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methylsalicylate/menthol/camphor topical (Muscle Rub, Air Salonpas, Bengay Ultra Strength Cream, Salonpas Pain Relieving Patch, Flexall Ultra Plus)

 

Classes: Analgesics, Other Combos; Analgesics, Topical

Dosing and uses of Muscle Rub, Air Salonpas (methylsalicylate/menthol/camphor topical)

 

Adult dosage forms and strengths

methylsalicylate/menthol/camphor

topical spray

  • 1.75%/3.2%/3%

topical cream/geL

  • 10%/16%/3.1%
  • 30%/10%/4%

topical patch

  • 6.3%/5.7%/1.2%

 

Analgesia for Minor Muscle/Joint Pain

Apply liberal amount topically to affected area and massage

Apply patch to affected area

 

Pediatric dosage forms and strengths

Safety and efficacy not established

 

Muscle Rub, Air Salonpas (methylsalicylate/menthol/camphor topical) adverse (side) effects

Frequency not defined

Stinging/burning/tingling sensation of skin

 

Warnings

Contraindications

Hypersensitivity

Severe renal impairment

 

Cautions

Topical use only

Avoid eyes

Avoid using over large surface area or for prolonged duration, particularly in young children (risk of salicylism)

 

Pregnancy and lactation

Pregnancy category: C

Lactation: Unknown whether distributed in breast milk

Pregnant or breastfeeding patients should seek advice of healthcare professional before using OTC drugs

 

Pregnancy categories

A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

NA: Information not available.

 

Pharmacology of Muscle Rub, Air Salonpas (methylsalicylate/menthol/camphor topical)

Mechanism of action

Anti-inflammatory, analgesia, local anesthesia