Runny nose, watery eyes, cough. These?

After sleeping 1 night under minimum fan my 15month old boy (10kgs 800gms) has developed very very runny nose, sneezing, coughing and very watery eyes. Appetite has reduced significantly, liquid intake has also reduced significantly. Problem started from yesterday morning, he had difficulty sleeping last night. Nose was full of transparent runny stuff and he had to breathe using mouth. Today afternoon he slept very well- no stuffy nose at all. But in evening again problem started. Pls suggest Medicine so that he will recover fast. We have to shift our house to another city in 2days time. It's very urgent that baby gets well soon. Kindly suggest, Medicine / home remedy / food / other things that I should do for his speedy recovery . I have the following medicine at home 1. Sitopaladi churna 2. Montair LC kid 3. Himalaya Bresol 4. Combiflam syrup 5. Crocin syrup 6. Sneezy cold 7. Prospan cough syrup 8. Bal ghuti material Can I use any of these?