Well, you can suffer. That's about all you can do. Well, there are a few other things. If you don't do anything, you'll be totally miserable for about 2 weeks, maybe less, depending on how bad it is. It may help a bit for minor affliction, but is basically worthless.
Hydrocortisone is pretty useless as well.
Some poeople can find relief from these products. If you can, good luck. But if it is bad, what you want is Prednisone. See the next entry. Prednisone, a type of steroid, is very effective but may increase the likelihood of infection with prolonged use, so they will only prescribe it for about a week's worth of medication in descending dosage.