 [ Symptoms ] accidently took more advil i took 2 advil earlier around 7 or 8 and i forgot and took 2 more just now at 2am what do i do [ Disease ] assuming you are an average weight adult you do not have to do anything adults can take 600 mg to a maximum of 800 mg every 8 hours you only took 400 mg and then took 400 mg more seven hours later you will be fine