Your GFR and creatinine values are nor worrisome at all.
Any investigation needs to be seen in the overall context. Thus the interpretation of an investigation will be done in the light of symptoms, signs, physical exam findings, other investigative results, and medical imaging.
All investigative results should be correlated and corroborated with the clinical findings and other investigations.
Your symptoms are not related to any STD.
Your symptoms can be due to;
2) Allergic issue; allergy tests are advised.
3) Autoimmune issue. A blood panel is needed.
Wishing you a speedy resolution and all the very best in life.
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