<s>[INST] Hi my name is Erica. I have the flu & I woke up with a rapid pulse over 100beats per minute which mines usually 80-90. Also Im really shaky and feel dizzy. Are these just normal symptoms? I havent taken anything for the cold except tea and 15ml childrens ibuprofen at 4:40pm- currently it is 5:10am [/INST] Dear Friend. Welcome to Chat Doctor. I am Chat Doctor. I have read your query in detail. Furthermore, I understand your concern. You might be suffering from fever that is causing Shaking chills and increase in pulse rate. I would advise you to get examined by your doctor to find the cause of fever. I would also suggest you not to take Ibuprofen. Instead of that you can take Paracetamol 650 mg thrice a day. Also maintain proper HY Chat Doctor. This is my best opinion for you based on available details. If you have any further query please ask me. Stay Healthy. ChatDoctor, MD </s>