# Quick summary When a school note says a case of head lice has been reported, it adds stress to an already full week. Two facts matter most: common drugstore lice boxes often fail because of lice resistance, and there is a prescription alternative that can treat lice and eggs in one application for most patients.
# Why drugstore boxes are failing
Trying the same product again usually won't help. Resistance develops the same way it does in other pests: repeating an ineffective approach does not change the result.
# What to consider next Spinosad Topical Suspension 0.9% is a prescription option mentioned in this report. Key, concrete points about it:
- It is a medicated shampoo formulation that kills both live lice and their eggs in a single application for most patients.
- Nit combing is not required for most patients after using it.
- The product is FDA‑approved for adults and children 6 months and older.
- Many major insurance plans cover it, and Medicaid is listed among the plans that may provide coverage.
# How this compares with lice-removal clinics When OTC boxes fail, some families choose professional lice-removal clinics. Those clinics can be useful for families who prefer in-person treatments, but there are practical trade-offs:
- Clinic visits typically accept cash at the time of service and generally do not bill insurance or Medicaid.
- Visits take time and one appointment can turn into several, adding to scheduling and cost burdens for busy families.
Families weighing options should compare time, cost, and insurance coverage when deciding between a prescription treatment and clinic services.
# Practical steps for parents who get a school notice
- 1Don't assume you did something wrong. Lice resistance explains many treatment failures.
- 2Avoid automatically buying more of the same OTC product if it already failed. Repeating it is unlikely to change the outcome.
- 3Talk to your child's pediatrician about prescription options such as Spinosad Topical Suspension 0.9% and whether it is appropriate for your child's age and health situation.
- 4Ask your insurer about coverage before filling a prescription to understand potential out-of-pocket costs.
- 5If you consider a lice-removal clinic, confirm payment policies and expected number of visits ahead of time.
# Bottom line Head lice remain common, but the treatment landscape has shifted because the pests have developed resistance to older OTC active ingredients. A prescription shampoo that treats lice and eggs in one application is an available option for many families, and insurance coverage can make it a practical alternative to repeated OTC attempts or multiple paid clinic visits.