How much acetaminophen is in prescription-strength Tylenol products? The maximum amount of acetaminophen in prescription-strength Tylenol is 325 mg. But this hasn’t always been the case. Previously, prescription-strength Tylenol products could have up to 750 mg of acetaminophen. What’s the typical Tylenol dosage for adults? Tylenol comes in a few different doses, ranging from 325 mg to 650 mg. Below, you’ll find the standard adult dosage for each version. Adolescents ages 12 and older can follow the adult instructions for most Tylenol products. Shop for Tylenol in Pain management. Buy products such as Tylenol Rapid Release Extra Strength Gelcaps, Acetaminophen 500 mg, Strong, Fast, 100 Count at Walmart and save. These products combine acetaminophen (Tylenol) with a nonsteroidal anti-inflammatory drug (NSAID). They can be used for headaches, backaches, toothaches, menstrual cramps, arthritis pain, and. Find proper adult acetaminophen dosage to help ensure safe, effective pain reliever use. Use our dosage chart to find out the max dose for TYLENOL® products. Acetaminophen is used for the short-term relief of minor aches and pains due to colds, flu, headache, backache, arthritis, toothache, muscle pain, and menstruation. It also temporarily reduces fever. Yes, naproxen and acetaminophen (Tylenol) can be taken together safely for most healthy adults when used as directed, as they work differently to alleviate pain and have minimal direct interaction with each other. Get safe TYLENOL® dosing guidance for adults and children. Learn about recommended TYLENOL® dosages, how to read dosing charts, and how to use acetaminophen safely. You may take Tylenol whenever you need to relieve minor aches and pains but never exceed the recommended dose. If you're unsure about how much to take, talk to your doctor before you take Tylenol. Find patient medical information for Acetaminophen (Tylenol) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.