\t\t\t<\/p>\n \t\t\t\t\t\t <\/p>\n \tRelated story \t\t\t\t\t<\/p>\n \t\t\t\t\tPrepare Your Family for Cold & Flu Season With These Homeopathic Remedies Teens & Tweens Will Actually Want to Take\t\t<\/p>\n <\/span><\/p><\/div>\n \t\t<\/a><\/p>\n<\/article>\n \t \n\tMedicine stacking can happen when you combine products without realizing they contain the same active ingredient. You might take a cold medicine for a cough, then reach for Tylenol for a headache. You\u2019re treating different symptoms, but you may be taking more of the same drug.<\/p>\n \n\t\u201cThe challenge is that acetaminophen is found in many combination products, so people may not realize how much they are taking,\u201d pharmacist Dr. Sarah McBane also told Parade<\/em><\/a>.<\/em><\/p>\n \n\tIt\u2019s easy to lose track of the total when you\u2019re counting doses from separate bottles.<\/p>\n \n\t\u201cWhen too much acetaminophen is taken at once, the body\u2019s normal clearing pathways become overwhelmed,\u201d Redmond added. \u201cGlutathione \u2014 an antioxidant in our liver \u2014 normally can neutralize some of the toxic byproducts of acetaminophen metabolism, but glutathione becomes depleted at high doses.\u201d<\/p>\n \n\tBefore reaching for another bottle, turn both packages around. The front tells you what symptoms a medicine treats; the active ingredients <\/em>tell you whether you\u2019re doubling up.<\/p>\n \n\t\u201cBecause acetaminophen can appear under different abbreviations like \u2018APAP,\u2019 \u2018aceta\u2019 and \u2018acetamin\u2019 on prescription bottles and also appears in hundreds of OTC brand names, checking the label is the only way to prevent accidental double-dosing across multiple products,\u201d pharmacist Dr. Danielle Oncer also told Parade<\/em>.<\/p>\n \n\tHere\u2019s what to check:<\/p>\n \n\tThe FDA<\/a> says the maximum recommended adult dose is 4,000 milligrams in 24 hours from all medicines combined, but that doesn\u2019t mean you should take more than an individual product\u2019s label allows; some products have lower limits. A healthcare professional may also recommend a lower limit based on your health history.<\/p>\n \n\tThe agency also advises against taking more than one OTC acetaminophen-containing medicine or combining prescription and OTC acetaminophen products unless a healthcare professional tells you to.<\/p>\n \n\t\u201cIf you\u2019re taking more than one medicine at a time, you may be putting yourself at risk for liver damage,\u201d Dr. Fathia Gibril, a supervisory medical officer at the FDA, said in an agency news release, per Medical Xpress<\/a>.<\/p>\n \n\tExamples include Mucinex Cold & Flu daytime and nighttime products and Alka-Seltzer Cold day\/night products. Harvard Health<\/a> also names NyQuil and Theraflu.<\/p>\n \n\tPrescription medicines can contain acetaminophen, too. Percocet, for example, combines oxycodone with acetaminophen. In 2011, the FDA<\/a> asked manufacturers to limit acetaminophen in prescription combination medicines to 325 milligrams per tablet or capsule to reduce the risk of severe liver injury.<\/p>\n \n\tA 30-milliliter adult dose of standard DayQuil Cold & Flu liquid contains 650 milligrams of acetaminophen. Add one 500-milligram extra-strength Tylenol tablet, and you\u2019re suddenly taking 1,150 milligrams at once.<\/p>\n \n\tThe agency advises against<\/a> taking more than one OTC medicine containing acetaminophen. Don\u2019t combine prescription and OTC acetaminophen products unless a healthcare professional tells you to.<\/p>\n \n\tIn January 2026, the New Jersey Poison Control Center reported 85 cases of people taking too much acetaminophen too close together since flu season began in November 2025. In another 34 cases, people had taken multiple medicines without knowing each contained acetaminophen.<\/p>\n \n\tAn acetaminophen overdose isn\u2019t always obvious. You may feel fine at first, and symptoms can take days to show up. Nausea, vomiting, right-sided abdominal pain, and a general feeling of being unwell can seem like signs that your cold or flu is getting worse.<\/p>\n \n\tIf you think you or your child may have taken too much acetaminophen, call Poison Help at 1-800-222-1222 right away. Specialists are available 24\/7, and you don\u2019t need to wait until you feel sick<\/a> to ask for help<\/a>. If someone isn\u2019t breathing, is difficult to wake, or is having a seizure, call 911.<\/p>\n \n\tFor everyday use, keep the rule simple: Don\u2019t take more than one OTC medicine containing acetaminophen, and always check the active ingredients before combining products. Look for abbreviations such as APAP on prescription labels, and ask a pharmacist if you\u2019re unsure what you can take together.<\/p>\n \n\tFollow each product\u2019s dosing directions, and remember that the FDA\u2019s maximum recommended adult dose from all medicines combined is 4,000 milligrams in 24 hours.<\/p>\n<\/p><\/div>\n![\"ZICAM\"](\"https:\/\/www.sheknows.com\/wp-content\/themes\/vip\/pmc-sheknows-2020\/assets\/public\/lazyload-fallback.gif\")
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\n<\/section>\n<\/p>\n\n\t\tWhat Is Medicine Stacking?\t<\/h2>\n
\n\t\tCheck the \u2018Active Ingredients\u2019\t<\/h2>\n
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\n\t\tWhich Cold Medicines Contain Acetaminophen?\t<\/h2>\n
\n\t\tWhat Poison Control Sees During Cold and Flu Season\t<\/h2>\n
\n\t\tWhat to Do If You Accidentally Took Too Much Acetaminophen\t<\/h2>\n