Runny nose, constant sneezing, headache, and recurrent sore throat are the common symptoms. It affects all age groups. It is the common diseases in rainy season; probably that is why it is known as common cold. It is infectious but not that serious. Common homeopathic remedies are Aconite, Allium cepa, Belladonna, Bryonia, Dulcamera, Euphrasia, Gelsemium and Rhus tox. Each of these medicine have their own indication