The Link - April 2026

Amoxicillin‑clavulanate (Augmentin™) is one of the most frequently prescribed antibiotics in pediatrics, used for infections ranging from respiratory illnesses to urinary tract infections. Amoxicillin provides activity against Streptococcus species and many beta‑lactamase non-producing gram‑negative organisms. Clavulanate expands this activity by irreversibly binding susceptible beta‑lactamases, restoring amoxicillin’s effectiveness against bacteria such as methicillin‑susceptible Staphylococcus aureus and Haemophilus species. Importantly, clavulanate does not improve activity against Streptococcus pneumoniae because pneumococcal resistance is driven by altered penicillin‑binding proteins rather than beta‑lactamase production.

With its broad utility comes a wide dosing range, making amoxicillin‑clavulanate one of the more challenging antibiotics to dose correctly. Optimal dosing requires consideration of pharmacokinetics and pharmacodynamics, organism susceptibility, infection site and severity, patient‑specific factors, and caregiver capabilities. The following guidance summarizes practical principles for selecting dose, frequency and formulation.

Child sex trafficking (CST) represents a breach of fundamental human rights and a significant public health concern. It occurs when a child or adolescent < 18 years of age exchanges a sexual act for something of perceived value, such as money, food, shelter, safety, drugs or material items. Importantly, CST includes the production of sexual content. Minors are not, by law, able to provide consent; therefore, force, coercion or fraud is not required to meet the definition of CST.

The incidence of CST is incredibly difficult to confirm. One study of approximately 13,000 U.S. adolescents found that 3.5% had exchanged sex for drugs or money. Risk factors for CST include, but are not limited to, history of abuse or neglect, running away from home, homelessness, substance misuse, or involvement with child protective services or the juvenile justice system. Those that identify as LGBTQIA+ are also at increased risk. Children and adolescents who are trafficked often endure severe violence and psychological manipulation. These experiences place them at heightened risk for a range of health issues, including physical injuries, infectious diseases, substance use disorders, untreated chronic conditions, pregnancy and unsafe abortions, malnutrition, toxic exposures, suicidality, and mental health disorders such as post-traumatic stress disorder.

Bipolar disorder (BD) can be an urgent and severe psychiatric disorder, which could warrant urgent psychiatric evaluation and treatment. However, these disorders are rare in children and adolescents. This article discusses the signs and symptoms of BD as well as common misconceptions.

A 2021 meta-analysis by Parry et al. reported the prevalence of pediatric bipolar spectrum disorders (bipolar I, bipolar II and bipolar not otherwise specified) as approximately 3.9%. It’s important to understand that bipolar symptoms don’t always need the same amount of medication or mental health treatment. For example, someone going through a sudden manic episode needs more intense treatment, such as mood stabilizers, antipsychotic medicines or even a stay in a psychiatric hospital. This is different from someone who shows some symptoms but doesn’t meet all the criteria for diagnosis. The study also noted that BD is very rare in childhood, and there is a significant risk of misdiagnosing BD in children, potentially resulting in unnecessary treatment and iatrogenic harm.

Down syndrome (DS), or trisomy 21, is the most common chromosomal condition, affecting approximately 1 in 700 live births. Children with DS face unique health challenges, and sleep disorders are among the most prevalent and impactful. Sleep plays a critical role in neurodevelopment, behavior and overall health, making its management essential in this population. This article will review epidemiology, pathophysiology, clinical implications and management strategies for sleep disorders in pediatric DS. 

An 11-year-old boy presents with a four-week history of a mildly pruritic rash on the trunk. He has a history of nummular dermatitis, which had significantly improved with topical steroids and regular emollient use.

Approximately four weeks prior to presentation, his parents noticed a scaly patch on the chest. Over the following one to two weeks, additional similar lesions developed and spread across the chest and back. The rash has been mildly itchy but not painful, and it has not interfered with sleep or daily activities. There have been no associated systemic symptoms, including fever, sore throat, cough or malaise. He has not had any recent medication changes, new personal care products or known exposures. No one else at home has a similar rash.

Question 1: What is the most likely diagnosis?

A. Pityriasis rosea

B. Tinea versicolor

C. Pityriasis lichenoides chronica

D. Psoriasis

E. Nummular dermatitis