What are the possible side effects of Aleve Sinus & Headache (Naproxen Pseudoephedrine)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop taking naproxen and pseudoephedrine and seek medical attention or call your doctor at once if you have any of these serious side effects: chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds fast, pounding, or uneven heartbeat severe dizziness, anxiety, restless feeling, or nervousness easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure) urinating less than usual or not at all skin rash, bruising, severe tingling, numbness, pain, muscle weakness; or fever, headache, neck stiffness, chills, increased sensitivity to light, purple spots on the skin, and/or se
