Objective: to identify the evidence available in the scientific literature on the clinical manifestations of co-infection between Covid-19 and Dengue in adults. Method: integrative review, carried out in the MEDLINE/PUBMED, LILACS, IBECS, WoS and EMBASE databases, in June 2021. The descriptors "adult", "Coronavirus infections" and "dengue" with their synonyms were crossed by means of operators Booleans AND and OR. Results: 23 studies were included, with a predominance of 19 case studies (82.6%). The main clinical manifestations identified from the studies were: fever, headache, dyspnea, cough, myalgia, retro orbital pain, and skin rash. In addition to laboratory findings such as: thrombocytopenia, lymphopenia, and leukopenia. Conclusion: covid-19 and Dengue coinfection was identified and the need for an immediate search for a differential diagnosis is pointed out, in order to prevent clinical problems and reduce unexpected outcomes.Objetivo: identificar as evidências disponíveis na literatura científica sobre as manifestações clínicas da coinfecção entre COVID-19 e Dengue em adultos. Método: revisão integrativa, realizadas nas bases MEDLINE/PUBMED, LILACS, IBECS, WoS e EMBASE, em junho de 2021. Os descritores “adulto”, “Infecções por Coronavírus” e “dengue” junto aos seus sinônimos, foram cruzados por meio de operadores booleanos “AND” e “OR”. Resultados: Foram incluídos 23 estudos, predominando estudos de caso 19 (82,6%). As principais manifestações clínicas identificadas a partir dos estudos foram: febre, cefaleia, dispneia, tosse, mialgia, dor retro orbital e rash cutâneo. Além de achados laboratoriais como: trombocitopenia, linfopenia e leucopenia. Conclusão: a coinfecção COVID-19 e Dengue foi identificada e aponta-se a necessidade da busca imediata do diagnóstico diferencial, para prevenir os agravos clínicos e diminuir os desfechos inesperados
