Pyrethrum Extract

• ​Uses ​ ​Uses treats head lice, pubic (crab) lice, and body liceICD-10: B85.0

​ ​Directions ​Important: Read warnings before use. adults and children 2 years and over: Inspect check each household member with a magnifying glass in bright light for lice/nits (eggs) look for tiny nits near scalp, beginin at back of neck and behind ears examine small sections of hair at a time unlike dandruff which moves when touched, nits stick to the hair if either lice or nits are found, treat with this product ​Treat apply thoroughly to dry hair or other affected area. For head lice, first apply behind ears and to back of neck. allow product to remain for 10 minutes, but no longer use warm water to form a lather, shampoo, then thoroughly rinse for head lice, towel dry hair and comb out tangles. ​Remove lice and their eggs (nits) use a fine-tooth or special lice/nit comb. Remove any remaining nits by hand (using a throw-away glove.) hair should remain slightly damp while removing nits if hair dries during combing dampen slightly with water for head lice, part hair into sections. Do one section at a time starting on top of head. Longer hair may take 1 to 2 hours. life a 1- to 2- inch wide strand of hair. Place comb as close to scalp as possible and comb with a firm, even motion away from scalp. Pin back each strand of hair after combing clean comb often. Wipe nits away with tissue and discard in a plastic bag. Seal bag and discard to prevent lice froom coming back. after combing, thoroughly recheck for lice/nits. Repeat combing if necessary.

​Warnings ​ For external use only. Do not use near eyes inside nose, mouth or vagina on lice in eyebrows or eyelashes. See a doctor if lice are present in these areas. Ask a doctor before us if you are allergic to ragweed, May cause breathing difficulty or an asthmatic attack. When using this product keep eyes tightly closed and protect eyes with a washcloth or towel if product gets in eyes, flush with water right away scalp itching or redness may occur. Stop use and ask doctor if breathing difficulty occurs eye irrirtation occurs skin or scalp irritation continues or infection occurs Keep out of reach of children If swallowed, get medical help or contact a Poison Control Center right away.

1. 1Drug Ineffective222%
2. 2Therapy Non-responder222%
3. 3Abdominal Pain111%
4. 4Application Site Pain111%
5. 5Chemical Burn111%
6. 6Crying111%
7. 7Diarrhoea111%
8. 8Drug Resistance111%
9. 9Emotional Distress111%
10. 10Expired Product Administered111%
11. 11Hodgkin^s Disease111%
12. 12Lip Swelling111%
13. 13Liver Injury111%
14. 14Product Formulation Issue111%
15. 15Pruritus111%

The 2 most recently updated of 2 ClinicalTrials.gov registrations naming Pyrethrum Extract as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.

• Safety and Efficacy of Head-lice Treatments Elimax Green Lotion and Walgreens Lice Killing Shampoo
  Recruiting · Interventional · 86 enrolled · Oystershell NV
  NCT07191457updated 2025-09-24
• Safety and Efficacy of a Head Lice Shampoo
  Completed · Interventional · 109 enrolled · Oystershell NV
  NCT06333054updated 2024-03-27

Frequently asked questions

What is Pyrethrum Extract used for?

According to FDA labeling, Pyrethrum Extract carries indications including: ​Uses ​ ​Uses treats head lice, pubic (crab) lice, and body lice. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.

What class of drug is Pyrethrum Extract?

Pyrethrum Extract is classified as Pyrethrines, incl. synthetic compounds.