LAUSR

(1) Background: The purpose of this article is to assess the impact of the COVID-19 pandemic on the mental health of medical students in Portugal in the period after returning to face-to-face classes during the COVID-19 pandemic, in the 2020/2021 academic year. (2) Methods: We conducted an observational, descriptive, and cross-sectional study, between December 2020 and February 2021 with a representative sample of Portuguese medical students (n = 649), applying an anonymous questionnaire which was composed by a sociodemographic characterization, The Brief Symptoms Inventory–18, The Fear of COVID-19 Scale and the Negative Impact Assessment Scale. For statistical processing, Statistical Package for Social Sciences (SPSS ©) was used. (3) Results: 65.3% of participants said that self-perceived relevant anxiety symptoms, and around 10% said that they had a physical or a mental illness diagnosis. Significant differences (p < 0.05) were found for Fear of COVID-19, Somatization, Anxiety and Overall Mental Health, indicating that women, students from the 1st and last years of training had higher scores. Age, year of training, Fear of COVID-19 and Negative Impact of COVID-19 were significant predictors of overall mental health. (4) Conclusion: In our sample of Portuguese medical students, age, year of training, but mostly fear of COVID-19 and the negative impact of COVID-19 contributed to mental health symptoms.