Benzocaine - Applications
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Generic Name: benzocaine topical (BENZ oh kane TOP ik al)
Benzocaine is a local anesthetic (or numbing medication). It blocks the nerve signals in your body. Benzocaine topical is used to help reduce pain and discomfort caused by skin irritations, sunburn, ingrown toenails, sore throat, teething pain, vaginal or rectal irritation, hemorrhoids, and other sources of minor pain on the surface of the body. Benzocaine can also numb the skin or surfaces inside the mouth, nose, throat, vagina, or rectum to lessen the pain when inserting medical instruments such as a tubes or speculums.
What is the most important information to know about benzocaine topical?
Benzocaine topical used in the mouth or throat may cause methemoglobinemia (met-HEEM-oh glo-bin-EE-mee-a), This is a life-threatening condition caused when the amount of oxygen in your blood stream becomes dangerously low. Do not use benzocaine topical if you have ever had methemoglobinemia.
GET EMERGENCY MEDICAL HELP IF YOU EXPERIENCE YMPTOMS OF METHEMOGLOBINEMIA: tired feeling, confusion, headache, fast heart rate, feeling light-headed, short of breath, also if you have a pale, blue, or gray appearance on your skin, lips, or fingernails. This medicine must not be used on children younger than 2 years old without seeking prior medical advice. An overdose of numbing medications absorbed through your skin and into your blood can cause fatal side effects. Therefore you must use the smallest amount of this medication needed.
Use the smallest amount of this medication needed to numb the skin or relieve pain. Never use large amounts of benzocaine, or cover treated skin areas with a bandage or plastic wrap without medical advice. Be aware that many cosmetic procedures are performed without a medical doctor present. Your body may absorb more of this medication if you use too much, if you apply it over large skin areas, or if you apply heat, bandages, or plastic wrap to treated skin areas. Skin that is cut or irritated may also absorb more topical medication than healthy skin. Before using benzocaine topical, tell your doctor if you have any type of inherited enzyme deficiency, heart disease, a breathing disorder such as asthma, bronchitis, or emphysema, or if you smoke. If you are treating a sore throat, call your doctor if the pain is severe or lasts longer than 2 days, especially if you also develop a fever, headache, skin rash, swelling, nausea, vomiting, cough, or breathing problems.