Lots of good suggestions here.

Wash your hands before touching or cleaning your piercing.
Clean around the piercing with a saltwater rinse three times a day. …
Don’t use alcohol, hydrogen peroxide, or antibiotic ointments. …
Don’t remove the piercing !
Do remember that the healing process for pierced ears is usually around 6 months, with most of it occurring in the first 6 weeks.
Go to the doctor when the infection doesn’t clear, she may need antibiotics

Try taking the piercing out and washing both the earing and her ear in a solution of teatree oil and warm water. Do this a couple of times a day if possible. It will sting quite a bit but is a natural antiseptic and antifungal treatment.

My daughter had recurrent infections in her piercing holes. I noticed certain metals set it off sometimes. Regular bathing in antiseptic wash, apply antiseptic cream. If it doesn’t clear, you may have to remove the earrings

Some ice or ointment from the chemist!

To stop it reoccurring bath in salt water every day.

Salt water is always good but if she is susceptible to infection she won’t be able to wear cheap earrings and not good to them in all the time….

get the disinfectant spray and use that and keep the area clean

I would get prescribed medication from your doctor in case infection gets worse. In the meantime a solution of water with some tea tree oil may help.

warm salty water, alcohol rub, or buy a sanitizing spray from a piercing specialist. See the chemist or doctor if you are worried about the infection, they can advise you.

My professional piecer,recommended salt washes ,eh salt & water ,day & nite ,cheer .

If it was me I’d go to the Chemist and see what they could recommend or even a Doctor, he might prescribe and antibiotic cream, in the meantime clean with some rubbing alcohol if you have it. I hope your daughter’s ear clears up quickly.

Alcohol spray. If she wants to keep the hole in then she’d have to leave the earring in while it heals but keep moving it around everyday to stop it getting stuck while the skin heals.

if they aren’t real silver maybe that what is giving her the infection, Rakija helps aswell

the spray from the chemist is really only alcohol based to dry out the hole, if you don’t like metho get an alcohol spray to dry out the infection