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Benzocaine (By mouth)

Benzocaine (BEN-zoe-kane)

There may be other brand names for this medicine.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to benzocaine or other similar medicines.

This medicine is not for long-term use. Do not use this medicine for longer than directed by your dentist or doctor.
Your doctor will tell you how much of this medicine to use, where to apply it, and how often to apply it. Do not use more medicine or use it more often than your doctor tells you to. Too much of this medicine can cause serious side effects.
Do not get this medicine into the eyes or in the area near the eyes.
To use this medicine:
- Liquid or gel: Apply a small amount of this medicine on the affected gum area.
- Film: Make sure your fingers are dry before you touch the film. The film can be folded in half or left unfolded. Place the film in the mouth on the affected gum area. Allow the film to dissolve completely. Use only 1 film each time.
- Spray: A dentist, nurse, or other trained health professional will give you this medicine before a procedure.
- Swab: Hold the swab with the white tip down. Bend and snap open the swab tip at the colored rings. Use each swab only 1 time.
Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Some foods and medicines can affect how benzocaine works. Tell your doctor if you are using products containing nitrates or nitrites.

Tell your doctor if you are pregnant or breastfeeding, or if you have lung or breathing problems (including asthma, bronchitis, or emphysema), heart disease, or G6PD deficiency. Tell your doctor if you smoke.
Do not give this medicine to a child younger than 2 years of age. This medicine should not be used for teething pain.
This medicine may cause a rare but serious blood problem called methemoglobinemia. This condition may occur after use of the spray for medical procedures or use of the over-the-counter gel or liquid for mouth sores or teething in children.
The liquid form of this medicine is flammable. Keep it away from heat or an open flame. Do not smoke while you are using this medicine.
Call your doctor if your symptoms do not improve or if they get worse.
Keep all medicine out of the reach of children. Never share your medicine with anyone.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Confusion, headache, lightheadedness, fast heartbeat or breathing
Fever, swelling, or rash
Increased pain, irritation, or redness
Pale, gray, or blue skin, lips, or nails
Unusual drowsiness

Last Updated: 12/4/2023