Had fever. Took 3 biogesics 500mg 6am 1pm 6pm. Then massage at night. Then will be taking flanax 500mg 9pm is it safe?

Be careful. One ingredient in this product is Acetaminophen may cause serious (possibly fatal) liver disease. Adults should not take more than 4000 milligrams (4 grams) of Acetaminophen a day. The NSAID Naproxen should not interact with acetaminophen, but more importantly is the question of why you have fever that needs suppressing. Many feel that fever is beneficial to the body in fighting infection.