I've had a cold since christmas eve (about 11 days) and when i blow my nose now the mucus is a bright yellow colour, i've also been very tired recentl?

Cold: I've had a cold since Christmas Eve (about 11 days) and when I blow my nose now the mucus is a bright yellow colour, I've also been very tired recentl? ANS: sounds like your diagnosis is correct. Should be over it in 14 days if you got antibiotics and in 2 weeks if not. But some parts of US and world are having different cold durations. Thus good reason to tell us where you live.

Use this or see Dr.: Now that you have noticed a change in color of your nasal drainage, this could be a sign that you are developing a sinus infection. I would recommend that you start using nasal salt water rinses. Use over-the-counter from different brands (Niel Med, AYR,) or you can make it yourself by warming up 8 oz of water for 20 sec in microwave and add ½ tsp of non- iodized salt. Rinse and blow twice/day.