Explanation

Metformin hydrocholoride (also called Metformin or Glucophage®) is a medicine used for treating type 2 diabetes.

What does metformin hydrochloride do?

Metformin hydrochloride works by stopping your liver from releasing too much sugar into your blood. It also makes your body more sensitive to insulin, so that you use more of the sugar in your blood.

What does it look like?

Metformin hydrochloride comes as a white tablet that you swallow with a glass of water.

It can also come as a white powder in a sachet, which you dissolve in water and drink.

When do I need to take it?

Your doctor will tell you how often you should take your metformin hydrochloride, and when you should take it. You will probably need to take it two or three times a day.

But what if I don't feel like taking it?

It's important that you take your metformin hydrochloride, even if you don't feel like it. It will help to control the amount of sugar in your blood.

Don't stop taking it before talking to your doctor, even if you feel ok!

What should I do if I forget to take it?

If you forget to take your metformin hydrochloride, don't worry. Just take your usual dose when you remember. If it's nearly time for your next dose, just take your normal dose when you would usually take it.

Don't take twice as much next time to catch up. Remember the three Ds: Don't Double Dose!

How much should I take?

This depends on how old you are and how much you weigh. Your doctor will tell you how much metformin hydrochloride you should take and how often you need to take it.

What are the most likely side effects I might get?

Not everyone gets side effects from metformin hydrochloride, but you might have some.The side effects you are most likely to get are:

Feeling or being sick

Diarrhoea (runny poo)

A sore tummy

Not feeling hungry

These side effects usually get better by themselves after a short time.

What other side effects might I get?

Metformin hydrochloride can make things taste different.

Are there any other side effects you haven't mentioned?

Metformin hydrochloride can cause:

An itchy rash or bumps on your skin

Problems with the way your body uses chemicals, which can make your muscles ache

It is very unusual to get these side effects, but if you notice them, or any others, tell your doctor or an adult who looks after you.

Is it safe for me to be taking metformin hydrochloride?

Before you start taking metformin hydrochloride, tell your doctor about any other medical problems that you know you have. This is especially important if you:

Know you are allergic to metformin hydrochloride

Have liver or kidney problems

Have diabetic ketacidosis

Have any long lasting heart or lung problems

Is it okay for me to be taking metformin hydrochloride if I'm already taking other medicine?

You should tell your doctor about any other medicines that you are taking, or have taken recently, including herbal medicines. It's especially important to mention if you are taking:

Steroids

Beta blockers that lower blood pressure

Diuretics

Do I need to know anything else about it?

When you start taking metformin hydrochloride, your doctor will slowly increase your dose so that your side effects don't make you feel too unwell.

What if I have any more questions?

If you have any other questions, you can ask your doctor, or chat to other people about metformin hydrochloride in the Medikidz forums and virtual world, Mediland.