Doctors Note Logo

Published on: 10/22/2026

Why Benzocaine Gels Are Not Safe for Babies' Gums

Benzocaine teething gels are not recommended for babies because they can trigger methemoglobinemia, a rare but potentially life threatening condition that reduces the oxygen carried in a baby's blood, which is why the FDA has warned against using these products in children under 2 and asked manufacturers to stop marketing them for teething pain. Warning signs can appear within minutes to hours and include pale, gray or blue colored skin, lips or nail beds, shortness of breath, unusual fatigue, rapid heartbeat or irritability. Benzocaine also numbs the gag reflex and is quickly washed away by saliva, so the risk often outweighs the brief relief it may provide. Safer comfort measures, dosing concerns, and the symptoms that signal an emergency are explained below, along with details every caregiver should review before using any oral numbing product.

If your baby is fussy, drooling, or you are worried about a reaction to a teething product, it helps to get clarity fast rather than guessing. A free, instant, online symptom check walks you through targeted questions, highlights possible causes based on the specific signs you describe, and helps you judge whether home care is reasonable or whether this warrants urgent medical attention. It takes only a few minutes, requires no appointment, and can help you arrive at a doctor's visit with clearer information and better questions.

Last reviewed for medical accuracy: 10/22/2025

answer background

Concerned about your symptoms?

Explanation

Why Benzocaine Gels Are Not Safe for Babies’ Gums

As a parent, you want the best relief for your baby’s teething discomfort. Over-the-counter gels—often containing benzocaine—seem like a quick fix. However, many health experts and the U.S. Food and Drug Administration (FDA) have raised serious concerns. Here’s what you need to know about the orajel benzocaine infant warning and safer teething alternatives.


What Is Benzocaine?

  • Benzocaine is a local anesthetic that numbs tissue on contact.
  • It’s found in products like Oragel, Baby Orajel and other “toothache” or teething gels.
  • For adults, it can provide temporary relief of minor mouth pain.

FDA Warning: Methemoglobinemia Risk

In 2018, the FDA strengthened its warning about benzocaine gels for infants and young children:

  • Methemoglobinemia: A rare but serious blood disorder where oxygen delivery to tissues is reduced.
  • Symptoms can develop quickly: Within minutes to hours after application.
  • Outcome: Without prompt treatment, methemoglobinemia can lead to seizures, coma or even death.

The FDA now recommends against using benzocaine products in children younger than two years old, except under specific medical advice.


Why Babies Are More Vulnerable

  1. Immature Enzymes
    Babies’ bodies are still developing the enzymes that break down medications. Benzocaine may linger longer and in higher levels than in adults.

  2. Thin Oral Tissues
    The delicate lining of a baby’s mouth absorbs topical agents more quickly, increasing systemic exposure.

  3. Unpredictable Dosing
    It’s easy to apply too much gel. Even a small extra amount can raise the risk of methemoglobinemia.


Recognizing Methemoglobinemia in Infants

Early detection is vital. Look for:

  • Cyanosis: Bluish or grayish color around lips, tongue, fingernails.
  • Difficulty breathing or rapid breathing.
  • Lethargy: Unusual sleepiness or weakness.
  • Irritability: Persistent crying and distress.
  • Fever: Mild to moderate, without other clear cause.

If you suspect any of these signs, seek immediate medical attention.


Safer Teething Relief Strategies

Rather than benzocaine gels, consider these tried-and-true methods:

  • Chilled Teething Rings
    Avoid freezing solid—icy hardness can hurt gums. A slightly chilled ring offers soothing pressure.

  • Clean, Wet Washcloth
    Dampen and chill in the refrigerator. Soft texture and cool temperature help relieve pain.

  • Gentle Gum Massage
    Wash your hands thoroughly, then use a clean finger to rub your baby’s gums. Mild pressure can soothe irritation.

  • Over-the-Counter Pain Reliever
    Infant acetaminophen or ibuprofen (for babies over six months) can be used at recommended doses. Always follow dosing instructions or consult your pediatrician.


The Role of the “orajel benzocaine infant warning”

When you see labels or ads featuring “orajel benzocaine infant warning,” it reflects:

  • A legal requirement to inform caregivers of the FDA’s safety concerns.
  • An urgent reminder that what works for adults may harm babies.
  • A prompt to explore safer, non-anesthetic options for teething relief.

When to Seek Professional Help

Teething discomfort peaks around six months but usually resolves by age three. Still, persistent or severe symptoms warrant medical advice:

  • High fever (above 100.4°F or 38°C)
  • Diarrhea or vomiting
  • Signs of dehydration (fewer wet diapers, sunken soft spot on head)
  • Any breathing difficulties or unusual skin color changes

You might also consider a free, online symptom check, using the doctor approved Ubie Symptom Checker if you’re unsure about the severity of your baby’s symptoms.


Talk to Your Doctor

None of the information above replaces professional medical advice. Always:

  • Discuss any teething concerns with your pediatrician.
  • Read and follow labels for all medications.
  • Call emergency services or go to your nearest hospital if your baby shows life-threatening signs.

Keeping your baby safe is your top priority. By avoiding benzocaine gels and opting for gentler methods, you can ease teething pain without the hidden dangers of methemoglobinemia. If you have any doubts or need tailored guidance, please speak to a doctor.

(References)

  • * Gupta PM, Lala DS, Arsura EL. Benzocaine-induced methemoglobinemia. South Med J. 2000 Jan;93(1):83-6. PMID: 10653076.

  • * Raymond P. Bye-bye benzocaine?. Nursing. 2003 Jul;33(7):10. doi: 10.1097/00152193-200307000-00003. PMID: 12862005.

  • * Hegedus F, Herb K. Benzocaine-induced methemoglobinemia. Anesth Prog. 2005 Winter;52(4):136-9. doi: 10.2344/0003-3006(2005)52[136:BM]2.0.CO;2. PMID: 16596913; PMCID: PMC1586795.

  • * Moos DD, Cuddeford JD. Methemoglobinemia and benzocaine. Gastroenterol Nurs. 2007 Sep-Oct;30(5):342-5; quiz 346-7. doi: 10.1097/01.SGA.0000296253.78457.f4. PMID: 18049203.

  • * Bourke DL, Marcucci C. Banana blues. Anesth Analg. 2010 Jan 1;110(1):259-60; author reply 260-1. doi: 10.1213/ANE.0b013e3181c3c90a. PMID: 20023189.

  • * Kaufman MR, Aouad RK. Benzocaine-Induced Methemoglobinemia. J Emerg Med. 2017 Dec;53(6):912-913. doi: 10.1016/j.jemermed.2017.09.004. Epub 2017 Nov 6. PMID: 29102098.

  • * Khanal S, Modi R, Akhtar K, Ghimire A. Benzocaine-Associated Methemoglobinemia. Am J Ther. 2018 Nov/Dec;25(6):e771-e772. doi: 10.1097/MJT.0000000000000782. PMID: 29912717.

  • * Benzocaine. 2006. PMID: 30000812.

  • * Singh R, Patel P, Al Khalili Y. Benzocaine. 2024 Jan. PMID: 31082097.

  • * Warren OU, Blackwood B. Acquired Methemoglobinemia. N Engl J Med. 2019 Sep 19;381(12):1158. doi: 10.1056/NEJMicm1816026. PMID: 31532963.

Tell your friends about us.

We would love to help them too.

smily Shiba-inu looking

For First Time Users

What is Ubie’s Doctor’s Note?

We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.

Was this page helpful?

Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.