4) Cough
5) Diarrhea
6) Itching
7) Joint pain
8) Red skin lesions
9) Sore throat
10) Ulcers
11) White spots on the lips or mouth
12) Unusual fatigue
Of course, most of these may be reactions in combination with other medications or the result of some other underlying illness. Ibuprofen has what are termed “black box warnings,” which are indications that some severe consequences may occur and that anyone contemplating its use should consult a doctor.