Clarithromycin (Biaxin - Abbott) and azithromycin (Zithromax - Pfizer), two macrolide antibiotics chemically related to erythromycin, have been approved by the US Food and Drug Administration for treatment of respiratory, skin, and skin structure infections. Azithromycin has also been approved for treatment of nongonococcal urethritis and cervicitis caused by Chlamydia trachomatis.

Several injectable products are available for soft tissue augmentation of wrinkles and folds. These fillers are often used in conjunction with botulinum toxin type A (Botox) injections.

The FDA has approved calcitriol ointment (Vectical - Galderma), a vitamin D analog, for topical treatment of mild-to-moderate plaque psoriasis in adults ≥18 years old. Ointments are generally considered more potent than creams or solutions.

A patient-controlled fentanyl iontophoretic transdermal system (Ionsys – The Medicines Company) is now available for short-term management of acute postoperative pain in adults requiring opioid analgesia in the hospital. Before using Ionsys, patients must be titrated to a comfortable level of analgesia with another opioid formulation.

The FDA has approved Enstilar (Leo), an aerosol foam formulation of the synthetic vitamin D₃ analog calcipotriene and the high-potency corticosteroid betamethasone dipropionate, for topical treatment of plaque psoriasis in adults. Topical ointment and suspension formulations of the same combination have been available for many years.

The FDA has approved a 10% nanoemulsion gel formulation of the porphyrin-based photosensitizer aminolevulinic acid hydrochloride (ALA; Ameluz – Biofrontera) for use in combination with a narrowband red light photodynamic therapy (PDT) lamp (BF-RhodoLED) for treatment of actinic keratoses (AKs) of mild to moderate severity on the face and scalp. A 20% ALA solution (Levulan Kerastick) approved for use in combination with blue light PDT (BLU-U) has been available in the US since 2002.

Capsaicin, a vanillyl alkaloid found in hot peppers and related plants, is now available without a prescription as Zostrix-HP (GenDerm) for topical relief of pain due to diabetic neuropathy, herpes zoster, or arthritis. The new formulation contains 0.075% capsaicin; the drug was previously available in a 0.025% concentration as Zostrix.

The FDA has approved the selective alpha₂-adrenergic receptor agonist brimonidine as a 0.33% gel (Mirvaso – Galderma) for topical treatment of adults with persistent facial erythema of rosacea. Brimonidine is also available in ophthalmic formulations for treatment of glaucoma.

Berdazimer 10.3% gel (Zelsuvmi – Ligand), a first-in-class nitric oxide-releasing agent, has been approved by the FDA for topical treatment of molluscum contagiosum in patients ≥1 year old. It is the second drug to become available in the US for treatment of molluscum contagiosum and the first that can be applied by the patient or caregiver at home; cantharidin 0.7% solution (Ycanth), which is applied by a healthcare professional, was approved earlier for use in patients ≥2 years old.

Lazertinib (Lazcluze – Janssen Biotech), an oral kinase inhibitor, has been approved by the FDA for use in combination with the EGFR-MET bispecific antibody amivantamab (Rybrevant) for first-line treatment of locally advanced or metastatic non-small cell lung cancer (NSCLC) in adults with epidermal growth factor receptor (EGFR) exon 19 deletions or exon 21 L858R substitution mutations. This is the first approval for Lazcluze; amivantamab was previously approved for use alone and in combination with carboplatin and pemetrexed for treatment of NSCLC with EGFR exon 20 insertion...