Echinacea has long been used for treating colds as it has many important immune-stimulating actions including antimicrobial, anti-inflammatory, and restoring healthy function to the body.
This is a great immune boosting tea blend recipe containing this and other ingredients.
Read this post to find out the difference between cold, flu's and allergies. For information about preventing allergies, check out this post. Tips for preventing colds and flu's can be found here and about preventing the spread of colds and flu's here.