My daughter has had a really bad cough for nearly two weeks it is getting worse when she breaths it sounds like bubbling in her chest when you feel her chest its the same she has developed a runny nose over the past two days and tonight she has been very floppy and not really like herself after some cuddles she seems to be getting better when she was in her cot it seemed like she had like a little seizure it didn t last long it was her body just twitching should I be worried