What are the possible side effects of lansoprazole and naproxen (PREVACID NapraPAC 500)?
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 using this medication and call your doctor at once if you have any of these serious side effects: • chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; • sudden numbness or weakness, especially on one side of the body; • sudden headache, confusion, problems with vision, speech, or balance; • swelling, rapid weight gain, feeling short of breath, even with mild exertion; • black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds; • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or • pale skin, easy bruising, weakness. Less serious side effects may include: • mild stomach pai
