A subpopulation of patients with asthma may have aspirin-sensitive asthma which may include chronic rhinosinusitis complicated by nasal polyps ; severe, potentially fatal bronchospasm; and/or intolerance to aspirin and other NSAIDs. Because cross-reactivity between aspirin and other NSAIDs has been reported in such aspirin-sensitive patients, CELEBREX is contraindicated in patients with this form of aspirin sensitivity [see CONTRAINDICATIONS ]. When CELEBREX is used in patients with preexisting asthma (without known aspirin sensitivity), monitor patients for changes in the signs and symptoms of asthma.
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Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision or vision changes; chest pain; confusion; fainting; fast or irregular heartbeat; flu-like symptoms (fever, chills, sore throat); one-sided weakness; pale skin color; redness, tenderness, or swelling of the calf; seizures; severe diarrhea, dizziness, headache, stomach pain, or vomiting; severe or persistent tiredness or weakness; slurred speech; sudden pain or numbness of an arm or leg; sudden shortness of breath; sudden trouble walking or loss of balance; swelling of the arms or legs; vision or speech problems; weight gain.