Hello Doctor my son is now 4 months 18 days old we took him for vaccination on 11 this month for Penta 3. the lump of left leg Penta 3 is still there I gave him formentation wid ice but due to high winter temperature I didn't able to do it frequently which I done for last 2 vaccination.. also I am applying the ointment thrombophob gel (blue in color tube) still the lump is there is ther any thing you suggest me to cure that vaccine lump.... #asktheexperts