A description will help if the doctor will not be seeing your child right away. Let the doctor decide what is normal and what is not, but do have a rectal temperature ready to report. You are the judge of what may be different in your baby. No one knows your baby's personality better than you do. If baby is crying more frequently, scratching at his ears, restless, unable to sleep for more than brief periods, your doctor should be told.
Some babies continue to consume the same amount of food and liquid even with a stuffy nose.
Other babies do not. Colds call for adequate amounts of liquid, and this is important. Any and all of these symptoms are common. Don't consider them as a cause for extra alarm but as information that your doctor can use in caring for your child. If you panic once or twice and call the doctor unnecessarily, you will not be the first parent who has done it.