Accessing to the general trend of the world, Vietnam is in the process of setting up a new General education curriculum oriented to learner competency development. In that curriculum, problem-solving is one of the common competencies that need to be formed and developed for students. Thus, developing and evaluating problem solving competency is one of the tasks that teachers in disciplines at all levels of learning and need to do. However, in in Vietnam nowadays, teaching of competency approach is still difficult for teachers. In this article, on the basis of research on competency, we have given a problem-solving competency development process in teaching biology at high school as an illustrative example.

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What Is Known and Objective Allopurinol, the first‐line medication for hyperuricemia is well‐known for its association with severe cutaneous adverse reactions, especially Stevens‐Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). In the current study, we analysed the Vietnamese spontaneous reporting database to identify signals and preventability of allopurinol‐induced SJS/TEN in Vietnam from 2010 to 2019. Methods Signal generation was assessed using the case/non‐case method. Reporting odds ratios (RORs) and 95% confidence intervals (95% CI) were calculated. Results Among 72,822 spontaneous ADR reports submitted to the Vietnam National Drug Information and Adverse Drug Reaction Monitoring Centre, 392 reports were on SJS/TEN, of which, 65 cases (16.6%) were related to allopurinol. The signals of allopurinol‐induced SJS/TEN in Vietnam started in 2014 (ROR of 3.531, 95% CI: 1.830–6.810) and annually increased until 2019 (ROR of 11.923, 95% CI: 8.508–16.710). The preventability assessment showed that no allopurinol‐induced SJS/TEN case was definitely unpreventable. 61.6% of the SJS/TEN cases were avoidable because they were associated with inappropriate prescribing such as unapproved indications, too high initial dose and even rechallenging in patients with a history of allopurinol allergy. What Is New and Conclusion The signals of allopurinol‐induced SJS/TEN in Vietnam started in 2014 and annually increased until 2019. Our first report specifically focusing on the ADR preventability of allopurinol showed that correction of medical errors relating to prescription could prevent more than 60% of SJS/TEN cases in Vietnamese allopurinol users. This is a feasible and practical solution, provided that there would be a systematic change in both healthcare systems and public awareness.

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