Hello, Welcome to HCM, The dengue fever is a vector borne viral fever which is transmitted by the aedes mosquito from one person to other.Persons with dengue fever will have wide range of symptoms from fever to shock. The fever will be followed by the rashes all over the body with severe joint pain and muscle pain. There will imbalance in the body fluid with abnormal blood volume parameters with variation in MCV, MCHC and PCV. This will leads to loss of body fluids and it may leads to feeling of dizziness. This is a self limiting disease and it will come down by itself but the fluid imbalance can be corrected by IV fluids like ringer lactate which will reduce all the symptoms but the the myalgia and joint pain can last for few months to year. Adequate intake of fluids and other medications will helps you to control symptoms like dizziness and other symptoms associated with this disease. Thank you.