Tylenol with Codeine 3 side effects Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Find patient medical information for Acetaminophen/Codeine (Tylenol with Codeine) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Learn about Tylenol with Codeine usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Compare Tylenol With Codeine 3 vs Tylenol With Codeine 4 head-to-head with other drugs for uses, ratings, cost, side effects and interactions. This combination medication is used to help relieve mild to moderate pain. It contains an opioid pain reliever (codeine) and a non-opioid pain reliever (acetaminophen). Codeine works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever. WARNING: SERIOUS AND LIFE-THREATENING RISKS FROM USE OF ACETAMINOPHEN AND CODEINE PHOSPHATE TABLETS Addiction, Abuse and Misuse Because the use of acetaminophen and codeine phosphate tablets exposes patients and other users to the risks of opioid addiction, abuse and misuse, which can lead to overdose and death, assess each patient’s risk prior to prescribing and reassess all patients. Medscape - Indication-specific dosing for Tylenol with Codeine, Tylenol 3, Tylenol 4 (codeine, acetaminophen), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. No information is available on the relationship of age to the effects of Tylenol® with codeine tablets in the pediatric population. Use of acetaminophen and codeine combination oral solution or tablets is not recommended in children younger than 12 years of age. Safety and efficacy have not been established. Tylenol number 3 is an effective, short-term option for managing pain. Explore its uses and side effects, as well as how the medication compares to Vicodin here. Tylenol 3 is a prescription painkiller that combines acetaminophen with codeine. Learn its side effects, dosages, and risk of addiction and dependence.