I have been feeling unwell for the last few months. I had protected sex and also did the testing after one month, and all came normal. After that, I had symptoms like mild fever, sore throat, cough, and fatigue. After the endoscopy, the doctor told me it was dyspepsia, and I took antibiotics for four weeks. Now I am getting ulcers every month and fatigue, and dizziness. When I did a full blood count test, it was days of neutropenia, and neutrophils were low. So I would like to know if it is a human immune deficiency virus (HIV) related to cancer. I had done human immune deficiency virus (HIV) care tests last month and other blood tests for sexually transmitted disease (STD), and all came as normal. Please advise.