I hope you know what you got as a lip swelling
is called an ''angio-neurotic edema'' and can be a serious problem.
You have to take every care to carry your medicines in your emergency kit - I advise my patient to carry an anti-allergic and steroids
in tablet and injection forms along with injection adrenalin (life saving) 24/7= always.
Now you can take a regular course of 3 weeks as per your Doctors advise.