Rhuemitism. As wel as all joints.

Hello, First of all, food allergy can be due to certain foods, like you mentioned sour food items like lemon, curd, tomato, mango, pickle can lead to allergic reaction. Generally it manifets in form of itching sensation, red swollen patches, swelling of lip etc. Best treatment modality is to avoid these food items. In case of emergency you can take anti allergic tablets with dermatologist's prescription. Secondly, its important to diagnose exact condition related to rheumatism. As per your history, its seems weight gain, joint pain is major problem. Kindly tell us about other symptoms if any, so that we can help in diagnosis. Best is to consult " RHEUMATOLOGIST" in person and under go thorough investigations for confirmed diagnosis and treatment.