Permethrin

🧮 Dose calculator

Scabies · Regimen source: FDA Permethrin 5% · Dosage and Administration

• • Itching may persist after treatment and is not by itself a reason to retreat. FDA Permethrin 5% · Dosage and Administration

👥 Special populations

• 🤰 PregnancyUse with caution

  Label states no clear risk or has limited data; use only if needed, under medical advice. FDA Permethrin 5% · Pregnancy:

  “Teratorgenic Effects: Pregnancy Category B Reproduction studies have been performed in mice, rats, and rabbits (200 to 400 mg/kg/day orally) and have revealed no evidence of impaired fertility or harm to the fetus due to permethrin.”

• 🤱 BreastfeedingUse with caution

  Label: use with caution while breastfeeding; see the label text. FDA Permethrin 5% · Nursing Mothers

  “Because many drugs are excreted in human milk and because of the evidence for tumorigenic potential of permethrin in animal studies, consideration should be given to discontinuing nursing temporarily or withholding the drug while the mother is nursing.”

• 👶 ChildrenSafety not established

  Label: safety and effectiveness in children have not been established. FDA Permethrin 5% · Pediatric Use

  “Safety and effectiveness in infants less than two months of age have not been established.”

• 👴 Older adultsUse with caution

  Label: use with caution in older adults, usually starting at the low end of the dose range. FDA Permethrin 5% · Geriatric Use

  “However, since topical permethrin is metabolized in the liver and excreted in the urine as inactive metabolites, there does not appear to be an increased risk of toxic reactions in patients with impaired renal function when used as labeled.”

• ⚥ Females & males of reproductive potentialNo data

  The source for this drug has no section for this group.