My husband was diagnosed with TB in his lungs some years back. He is now twenty-two years old and has been getting a rash that looks similar to hives and has had a cough for about two weeks now. The first rash he had was two years ago that lasted for about a month, the second was months ago (this was the worst one so far) and the third started three weeks ago. The rash with come and go and pop up in different locations. I find it odd. He is getting a chest x-ray next week, but I was curious to find out if it could be his TB coming back. I am beginning to get the same rash on my arm. I ve never gotten it when he s had his break outs.