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Salonpas

Salonpas Side Effects

Ally Tsai, PharmDDaisy Chau, PharmD
Reviewed by Ally Tsai, PharmD, Daisy Chau, PharmD
Last reviewed on April 23, 2025

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

  • Rash
  • Skin irritation
  • Itching
  • Redness

Less Common Side Effects

  • Pain
  • Swelling
  • Blistering

Salonpas serious side effects

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

  • Blood problems (methemoglobinemia): pale, gray, or blue-colored skin, headache, fast heartbeat, shortness of breath, lightheadedness, tiredness, seizures, coma
  • Too much lidocaine: numbness around the mouth, tingling in the tongue, dizziness, ringing in the ears, blurred vision
  • Serious allergic reactions: Swelling of the face, difficulty breathing, trouble speaking, throat tightening up, red and itchy rash, lightheadedness, clammy skin
When do Salonpas possible side effects begin and end?
Time passed since treatment started:
M
H
D
W
M
Skin irritation
Itching
Redness
Blistering

Source: DailyMed

The following Salonpas side effects have also been reported

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Headache, unusual weakness or fatigue, shortness of breath, nausea, vomiting, rapid heartbeat, blue skin or lips, which may be signs of methemoglobinemia
  • Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

  • Change in skin color
  • Irritation at application site
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