After using lice shampoo, eggs remain; what should be done with them? - briefly
Manually remove the remaining nits with a fine‑tooth comb and repeat the treatment after 7–10 days to catch any newly hatched lice. Wash bedding, clothing, and personal items in hot water and dry on high heat to eliminate residual eggs.
After using lice shampoo, eggs remain; what should be done with them? - in detail
When a pediculicide shampoo is applied, viable nits may still be present on the scalp or hair shafts. The shampoo’s active ingredient typically kills live lice but does not dissolve the protective shell of the egg. Consequently, the next steps focus on physically removing the remnants and preventing re‑infestation.
First, use a fine‑toothed nit comb on wet, conditioned hair. Start at the scalp and pull the comb through each section toward the ends, wiping the teeth after each pass. Repeat the combing process at least twice a day for ten days, because hatching can occur up to nine days after treatment.
Second, treat the environment:
- Wash all bedding, pillowcases, and washable clothing in hot water (minimum 130 °F/54 °C) and tumble‑dry on high heat for at least 20 minutes.
- Seal non‑washable items in a sealed plastic bag for two weeks, the typical lifespan of a louse egg.
- Vacuum carpets, upholstered furniture, and car seats thoroughly; discard vacuum bags or empty canisters immediately.
- Clean hairbrushes, combs, and hair accessories by soaking them in hot, soapy water for ten minutes, then rinsing and drying.
Third, consider a second application of the shampoo if the product label recommends a repeat dose after seven to ten days. Follow the manufacturer’s instructions precisely, avoiding over‑use that could irritate the scalp.
Finally, monitor for signs of live lice—itching, visible insects, or new nits—throughout the two‑week period. If any are observed, repeat the combing regimen and, if necessary, consult a healthcare professional for alternative treatments.