Best Infectious Disease Doctor In Mumbai Infectious diseases are extremely common worldwide. These are illnesses caused by harmful agents that get into our body. The most common causes are viruses, bacteria, fungi and parasites. Those who have low immunity, are more likely to fall sick with infectious disease. The symptoms depend on the type of illness. The common symptoms are fever, chills, cough, fatigue, muscle aches and headache, diarrhea, nausea, vomiting. The guidance from a specialist should be sought at the earliest. One or more lab tests are done to diagnose infectious diseases. A specialist should be contacted at the earliest to determine the appropriate investigations for proper and timely diagnosis. Treatment depends on what causes the infection. One should be cautious enough to avoid misuse, overuse and abuse of antibiotics. This is extremely important to avoid contributing to emergence of antibiotic resistance. The therapy of illness always has to be under supervision of a specialist only. There are many simple ways to prevent or reduce risk of infectious diseases. These include vaccinations, safe food handling, washing hands with soap and water, covering nose and mouth while sneezing or coughing, avoiding contact with people who are sick with an infectious diseases, wearing a mask around others when you are sick, practicing safe sex, using measures to reduce the risk of tick or mosquito bites.