Undecided Question

Help allergic reaction to makeup?

My face never really break out , i have red bumps and spots over mouth they appear then disappear, every thing is burning my skin, i start using some foundation this week so i have to be allergy to that , i took some BENADRYL last nite it look like it help make it clear it a little so do i continue to take this since this is a allergy pill, or any or medicine and home care