The active ingredient, Crisaborole, is a phosphodiesterase-4 (PDE-4) inhibitor, mainly acting on phosphodiesterase 4B (PDE4B), which causes inflammation. Chemically, Crisaborole is a phenoxybenzoxaborole. It contains a boron atom that helps penetrate the skin and is essential for its binding activity. Inhibition of PDE4B appears to suppress the release of tumor necrosis factor alpha (TNFα), interleukin-12 (IL-12), IL-23 and other cytokines, proteins believed to be involved in the immune response and inflammation.

Crisaborole is indicated for topical treatment of mild to moderate atopic dermatitis in pediatric patients 3 months of age and older.

Apply a thin layer of Crisaborole twice daily to affected areas. Crisaborole is for topical use only and not for ophthalmic, oral, or intravaginal use.

Allergic reactions- Crisaborole may cause allergic reactions at or near the application site. These can be serious and may include hives, itching, swelling, and redness. The most common side effect of Crisaborole is application site pain, such as burning or stinging.

Hypersensitivity reactions, including contact urticaria have occurred in patients treated with Crisaborole. If signs and symptoms of hypersensitivity occur, discontinue Crisaborole immediately and initiate appropriate therapy.

Pregnancy & Lactation

Pregnancy: There is no available data with Crisaborole in pregnant women to inform the drug-associated risk for major birth defects and miscarriage. In animal reproduction studies, there were no adverse developmental effects observed with oral administration of crisaborole in pregnant rats and rabbits during organogenesis at doses up to 3 and 2 times, respectively, the maximum recommended human dose (MRHD).

Lactation: There is no information available on the presence of crisaborole in human milk. Crisaborole is systemically absorbed. The lack of clinical data during lactation precludes a clear determination of the risk of crisaborole to a breastfed infant.