Most stings from sea creatures in the UK are not serious and can be treated with first aid.
Symptoms such as burning, throbbing or itching can be treated at home with painkillers such as paracetamol or ibuprofen.
You should however visit your local Minor Injury Unit (MIU) if you have:
Further information about jelly fish and sea creature stings can be found on the NHS 111 Wales website.
Whether you're going to the beach, exploring the coast, or venturing out onto the water, the RNLI website have water safety advice to help keep you and your loved ones safe.