Chlamydia , Gonorrhea and Trichomonas infection can cause burning in the vagina and also burning during urination. I suggest to you to see a doctor for the diagnosis and treatment. You may need treatment with an antibiotic.
Please click the green accept button if my answer is helpful to you. A positive feedback rating and a bonus would be encouraging. If you have any further questions please feel free to ask. Take care , Dr.Yetimyan.