3 year old with chronic cough , initial chest x-ray showed right bronchial thickening, cough got worse, repeat chest x-ray 3 weeks later r lower lobe pneumonia, started on cefzil for 2 weeks, child got better for a week and a bit, then wheezy, coughing again, repeat chest x-ray showed middle lobe right side consolidation and possible atelectasis, started on amoxicillan.......still coughing, also taking ventolin nebulizers.......do we just continue amoxicillan and nebs or could this be a viral pneumonia that the antibiotics are not working???? any herbal suggestions?