A Simple Guide to Diabetes Medications in Ireland (2026)

If you've been diagnosed with Type 2 diabetes, you'll likely be prescribed medication alongside diet and lifestyle changes. With so many different diabetes medications available, it can be confusing to understand what each one does and why you're taking it. Here's a plain-English guide to the most common diabetes medications prescribed in Ireland.

Metformin — the first-line treatment

Metformin is usually the first tablet prescribed for Type 2 diabetes. It works by helping your body use insulin more effectively and reducing the amount of sugar your liver produces. It's been used safely for decades and is very well understood. Common side effects include stomach upset and nausea when you first start — taking it with food usually helps. Your doctor may start you on a low dose and increase it gradually.

Sulfonylureas — stimulating insulin production

Medications like Gliclazide work by stimulating your pancreas to produce more insulin. They're often added when Metformin alone isn't enough to control blood sugar. The main side effect to watch for is hypoglycaemia (low blood sugar), which can cause dizziness, sweating, and confusion. Always carry glucose tablets or a sugary drink if you take this type of medication.

SGLT2 inhibitors — the newer medications

Medications like Empagliflozin (Jardiance) and Dapagliflozin (Forxiga) are newer diabetes treatments that work by helping your kidneys remove excess sugar through urine. They have the added benefit of protecting the heart and kidneys — which is why they're increasingly prescribed to older adults. Side effects can include urinary tract infections and thrush. Drink plenty of water while taking these.

Insulin — when tablets aren't enough

Some people with Type 2 diabetes eventually need insulin injections. This isn't a failure — it's simply how diabetes progresses in some people. Modern insulin pens are easy to use and virtually painless. Your diabetes nurse will teach you how to use them. You may need just one injection a day (long-acting insulin) or multiple daily injections depending on your needs.

Keeping track of your diabetes medications

When you're taking Metformin in the morning, Gliclazide before lunch, and insulin at night, it's easy to get confused. HealthLog keeps your full medication list on your phone — with doses, frequencies, and any notes from your doctor. When you attend your diabetes clinic, your consultant can see everything at a glance. No more trying to remember names and doses under pressure.