Nemolizumab (Nemluvio – Galderma), a subcutaneously injected interleukin-31 (IL-31) receptor antagonist, has been approved by the FDA for use in combination with topical corticosteroids and/or calcineurin inhibitors for treatment of moderate to severe atopic dermatitis in patients ≥12 years old whose disease is not adequately controlled with topical prescription drugs. It is the first IL-31 receptor antagonist to be approved in the US for this indication. Nemolizumab was approved earlier for treatment of prurigo nodularis in adults.

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The FDA has approved IV amisulpride (Barhemsys – Acacia), a selective dopamine-2 and -3 (D₂/D₃) receptor antagonist, for prevention and treatment of postoperative nausea and vomiting (PONV) in adults. It is the first antiemetic to be approved for rescue treatment of PONV in patients who have symptoms despite receiving antiemetic prophylaxis. Oral formulations of amisulpride are available in Europe for treatment of schizophrenia and acute psychotic episodes.

The FDA has approved lemborexant (Dayvigo – Eisai), an orexin receptor antagonist, for treatment of sleep-onset and/or sleep-maintenance insomnia in adults. It is the second orexin receptor antagonist to be approved for this indication; suvorexant (Belsomra) was the first.

The FDA has approved an oral tablet formulation of sodium sulfate, magnesium sulfate, and potassium chloride (Sutab – Braintree) for colon cleansing prior to colonoscopy in adults. A sodium sulfate-based oral solution (Suprep) has been available in the US since 2010. Sutab is the second tablet formulation to be approved for bowel cleansing prior to colonoscopy; a sodium phosphate-based tablet (OsmoPrep) was approved earlier.

Atopic dermatitis (AD; also known as eczema) is frequently associated with other atopic disorders such as allergic rhinitis, asthma, and food allergy. It commonly presents in infancy and early childhood and has a relapsing course, often improving by adolescence, but sometimes persisting into (or first appearing in) adulthood or even old age.

This article includes recommendations for management of most sexually transmitted infections (STIs) other than HIV and viral hepatitis. Some of the indications and dosages recommended here have not been approved by the FDA (see Table 1).

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The FDA has approved daridorexant (Quviviq – Idorsia), an orexin receptor antagonist, for treatment of sleep-onset and/or sleep-maintenance insomnia in adults. Daridorexant is the third orexin receptor antagonist to be approved for this indication; suvorexant (Belsomra) and lemborexant (Dayvigo) were approved earlier.

The FDA has approved Suflave (Sebela/Braintree), a low-volume polyethylene glycol (PEG)- and sulfate-based product for cleansing of the colon prior to colonoscopy in adults. Other oral colonoscopy preparations available in the US are listed in Table 2. Suflave is marketed as tasting better than other products.