Yohimbine hydrochloride, a presynaptic 2 -adrenergic receptor antagonist available by prescription in the USA (Yocon, Yohimex, and others), is advertised for treatment of impotence and has been used as an aphrodisiac. A pre-1938 drug, yohimbine has never been approved for marketing by the US Food and Drug Administration.

The US Food and Drug Administration has ordered removal of phenylpropanolamine from over-the-counter cold remedies and weight loss aids. The FDA based its decision on a recent study showing an increased risk of hemorrhagic stroke in young women taking the drug.

Recombinant human α-L-iduronidase (laronidase; Aldurazyme BioMarin/Genzyme), an orphan drug, has been approved by the FDA for enzyme replacement therapy in mucopolysaccharidosis (MPS) type I, a lysosomal storage disorder caused by deficiency of the enzyme. This review describes the disease, treatment, adverse effects and cost.

Previously approved by the FDA for treatment of depression, general anxiety disorder, diabetic peripheral neuropathic pain and fibromyalgia, duloxetine (Cymbalta – Lilly) has now also been approved for treatment of chronic musculoskeletal pain.

About 2.5 million persons in the US had hepatitis C between 2017 and 2020. Guidelines from the American Association for the Study of Liver Diseases (AASLD) and the Infectious Diseases Society of America (IDSA) on management of hepatitis C virus (HCV) infection were updated in 2023.

Pharmacologic management of opioid withdrawal symptoms can reduce the intensity of drug craving and improve treatment retention in patients with opioid use disorder who will receive maintenance treatment. Withdrawal management without subsequent maintenance treatment is associated with high rates of relapse, overdose death, and HIV and/or hepatitis C virus infection. Several guidelines on management of opioid withdrawal are available. Maintenance treatment of opioid use disorder was reviewed in a previous issue.

View the Comparison Table: Some Drugs for Plaque Psoriasis

Clevidipine (Cleviprex - The Medicines Company), a dihydropyridine calcium channel blocker (CCB), has been approved by the FDA for intravenous (IV) use in lowering high blood pressure. It is the second IV CCB to be marketed in the US; nicardipine has been available in an IV formulation (Cardene IV) for more than 10 years. Like IV nicardipine, clevidipine will probably be used mainly for urgent treatment of hypertension in intensive care units, operating rooms and emergency departments.

Many different drugs are used for treatment of osteoarthritis pain, but none of them prevent progression of the disease. Nonpharmacologic approaches including weight management, exercise, tai chi, physical therapy, assistive devices, and total joint arthroplasty can also be used. The American College of Rheumatology (ACR) has published new guidelines for the management of osteoarthritis of the hip, hand, and knee.

The recent terrorist attacks on the US have led to many questions about the clinical effects, prevention and treatment of injury caused by chemical warfare agents.