![]() ![]() They usually clear up in 2 to 4 weeks, but they can come back. When you’re infected with the virus, it can affect your nerve sensation and make your lips feel numb. They’re usually caused by a virus called herpes simplex. Small, round bumps or blisters that may ooze or crust (usually clustered around the corners of the mouth)Ĭold sores are tiny, fluid-filled blisters that appear on and around your lips.Lip burning, itching, or tingling (usually occurs before blisters develop).If you have symptoms of anaphylaxis, use an Epi-pen (epinephrine), if you have one, and go to the ER. These block your body from releasing chemicals like histamine that contribute to allergy symptoms. Mild allergic reactions can be treated at home with over-the-counter antihistamines like Benadryl. Symptoms may include hives, shortness of breath, and vomiting. Anaphylaxis is a life-threatening allergic reaction that affects multiple body organs and it can cause dangerously low blood pressure. ![]() Angioedema is when lips, tongue, and face swell, which can cause difficulty breathing. Other allergic reactions can be severe and life-threatening. These reactions can usually be treated at home. ![]() Some allergic reactions are mild and only cause hives or itching. Lip numbness can be an allergic reaction to dust, pollen, a medication, cosmetics, or particular foods. If you bit all the way through your lip, you may need antibiotics to prevent an infection from mouth bacteria in the wound. Go to the ER If your lip numbness is caused by a serious event such as a head injury or seizure. It often goes away in a few days as the mouth heals. Lip numbness can occur from a minor injury, such as biting your lip or a burn caused by eating food that was too hot.
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