My lips are dry, they burn, they feel tight, and have little bumps on them . i've tried chapped stick and vaseline but it doesn't help. what is wrong?

Possible yeast infx: Could be one of several things. Yeast, or Candida, infections can cause these symptoms, but they would be more generalized throughout the mouth. Could be your toothpaste or mouthwash; you might consider changing these. Is your mouth dry? Could be one of the more common autoimmune conditions such as Sjogren's syndrome, and making that diagnosis would require a biopsy. If it persists, see a doctor!