My daughter is 20 months and 3 weeks. She’s had a persistent cough since the beginning of October. It sounds like it dry but also like she’s trying hack up something. She was first diagnosed with Croup but the cough never went away, then she was diagnosed with RSV, still has cough. Took her to pediatrician and they said she has a cold and because she’s in daycare she will get sick pretty often, like every 2 weeks. Yet the cough never goes away, it may get better but never goes away. Recently it