ivy rash, once it begins, the rash will usually clear on its own by 14-21 days. But sometimes there may be severe cases. Severe cases like extensive blistering and when rashes are present on the face
may need oral steroids. But they are available only on prescription. So if the symptoms become severe then please consult a dermatologist.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.