The FDA has approved dasiglucagon (Zegalogue – Zealand) for subcutaneous (SC) treatment of severe hypoglycemia in patients ≥6 years old with diabetes. Dasiglucagon is the third glucagon product to be marketed in the US that does not require reconstitution before administration; Gvoke, a SC formulation approved for use in patients ≥2 years old, and Baqsimi, an intranasal powder approved for use in patients ≥4 years old, have been available since 2019. Injectable glucagon emergency kits (GlucaGen HypoKit, and generics) have been available for years, but they require...

Epinastine HCl, an H₁-receptor antagonist and mast cell stabilizer, has been approved by the FDA for use in a 0.05% ophthalmic solution (Elestat - Allergan/Inspire) for prevention of itching associated with allergic conjunctivitis. The drug is available orally in Europe and Asia.

View Expanded Table: Some Drugs for Management of Opioid Withdrawal Symptoms

The FDA has approved the selective beta-3 adrenergic agonist vibegron (Gemtesa – Urovant Sciences) for treatment of overactive bladder in adults with symptoms of urge urinary incontinence, urgency, and urinary frequency. It is the second beta-3 agonist to be approved in the US; mirabegron (Myrbetriq) was the first.

Zurnai (Purdue), an autoinjector formulation of the opioid antagonist nalmefene, has been approved by the FDA for intramuscular (IM) or subcutaneous (SC) emergency treatment of known or suspected opioid overdose in persons ≥12 years old. Naloxone, another opioid antagonist, has been available in single-use syringes for years. Both nalmefene and naloxone are also available in nasal sprays; some naloxone nasal sprays (Narcan, and others) are available over the counter.

The Advisory Committee on Immunization Practices (ACIP) recommends use of certain vaccines in adults residing in the US. Routine childhood immunization has reduced the overall incidence of some of these vaccine-preventable diseases, but many adults remain susceptible. Recommendations for vaccination against COVID-19, seasonal influenza, and monkeypox and vaccination of travelers have been reviewed separately.

The FDA has approved the marketing of fingolimod (Gilenya – Novartis) to reduce the frequency of clinical exacerbations and delay the accumulation of physical disability in patients with relapsing forms of multiple sclerosis (MS). Fingolimod is the first oral drug approved for this indication.

The injectable glucose-dependent insulinotropic polypeptide (GIP)/glucagon-like peptide-1 (GLP-1) receptor agonist tirzepatide (Zepbound) has been approved by the FDA for treatment of moderate to severe obstructive sleep apnea (OSA) in adults with obesity. It is the first drug to be approved in the US for this indication. Zepbound is also approved for chronic weight management in adults with obesity and in those who are overweight and have at least one weightrelated comorbidity. Tirzepatide is also available as Mounjaro for treatment of type 2 diabetes.

The FDA has approved Widaplik (Azurity), a fixed-dose combination of the angiotensin receptor blocker (ARB) telmisartan, the dihydropyridine calcium channel blocker amlodipine, and the thiazide-like diuretic indapamide, for treatment of hypertension in adults. Telmisartan, amlodipine, and indapamide are also available alone and in various combinations for treatment of hypertension. Two other three-drug combinations containing an ARB, amlodipine, and hydrochlorothiazide (Exforge HCT and Tribenzor) have been available for years for treatment of hypertension (see Table...

On December 22, 2021, the FDA issued an Emergency Use Authorization (EUA) for the investigational antiviral drug nirmatrelvir copackaged with the HIV-1 protease inhibitor ritonavir (Paxlovid – Pfizer) for oral treatment of mild to moderate COVID-19 in outpatients ≥12 years old who weigh at least 40 kg and are at high risk of progressing to severe disease, including hospitalization or death. Paxlovid was the first oral antiviral drug to be authorized in the US for treatment of COVID-19; Merck's oral antiviral drug molnupiravir was granted an EUA for treatment of COVID-19 on...