Pcr

PCR is the short form for a polymerase chain reaction. It is a method used to make copies of DNA or RNA in samples containing only minute quantities of both. This test is done to diagnose hereditary conditions, in DNA profiling, and the diagnosis of infectious disease.

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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.

Why do I get an odd sensation in shoulders and head?

Query: Hello doctor, When I try to go to sleep every night, this horrible gas has disturbed my immune system, and some solid-like comes up from my shoulder area to the right side of my head and attacks me all night long. I am exhausted from it all. I believe it is a virus. Lab work found I have an aggress...  Read Full »


Dr. Sugreev Singh

Internal Medicine Physician, General Medicine Physician

Answer: Hi, Welcome to icliniq.com. Such a weird sensation can be due to parasitic infection only, and as you mentioned, you have a previous history of insect bites. So most probably it is due to that only. I would suggest you continue with the antiviral therapy you are currently taking. And along with t...  Read Full »

Can I take PCR test for COVID-19 before having a transit?

Query: I just have questions regarding PCR test. I will be flying out soon and will have a transit and stay the night before continue to my last destination. But due to conditions after the first test before flying I still need to go out and meet people. I am concerned and would like to have another test w...  Read Full »


Dr. J N Naidu

Family Physician, General Practitioner

Answer: Hi welcome to icliniq.com I understand your anxiety. Appreciate that it takes sometime for the virus after it enters humanbody to multiply and cause disease symptoms like dry cough, sore muscles, fever, loss of taste,smell etc. This is called incubation period. Incubation period for covid 19 is 6 ...  Read Full »

Kindly suggest medications for high fever due to COVID-19.

Query: Hello doctor, I am 47 years old. I tested COVID-19 positive. I started mild fever before six days until yesterday I had only a mild fever 98-99 F. Since last night, my temperature has gone up to 101 and not reducing. I have not started taking any medicine until now. Which medicine should I start to...  Read Full »


Dr. S D Sinha

Family Physician, Infectious Diseases Specialist

Answer: Hello, Welcome to icliniq.com. You must not worry, but you must take adequate precautions and necessary treatment. The precaution is trying to ensure your family members do not get infected along with you. You must isolate yourself at home and take suggested measures. However, if the condition w...  Read Full »

My FIL's fever is not improving even after medications and antibiotics. Why?

Query: Hi doctor, My father-in-law is about 68 years old. For the last 12-13 days, he is having a fever of 101 to 102. We have shown him to the local physician. As prescribed, he is taking some medicine for fever with some antibiotics. The fever is going down on the effect of the medicine. However, the te...  Read Full »


Dr. Zubayeralam

Family Physician, General Medicine Physician, General Practitioner, Pulmonologist, Internal Medicine Physician

Answer: Hi, Welcome to icliniq.com. I can understand your concern. According to your statement, your father-in-law has been suffering from fever for the last 12-13 days, which is fluctuating in nature. The prescription and the investigation reports (attachment removed to protect patient identity)...  Read Full »

I have increased RBC along with decreased MCV and MCH. What could be the reason?

Query: Hi doctor, If my complete blood count has high RBC value and low MCV and MCH values, what is the possible diagnosis for me?  Read Full »


Dr. Parth R Goswami

Family Physician, General Practitioner, Hematologist, Pathologist

Answer: Hi, Welcome to icliniq.com. High RBC count is called polycythemia. If it is persistently high, then the cause should be evaluated. Respiratory causes like COPD (chronic obstructive pulmonary disease) and cardiac causes can lead to secondary polycythemia. Primary polycythemia is a myeloproliferative...  Read Full »

Can streptococcal infection cause stomach cramps and chest pain?

Query: Hi doctor, I have left-sided crampy stomach pain and chest pain which is mostly located under breast, near ribcage. About two years ago I got Streptococcal infection, pneumonia and bronchitis at the same time. In ER, they prescribed Amoxicillin. But it did not work for me as I am allergic to Penic...  Read Full »


Dr. Pooja Pardhi

General Medicine Physician, General Practitioner, Internal Medicine Physician

Answer: Hi, Welcome to icliniq.com. I have read your query and understood your health concern. As you had Streptococcal infection three weeks back, it might have spread to the lower respiratory tract. Infection of the lower respiratory tract by Streptococcus can cause pneumonia or pneumonitis whi...  Read Full »

I have recurrent iridocyclitis. Kindly advise.

Query: Hello doctor, I am suffering from iridocyclitis in my right eye since last six months. Every time when I stop my Pred Forte eye drops, it recurs after one month, till now it has recurred three times. I have tested for TB, anti-nuclear antibodies, anti-CCP antibodies, HLAB27 all are negative. But ...  Read Full »


Dr. Naval Mendiratta

Rheumatologist

Answer: Hello, Welcome to icliniq.com. I have gone through your history and investigations (attachment removed to protect patient identity). Well firstly iridocyclitis (anterior uveitis) is mostly an autoimmune problem. We can only find a definite cause in 30 percent cases. So, when it is a single episode...  Read Full »

I have muscle pain near the chest inspite of having medications. Why?

Query: Hello doctor,I have muscle pain near the chest. I am having muscle pain near the chest from the last two to three months. I have done all the cardiac tests, and it is fine, then I consulted a rheumatologist, and she suggested some tests and medicine. It has been a month, and I am still having some p...  Read Full »


Dr. Divya Agarwal

Rheumatologist

Answer: Hello, Welcome to icliniq.com. You are right, and you have peripheral arthritis due to HLA-B27 positive. Your chest pain is due to enthesitis, and please feel free to query me in this regard. If your HLA-B27 positive by PCR (polymerization chain reaction), because that is a condition which can gi...  Read Full »

Can Levaquin be used for gonorrhea?

Query: Hi doctor, I did IgG test for HSV-1 and HSV-2 after four months of possible exposure, which was negative. Is it conclusive? Is there any need to do IgM test? If IgG is negative, can I consider that I am not infected?  Read Full »


Dr. Ravinder Kaur Sachdeva

HIV AIDS Specialist

Answer: Hello, Welcome to icliniq.com. The time required for IgG (immunoglobulin G) antibodies to develop after the exposure to HSV (herpes simplex virus) is usually 21 to 42 days. A negative HSV IgG means that you have probably not been exposed to HSV. HSV IgM (immunoglobulin M) will tell whether you have ...  Read Full »

How reliable is the tri-dot test?

Query: Hi doctor, I was suffering from extreme fatigue last month, so I got a Widal test, which was positive. I have had typhoid many times earlier, and two years back I got hepatitis. Last month I got LFT and CBC tests, and I am attaching the reports. LFT was normal, while CBC shows lymphopenia and macro...  Read Full »


Dr. Parth R Goswami

Family Physician, General Practitioner, Hematologist, Pathologist

Answer: Hi, Welcome to icliniq.com. I had seen the reports that you have attached (attachment removed to protect patient identity). In your CBC (complete blood count) reports, neutrophils are very high and lymphocytes count is low, which is suggestive of some acute infection in the body. Here, as the lymp...  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.