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Blood pressure medicines

Also called antihypertensives

Key points about blood pressure medicines

If you are diagnosed with high blood pressure, your healthcare provider may advise you to take one or more medicines to keep it under control.
By treating high blood pressure, you reduce your risk of heart disease, stroke, kidney failure and eye damage.
Find out about blood pressure medicines and possible side effects.

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Take your medicine regularly. Get into a routine and take your pills at the same time every day, to help you remember to take them. Try using a pillbox marked with the days of the week and fill it at the beginning of each week to make it easier to remember.
Don't let your supply run out. Get your prescription before you run out and make sure you have enough for weekends, public holidays and when you are away on holiday.
If you forget to take a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose. Do not take 2 doses to make up for the dose you missed.
Don't stop taking your blood pressure medicine suddenly. If you feel unwell or have any side effects, tell your healthcare provider.
Check with your healthcare provider before starting any new medicines or supplements. Blood pressure medicines can interact with other medicines and herbal supplements.
Be careful taking anti-inflammatories while you are on blood pressure medicines. This includes ibuprofen (Nurofen) and diclofenac (Voltaren).

Avoid taking these medicines together
AVOID anti-inflammatories if you are taking ACE inhibitors AND diuretics, OR ARBs AND diuretics. Taking them together can damage your kidneys. Read more about anti-inflammatories and blood pressure medicines.

Your healthcare provider will go through a number of steps with you to find the right blood pressure medicine for you.

The choice will depend on your:

age
ethnicity
health conditions (such as kidney disease or angina)
medical history, such as which blood pressure medicines you have tried in the past.

Since everyone is different, some medicines work better for others than they will for you. Often 2 or 3 medicines are needed and it may take time to find the right combination and dosage.

Below are the most common groups of medicines that can be used to lower blood pressure.

ACE inhibitors block a hormone in your blood that causes your blood vessels to tighten. In this way, they relax your blood vessels and lower your blood pressure. Read more about ACE inhibitors.