 [ Symptoms ] finger infection i have sudden sharp pain in my thumb that started about three hours ago and it comes and goes now there is a red streak moving from the base of my thumb up to the tip i dont have any noticable cuts or injuries i also have no fever but i just feel kind of blah should i be concerned [ Disease ] yes you should be concerned both by the pain and the red streak although it is not possible to make a blind diagnosis over the internet based solely on the information that you have posted my recommendation would be for you to see a medical professional so that you can have that painful thump properly examined and appropriately treated