Daily OTC Pearl: Tolnaftate (Tinactin)

Tinactin is an effective medication for athlete's foot, ringworm, and jock itch.

OTC/Lifestyle Pearl of the Day: Tolnaftate (Tinactin)

Indication: Tinactin (tolnaftate) is an effective OTC medication used for athlete's foot, ringworm, and jock itch, but it shouldn't be used for more serious infections.


  • Tinactin is an antifungal medication
  • Dosage forms: It comes in creams or a can of spray.
  • Dosing: It’s recommended to apply a thin layer of Tinactin to the affected areas twice daily for 4 weeks. If you are using this for athlete's foot, be sure to apply it between the toes as well.
  • Mechanism of action: Tinactin is believed to prevent ergosterol biosynthesis by inhibiting squalene epoxidase. It has also been reported to distort the hyphae and to stunt mycelial growth in susceptible organisms.
  • The area of the application must be washed thoroughly and be dry before the application process.
  • Tinactin solution and spray are flammable. Avoid fire, flames, or smoking during and after applying Tinactin.
  • Store your container in a cool, dry place away from sources of heat.
  • Tinactin should not be used in children under 2 years of age.