, and it's spreading, get care today.

These can be signs of infection, which is more likely with products that may not be sterile.

Now

If your skin or the whites of your eyes turn yellow, or your pee turns dark, get emergency care now.

Liver injury has been reported in Australia with products sold as retatrutide, which isn't approved anywhere.

Soon

If your medicine came without a prescription, from the internet, social media or abroad, or says 'research use only', tell your doctor or pharmacist in the next few days.

No one has checked what's inside. Bring your log from the app.

Soon

If a new vial seems to do nothing, or your hunger rises after switching, talk to your doctor or pharmacist. Don't make up for it on your own.

The product may not be what the label says.

Soon

If the product arrived warm, the batch on the box and the pen don't match, or the label has errors, show it to a pharmacist before using it.

Signs like these have shown up in official alerts about fake and unapproved products.