Bipolar disorder is characterized by episodes of mania, hypomania, and depression. Recurrences of manic or (more frequently) depressive symptoms are common. About 15-20% of patients with bipolar disorder die by suicide.

Ulcerative colitis (UC) and Crohn's disease (CD), referred to collectively as inflammatory bowel disease (IBD), are chronic immune-mediated inflammatory conditions. Guidelines for treatment of UC and CD have been updated in recent years

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. Guidelines for the treatment of AD have recently been updated.

Interferon β-1b (Betaseron - Berlex), an analog of human interferon β pro-duced in E. coli, may soon be approved by the US Food and Drug Administration for treatment of relapsing-remitting multiple sclerosis (MS), the most common form of the disease (G Mitchell, Med Clin North Am, 77:231, 1993).

Only a small minority of patients who say they are allergic to penicillin will have a reaction if they take a penicillin.

Regorafenib (Stivarga – Bayer), a multikinase inhibitor, has been approved by the FDA for treatment of patients with metastatic colorectal cancer previously treated with multiple other regimens specified in the labeling. It has also been approved for use in treatment-refractory, locally advanced, unresectable or metastatic gastrointestinal stromal tumor (GIST).

The FDA has approved Lasix ONYU (SQ Innovation), a subcutaneous formulation of the loop diuretic furosemide administered via a wearable pump (onbody infusor), for treatment of edema in adults with chronic heart failure (HF). A similar product, Furoscix, is approved for treatment of edema in chronic HF or chronic kidney disease. Furosemide has been available for years in oral and IV formulations for such use.

The main goals of treatment of chronic obstructive pulmonary disease (COPD) are to relieve symptoms, reduce the frequency and severity of exacerbations, prevent disease progression, and reduce mortality. GOLD (Global Initiative for Chronic Obstructive Lung Disease) guidelines for treatment of COPD were updated recently. Treatment of acute exacerbations is not discussed here. Drugs available for treatment of COPD are listed in Tables 1 and 3.

The FDA has approved 2 intranasal HFA (hydrofluoroalkane) aerosols of the corticosteroids beclomethasone dipropionate (Qnasl – Teva Respiratory) and ciclesonide (Zetonna – Sunovion) for once-daily treatment of seasonal and perennial allergic rhinitis. They are the first HFA nasal steroids to become available in the US (HFA propellants do not deplete the ozone layer). Both drugs are already available for these indications as aqueous nasal sprays. Aqueous ("wet") formulations can cause adverse effects such as postnasal drip, moist feeling in the nose, strong odor, and bitter aftertaste,...

Patients may ask about taking elderberry for prevention and treatment of influenza. Products containing elderberry are promoted for relief of cold and flu symptoms and as an immune system booster.