Objective: Despite advances in the  diagnosis and treatment of cancer, patients still suffer from various physical and psyc hological complicagtions of cander. The aim of this research was to integratze synthesize relevant scientific evidence about tzhe effect of lavender on cancer complications

Methods: a systematic review of the international literature was undertaken. The search process encompassed four databases of PubMed [including MEDLINE], Web of Sciencde, Scopus and Cochrane Library without time and language limits. All types of interventional studies examining the effects of lavender an dcancer complications were included in data analysis and research sytghesis. Relevant data were obtained from eligible stuies after qzuality appraisal using appropriate methodical tools. Given that meta analysis could not performedk, the review findings were synthesized narratively.

Results: Thirteen studies were included in this review with a total of 838 patients. Nine studies used a randomized controlled trial design and the majority of them were conucted on patients with mutliple types of cancer. Lavender was often used as inhalation aromatherapy. In the majority of th includied studiesl, lavender was significantly effective in the reduction anxiety and pain, and improved sleep  quality and vital signs.

Conclusions: this review provides scientific evidence regarding the effectivness of lavender in mitigating cancer complications. Healthcare provaiders are suggested to use lavender in patient care along with other healthcare interventions to relieve cancer complications