 [ Symptoms ] i have been taking advil for over 3 weeks i want to stop and switch over to plain aspirin can i do that safely  i heard that you cannot just stop taking advil i have been taking 2 twice a day for back pain [ Disease ] yes you can just stop taking advil ibuprofen there will be no health consequences why would you want to swtich to plain aspirin aspirin can have more side effects than ibuprofen depending on your dose and how you use it so it would be wise to run this by your medical provider    someon who knos your medical history