HI, Thanks for your question. My name is Dr Hasan and I am here to help you today with your question. I will be happy to assist you with your follow up questions also. I need few details.
Since how long you have this cold?
Do you use sudafed frequently or you have used this time only?
Any other diagnosed medical problem?
i have the cold about 2 weeks i use the sudafed every 4 hours witch is 4 times a day no just a heavy cold