The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes  the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
According to my doctor, 4 hours. You can switch them up. Take acetaminophen, (Tylenol), then wait 4 hours and take Ibuprofen, wait another 4 hours and take acetaminophen and sâ¦o on.
How much acetaminophen can I take? The recommendation is 325 mg to 650 mg every 6 hours, or 1000 mg (2 extra strength tablets) every 8 hours or twice a day. The maximum dose is 4 grams per day, which would be 8 extra strength Tylenol (500 mg each) or 12 regular strength (325 mg) tablets. Donât take more than that. How much ibuprofen can I take? For the treatment of mild to moderate pain, 200 mg to 400 mg of ibuprofen will work. Generally taken every 6 to 8 hours, the maximum dose of Ibuprofen is 2400 mg per day which is 12 over-the-counter tablets. Especially in light of the recent FDA recommendations, be sure not to take more ibuprofen or acetaminophen than you need to relieve your pain.