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Benzocaine/Menthol

Benzocaine/Menthol Side Effects

Robert Chad Hakim, PharmD, BCCCPKristianne Hannemann, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Kristianne Hannemann, PharmD
Last reviewed on July 18, 2024

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Throat numbness

Less Common Side Effects

  • Mouth tingling

Benzocaine/Menthol serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Severe blood problem (methemoglobinemia): seizure; loss of consciousness; trouble breathing; fast heart rate; confusion; feeling dizzy, faint, or tired; skin color turning blue or pale
  • Serious allergic reaction: swelling of the face, trouble breathing, throat tightening up, trouble speaking, red and itchy rash, lightheadedness, clammy skin

Source: DailyMed

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