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[|Human|] I am a 20 year old male. I have a couple swollen lymph nodes in the inguinal region on the left side of my groin. I got this looked at by a doctor today and was told it was not a hernia. There is pain when the nodes are pushed and they are mobile. I was prescribed 100mg doxycycline. How long would it normally take for the swelling to decrease and what is the chances that this could be some sort of cancer? Also, could this be indicative of a std? I believe that I am at a minimal chance for an std though.
[|AI|]  Hi and thanks for the query. ChatDoctor and very pleased to be assisting you with your health questions today. Cause of swollen Lymph nodes are many-- most common are infections, others are connective tissue disorder, cancer, any blockage etc. But in your age group, chance of cancer is very less, and chance of infection is more. In cancer, lymph nodes are hard and not mobile. I think, you should continue same medicine, probably it will take 1-2 weeks to resolve. Yes, it may be STD, but it can be confirmed by your physician by examination Hope this helps and provides answers to your question. I wish you good health.