<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi Im getting quite worried Ive had a caugh for 3 weeks following a cold back to a chest infection and now ear infection my heart rate is rapid and Im getting really bad palpitations I had 3 ear infections in the last 5 months but they were fungl ones yes I know its sounds crazy but this ear infection seams to be not as bad as the other ones but my heart is racing is this normal !!!  <response>: Hello, Your chest and ear infections could be interlinked allergicinfection -- viral, bacterial, or fungal. Increased heartbeats can be following weakness of recurrent infectionsnervousness due to recurrent infections or some heart problem.Its not normal. You need a complete health check-up chest, heart, and ear, get some investigations CBC, sputumthroatear swab for culture and sensitivity test, x-ray chest, ECG, and full cardiac profile, allergy screening test as per need to pinpoint the cause and get specific treatment to manage all of them. Consult a physician to start with and experts chest physician, ENT surgeon or cardiologist. Cleanliness, healthy food, avoiding allergens, good sleep, routine exercises, and exposure to extreme weathers with a positive thinking. In addition, specific treatment would help you to get rid of the problems. Hope I have answered your query. Let me know if I can assist you further. 