Key facts
- Contact your prescriber about side effects that bother you or don't go away.
- Contact them before starting any new medicine.
- Have your medicine name, strength and other medicines ready.
- For urgent symptoms, don't wait. Call 999 or NHS 111.
When to get in touch
- side effects that bother you or don't go away
- a medicine that doesn't seem to work
- before starting any new medicine, including ones bought without a prescription
- changes to your health, such as a new heart or blood pressure problem
What to have ready
- the medicine's name and strength
- when and how you've been taking it
- what you've noticed and when it started
- every other medicine you take
Online pharmacies
If you bought treatment from an online pharmacy, it should give you a way to contact its prescriber or pharmacist. Check its website or order confirmation.
Urgent symptoms
Don't wait for a reply if you have any urgent warning signs. Call 999, or NHS 111 for urgent advice.