Intestinal tuberculosis is commonly secondary tuberculosis
. Recurrence if present needs to be viewed seriously especially with associated intestinal obstruction
. Was any surgery done for intestinal obstruction and how serious was it? Associated weight loss if present can support presence of a chronic disease like TB but cannot rule out other diseases.
along with biopsy can help in confirmation before starting on a long regimen. Other tests include ESR, peripheral smear to check for lymphocytosis
and PCR test on biopsy specimen can also be done. Biopsy would show caseating granulomatous lymphadenitis
Wrong treatment with out confirmation and missing another maybe dangerous disease, could lead to grave prognosis.
Consult another doctor. Young age does not rule out tumors or other infections.
Hope I have resolved your query. If you have any further queries, happy to help. take care. Take an informed decision.