American family physician
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Generalized anxiety disorder (GAD) and panic disorder (PD) are common mental health conditions in adults that are often seen in primary care. Although there is insufficient evidence to support universal screening for PD and GAD, evaluation should be considered in patients who express recurrent, pervasive worry or present with somatic symptoms not attributed to underlying medical conditions. The GAD-7 and Patient Health Questionnaire for PD are validated screening tools that can aid in diagnosis and assessment. ⋯ Effective therapies for PD and GAD include cognitive behavior therapy and anti-depressants, including selective serotonin reuptake inhibitors and serotonin-norepinephrine reuptake inhibitors. Benzodiazepines are not recommended for first-line therapy or long-term use because of adverse reactions, risk of dependence, and higher mortality. No consistent evidence currently supports a specific prevention strategy for PD or GAD, but exercise may be beneficial.
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Multiple sclerosis (MS) is a demyelinating disorder of the central nervous system and the most common cause of nontraumatic neurologic disability in young adults. Types of MS include relapsing-remitting (most common), secondary progressive, and primary progressive. Clinically isolated syndrome and radiologically isolated syndrome are additional categories for patients with findings concerning for MS who do not yet meet the diagnostic criteria for the disease. ⋯ Patients with MS who smoke tobacco should be strongly encouraged to quit. Disease-modifying therapy has been shown to slow disease progression and disability; options include injectable agents, infusions, and oral medications targeting different sites in the inflammatory pathway. Symptom-based care is important to address the bowel and bladder dysfunction, depression, fatigue, movement disorders, and pain that often complicate MS.
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Arthropods, including insects and arachnids, significantly affect humans as vectors for infectious diseases. Arthropod bites and stings commonly cause minor, usually self-limited reactions; however, some species are associated with more severe complications. Spider bites are rarely life-threatening. ⋯ The direct effects of their bites are usually minor and treated symptomatically; however, they are vectors for numerous infectious diseases. Arthropod bite and sting prevention strategies include avoiding high-risk areas, covering exposed skin, and wearing permethrin-impregnated clothing. N,N-diethyl- m-toluamide (DEET) 20% to 50% is the most studied and widely recommended insect repellant.