Aspirin may not be suitable to take if you have certain health conditions.
When to avoid aspirin
Low-dose aspirin should not be taken if you:
Aspirin must not be given to anyone under 16 years old, unless under specialist advice.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, only take low-dose aspirin (75mg) on the recommendation of your doctor.
It is also important not to take aspirin at doses higher than 100mg per day during the last three months of pregnancy because this can lead to complications in the mother or baby.
Using aspirin with caution
Tell your doctor before taking low-dose aspirin if you have:
Occasionally, some people are advised to stop taking aspirin seven days before a planned operation. For some people this may include minor surgery, such as a tooth extraction. Seek advice from your doctor or surgeon before you stop taking any medication.