What Causes Heat Bumps On Face And Chest While Being On Birth Control Pills?

hi i started on yasmin birth control around november time and have stopped last wednesday because me and my partner are now ready for a child, whilst on the pill i developed strange like heat lumps generally onli first thing in the morning and at night on my face and chest i now have a very strong odour to my urin in the mornings and the heat lumps are still there?