Common "Covid-19 Testing" queries answered by top doctors | iCliniq

Covid-19 Testing

Diagnostic tests and Antibody tests are the two types of COVID-19 tests. Of the two, the former detects active COVID-19 infection using a nasal or nasopharyngeal swab, whereas the latter detects a past infection with the help of blood. Diagnostic tests are further divided into Antigen tests like Rapid and Molecular tests like the RT-PCR, NAAT, LAMP test. One should get tested for COVID-19 if he/she has symptoms of COVID-19 or had close contact with an infected person, or engaged in activities without social distancing.

Recently Answered Questions Recently Answered Questions

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.

Why did my COVID test come negative and after two days positive?

Query: Hello doctor, I have a question regarding a negative and positive COVID-19 test. I have received both in three days, and I am not sure what to believe. I need another opinion. Please advise. Thank you.  Read Full »

Dr. Vishal Patidar

Answer: Hello, Welcome to I understand your concern. Can you please tell me in detail when were you tested positive and when negative? Have you done the RT-PCR (reverse transcription-polymerase chain reaction) or RAT test (rapid antigen tests)? What are your current symptoms, and when did you...  Read Full »

What is the cause for having a cough with phlegm for a long period?

Query: Hi doctor, I have had my cough with phlegm for almost a month now. I have had two swab tests already, and both got negative for COVID results. What can I do to be relieved of my cough? I am taking Ascof Lagundi, and in the past, I used to take Solmux. Kindly help me.  Read Full »

Dr. Muhammad Zubayer Alam

Answer: Hi, Welcome to I can understand your concern. According to your statement, you have been suffering from a cough with phlegm for almost a month. Your RT-PCR (reverse transcriptase-polymerase chain reaction) for COVID-19 tests were negative. Cough with phlegm for a month may result from ...  Read Full »

What does the CT- chest scan value indicate in COVID-19 patients?

Query: Hi doctor,My friend is infected with COVID-19. He got his CT scan done, and I have his report from the lab. Since the information has all technical terms, I want to understand how severe his condition and case are. He will consult another doctor, who most probably will start steroids to control it f...  Read Full »

Dr. C. Elanchezhian

Answer: Hi, Welcome to CT (computed tomography) scan shows (attachments removed to protect the patient's identity) a lung involvement value of 16/25 which means there are blood clots in the lung field due to COVID-19 infection. There are three lobes in the right and two lobes in the left lung...  Read Full »

What is the quarantine period for a COVID-positive person?

Query: Hi doctor, I have tested positive for COVID today. How long should I be in quarantine, and is it required to do the test again? If so, when should I take the test?  Read Full »

Dr. Nagaraj

Answer: Hi, Welcome to I can understand your concern. As per the guidelines, you should isolate yourself for two weeks to prevent spreading the infection. A re-test is usually recommended two to three days before completing isolation. It is equally important that you watch out for symptoms l...  Read Full »

Who are indicated for a COVID-19 test?

Query: Hi doctor, I have throat pain for the last two days. My body temperature is 37.2 degrees, and my SpO2 is 97 to 98 percent. Should I take a COVID-19 test? I am taking the medicine Amoxicillin for throat pain. It is much better, but my temperature is 37.2 degrees. Is it a fever or not? Please let me ...  Read Full »

Dr. Bhadragiri Vageesh Padiyar

Answer: Hi, Welcome to Yes, you must get the COVID-19 (coronavirus disease 2019) test done. You can either get the rapid antigen test or the RT-PCR (reverse transcription-polymerase chain reaction) done. Until the reports come, I suggest the following, 1. Tablet containing a combination of Amox...  Read Full »

How dangerous is the coronavirus disease?

Query: Hello doctor, My brother is 37 years old and has been diagnosed with COVID-19. He is having a continuous fever ranging from 102 to 104 degrees Fahrenheit and oxygen level varying from 92 to 96 degrees Fahrenheit. He is in-home quarantine. Everyday symptoms are changing, and on day one, he had a hi...  Read Full »

Dr. Muhammad Zubayer Alam

Answer: Hello, Welcome to I can understand your concern. According to your statement, your brother has been suffering from COVID-19. As Covid-19 mainly attacks the respiratory tract, so cough may be noticed as diseases progress. Initially, dry cough may appear, then cough becomes intractable ...  Read Full »

What does CT (computed tomography) severity score mean?

Query: Hi doctor, I was tested positive for COVID-19 seven days back. I am having some mild symptoms. I am checking my oxygen levels using a pulse oximeter. I have a range of 90 to 100% for the past three days. I do not have any difficulty in breathing. I took a computed tomography (CT) chest after six day...  Read Full »

Dr. Muhammad Zubayer Alam

Answer: Hi, Welcome to I understand your concern. I have gone through the attached reports (attachment removed to protect patient identity). According to your HRCT (high resolution computed tomography) of chest and RT-PCR (reverse transcriptase-polymerase chain reaction) test results, you...  Read Full »

Does COVID-19 increase all the blood parameters?

Query: Hi doctor, My husband, aged 40 years, tested positive for COVID-19 ten days ago. He had a high fever of up to 103 degrees till yesterday. He got his CT scan done after three days of the COVID-19 test. The CT scan value was 3/25. His CRP is 7.5 mg/L. He repeated blood tests after three days of CT sc...  Read Full »

Dr. Sugreev Singh

Answer: Hi, Welcome to Thank you for writing, and I understand your concern. According to the symptoms, current treatment is sufficient, so please do not worry. You do not have to admit your husband because his oxygen saturation is good, and HRCT (high-resolution computed tomography) shows a ...  Read Full »

Apart from COVID-19, what other conditions cause fever and shivering?

Query: Hello doctor, I have a fever without temperature. I have done a rapid test for COVID-19, and I am negative. What should I do?  Read Full »

Dr. Yermal Tanmai Deelip

Answer: Hello, Welcome to I went through your symptoms. You have a fever but no temperature. Do you mean when you check on the thermometer you do not get more temperature? How much was the maximum temperature that you got on the thermometer? What other symptoms do you have like cold, running no...  Read Full »

Are COPD patients most at risk for COVID-19?

Query: Hello doctor, Today is the 17th day after the COVID-19 positive result. I have breathing difficulties, cough and think it has reduced now. I consulted a doctor on 15 th day. According to the doctor, my chest is clear and my blood report are fine. In the past 15 days, I contacted hospital for admis...  Read Full »

Dr. Penchilaprasad Kandikattu

Answer: Hello, Welcome to I can understand your problem. Do not worry. Usually the incubation period is around 14 days.  Read Full »

ask-doctor-img Ask a Doctor Online

* Your first query consult is free!

Search for a Health Issue

Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare 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. Read our Editorial Process to know how we create content for health articles and queries.