Nausea, vomiting, diarrhea, anorexia, heartburn; abdominal pain, tenderness & discomfort; anaphylactic shock, anaphylactoid reactions; back pain, musculoskeletal pain or discomfort, myalgia, arthralgia, muscle cramps & spasms, fatigue; giddiness, convulsion, dizziness, drowsiness, headache, migraine; nasal & sinus symptoms including resp tract & sinus congestion, sinusitis, acute sinusitis, sinus headache; allergic sinusitis, sinus pain, multiple allergies, seasonal allergies; allergic skin reaction, rash, itching; thromboembolic events, chromatopsia, impaired colored vision & other visual disturbances, hypotension, anemia, shock.