Ns1 Antigen Test

NS1 antigen is called nonstructural protein 1, and the presence of this antigen is used to diagnose dengue fever. NS1 is commonly detected in people infected with dengue, and it is detected initially after the infection, even before the appearance of IgM antibodies. This protein is detected using enzyme-linked immunosorbent assay (ELISA).

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All the answers published in this website are written by Verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

What is the reason for fever along with skin rash and lip swelling?

Query: Hi doctor, My 2 year old baby is suffering from fever, skin rashes, cough and vomiting after meal. What is the problem? What shall I do now? Her lips have got swollen. Please help.  Read Full »


Dr. Deepak Patel

Child Health Specialist, Paediatrician

Answer: Hi, Welcome to icliniq.com. I can understand your concerns. Fever with rash, vomiting and swelling of lips can occur in dengue fever and measles. I think that you should do complete blood count, CRP levels (C-reactive protein) and NS1 Antigen test (dengue). The child should be immedia...  Read Full »

High fever due to dengue. Can antibiotics be given to cure it?

Query: Hello doctor, My daughter, 21 years old, has a fever (100 degF to 101 degF) and nausea for the last five days. She has very low appetite and abdominal pain. Among all other tests, the CBC test worries me. The test result reveals that her WBC count is 3300, neutrophils 83 % and lymphocytes 11 %, pla...  Read Full »


Dr. Vivek Chail

Family Physician, General Practitioner, Radiodiagnosis Physician, Radiologist

Answer: Hi, Welcome to icliniq.com. I have read through your query in detail. Please find my observations below: Your daughter has slightly low hemoglobin and platelets (attachment removed to protect patient identity). The normal hemoglobin is considered above 12 and platelets more than 150000. RBC count ...  Read Full »

Can you go through my dengue test results and explain them to me?

Query: Hi doctor, I have a fever (100 to 103 F) from the last two days with chills and aches on the knees and hands. I went to a general physician. She prescribed me Mefkind forte and said that if the fever stays for more than a day, I should go for CBC and dengue antigen. But, I have done my CBC and den...  Read Full »


Dr. Mohammed Parvez

Internal Medicine Physician, General Medicine Physician

Answer: Hello, Welcome to icliniq.com. Your dengue test (NS1) is positive, and the platelet count is normal. You also have mild anemia, most likely due to iron deficiency. Your fasting blood sugar is on the higher side. Please continue to drink plenty of water as it is the main treatment for dengue...  Read Full »

My wife and I started having fever and chills at the same time. Could it be HIV?

Query: Hello doctor, For the last two days, I have a headache, fever, chills, sweating, and body ache. On contacting my doctor, he advised me to go for a dengue test in which NS1Ag came positive, and the doctor has advised for an ELISA test which is yet to be done. Now, I am worried as the HIV symptoms ar...  Read Full »


Dr. Rashmi Singh

Cosmetologist, Dermatologist, HIV AIDS Specialist, Venereologist

Answer: Hello, Welcome to icliniq.com. I read your query and understood your concern. The antigen test that is done is not a diagnostic test but, used to complement the diagnosis. It is not very conclusive. The symptoms you described are seen 14 to 15 days after exposure, and not this late. In oral sex, unl...  Read Full »

I have fever, red rashes, and low platelet count. Is it dengue fever?

Query: Hi doctor, I am a 25 year old female, who weighs 24 kg and 5.3 feet tall. I have had a fever since last week. The fever was between 38 to 40o C. I also had headaches and lower back pain. Today I got tested for dengue, but that was negative. However, on my torso, neck, and face, there are these red r...  Read Full »


Dr. Sagar Ramesh Makode

Cardiologist, General Medicine Physician, Internal Medicine Physician, Family Physician, General Practitioner

Answer: Hello, Welcome to icliniq.com. It could be dengue or any other viral infection. The presentation of all viral fevers is almost same. And any viral infection can cause low platelets count, and dengue is known for it. During the first 4 to 5 days of fever, dengue NS1 antigen will be positive,...  Read Full »

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Disclaimer: All health Q&As published on this website are not intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek the advice from your physician or other qualified health-care providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website.