 [ Symptoms ] i am getting really thirsty is that a sign this cold is coming to an end [ Disease ] no thirst is not a sign that your cold is coming to an end colds last about a week so if you are having issues with thirst this may not be related to your cold at all please address this issue with your medical provider    someone who knows your medical history someone who can examine you if necessary and someone who can order any laboratory tests including a blood glucose