acetaminophen vs lidocaine topical
Side-by-side comparison of acetaminophen and lidocaine topical. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
Drugs That May Cause Methemoglobinemia When Used with LIDODERM Patients who are administered local anesthetics are at increased risk of developing methemoglobinemia when concurrently exposed to the following drugs, which could include other local anesthetics: Examples of Drugs Associated with Methemoglobinemia : Class Examples Nitrates/Nitrites nitric oxide, nitroglycerin, nitroprusside, nitrous oxide Local anesthetics articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea,...
Recommendation: Your doctor should monitor you closely for signs of low oxygen if you use these medications at the same time.
Tylenol
Lidoderm
Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.
Lidoderm is a skin patch that contains the numbing medicine lidocaine. It is used to relieve nerve pain after shingles.
This medicine temporarily relieves minor aches and pains. It can help with headaches, the common cold, backaches, and minor arthritis pain. It can also help with toothaches, muscle aches, premenstrual and menstrual cramps. Acetaminophen can also temporarily reduce fever.
Lidoderm is used to relieve pain caused by post-herpetic neuralgia. This is nerve pain that can happen after you have shingles. The patch should only be applied to skin that is not broken or irritated.
Acetaminophen's exact mechanism is not fully understood. It is believed to work in the brain to reduce pain signals. It also helps to lower body temperature when you have a fever.
Lidoderm contains lidocaine, a local anesthetic. It works by numbing the area where you apply the patch. This reduces pain signals in that area.
- • Headache
- • Nausea
- • Blisters where you put the patch
- • Bruising where you put the patch
- • Burning feeling where you put the patch
- • Skin color changes where you put the patch
- • Skin irritation where you put the patch
- Tiredness 34,486
- Feeling sick to your stomach 29,571
- Head pain 28,378
- Aches 28,322
- Loose stool 23,628
No adverse event reports.
Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.
Using Lidoderm with certain drugs can increase the risk of a blood disorder called methemoglobinemia. Tell your doctor about all other medicines you take.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.
Tell your doctor if you are pregnant or breastfeeding before using Lidoderm. It is not known if Lidoderm can harm your unborn baby. It is also not known if Lidoderm passes into breast milk.
How to Read This acetaminophen vs lidocaine topical Comparison
acetaminophen is classified in the Analgesic / Antipyretic drug class, while lidocaine topical sits within the Topical Anesthetic class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, acetaminophen has 144,385 submissions while lidocaine topical has 0. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to both of these drugs can change how your red blood cells carry oxygen, which might lead to a rare but serious blood condition.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between acetaminophen and lidocaine topical - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.