On the skin may include skin rashes, urticaria (hives),[10] angioedema,[11] dermatitis,[12] and eczema.[13] Respiratory tract symptoms can include nasal congestion, sinusitis, pharyngeal irritations, asthma and an unproductive cough. GIT symptoms include mouth ulcers, abdominal cramp, nausea, gas, intermittent diarrhea, constipation, irritable bowel syndrome (IBS),[6][7][9] and may include anaphylaxis.[13]