Pharmacology: Abametapir functions as a metalloproteinase inhibitor, targeting enzymes essential for the development and survival of lice eggs. By inhibiting these enzymes, abametapir disrupts critical physiological processes in lice.

Dosage & Administration: For topical use only. Shake the bottle well before application. Apply a sufficient amount to thoroughly coat dry hair and scalp, using up to the full contents of one bottle if necessary. Massage into the scalp and hair, leave on for 10 minutes, then rinse off with warm water. Treatment involves a single application; do not re-treat.

Interaction: Abametapir may increase the serum concentration of drugs metabolized by CYP3A4, CYP2B6, and CYP1A2 enzymes. It is advisable to avoid using such drugs for two weeks following abametapir application.

Contraindications: There are no specific contraindications listed in the manufacturer’s labeling.

Side Effects: Common side effects include skin redness, rash, burning sensation, skin irritation, vomiting, eye irritation, itchy scalp, and changes in hair color.

Pregnancy & Lactation: Adverse events were not observed in animal reproduction studies following oral administration. However, the safety of abametapir in pregnant and lactating women has not been established.

Precautions & Warnings: Abametapir lotion contains benzyl alcohol, which has been associated with serious adverse reactions and death in neonates and low birth-weight infants. Therefore, its use is not recommended in pediatric patients under 6 months of age due to the potential for increased systemic absorption. Additionally, administer only under direct supervision of an adult to prevent accidental ingestion.

Overdose Effects: If accidentally swallowed, seek medical advice immediately and contact a local poison control center.

Therapeutic Class: Abametapir belongs to the therapeutic class of topical antiparasitic agents.

Storage Conditions: Store upright at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F). Do not refrigerate or freeze. Discard unused product; do not flush contents down sink or toilet.

Chemical Structure: Abametapir is chemically known as 5,5′-dimethyl 2,2′-bipyridinyl