My 2 year old daughter woke up with a swollen eyelid. She is not in pain and it is only one eye.

Hello,

For the moment, to reduce and control the swelling, cold compresses (or ice in a wet towel) could be applied for about ten minutes/hour several times a day for the moment

You can also follow the evolution of the swelling, if redness or pain appears and consult a doctor if necessary.

Hoping to have answered your question correctly

Hope to see you soon!