Immunity is a condition of resisting a particular disease by preventing its development or by counteracting its products in the body. The presence of antibodies in the body against the disease helps in fighting against it. Antibodies are produced by the body to destroy the causative organism.

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Is it compulsory for my child to take Menactra vaccine?

Query: Hello doctor, My son is 26-months-old. The doctor has advised taking the Menactra vaccine (Sanofi). Though this vaccine is not listed in IAP compulsory immunization schedule, is it necessary to take this? What are its side effects?   Read Full »

Dr. Deepak Patel

Answer: Hello, Welcome to I understand your concern. Menactra Vaccine (Meningococcal Vaccine (Group A, C, Y, and W-135)) is given to prevent meningococcal disease. It is not mentioned in the IAP (Indian Academy of Pediatrics) compulsory immunization schedule. But in some places where meningococ...  Read Full »

Can my child suffering from chickenpox get the measles vaccine?

Query: Hello doctor, My baby is 9 months old. His measles vaccine is pending and he got chickenpox just 10 days before. Is it safe to give measles vaccine today?  Read Full »

Dr. Nagasirisha Naredla

Answer: Hello, Welcome to Chickenpox and measles are similar kind of diseases, categorized as viral infections with a rash. In such a scenario, it is better to give measles vaccine one month after full recovery from chickenpox. It is not a problem to give measles vaccine after a month. Until...  Read Full »

Can an air purifier harm the natural immunity of a child?

Query: Hello doctor, I have a 3-year-old daughter. I am planning to buy a non-ozone based air purifier for her. I want to know if an air purifier harms or impacts the natural immune system of a child?  Read Full »

Dr. Abaranam Innaci

Answer: Hello, Welcome to Air purifiers are used for the purpose of filtration of particulate matter, which is not filtered by the lungs. They actually purify the air and avoid harmful dust. So, I suggest you can use it. However, consult your specialist doctor, discuss with him or her, and ...  Read Full »

How to improve a baby's immunity?

Query: Hi doctor, My daughter is almost 9 months now. She is gaining good weight and height. What should I include in her diet chart to boost immunity, height and make her complexion bright? Please provide a good dietary solution.  Read Full »

Dr. Sadaf Mustafa

Answer: Hello, Welcome to Congratulations for having the little miracle. I guess she is breastfed. If that is correct, then she got plenty from her mom. Regarding the diet, the important point is to make sure that she gets all essential nutrients. Add diet rich in vitamin C, E and A, fruits li...  Read Full »

How can I improve my immunity against pneumonia?

Query: Hello doctor, How can I improve my immunity for pneumonia since I already had it five times? Once when I was a kid, thrice in high school and currently at college. Please help.  Read Full »

Dr. Amol Kumar Wasudeorao Diwan

Answer: Hello, Welcome to Pneumonia is a lung infection. It is a serious problem if you do not care about it in timely. You get pneumonia due to infection with bacteria, virus or fungus or if your immunity goes down. You said you had pneumonia five times in your lifetime. As you had it with ...  Read Full »

Please interpret my immunization results.

Query: Hello doctor, I got immunization check as it is a university requirement and the following were the results. I have not been on medication for the following and also am not on any medication right now. Please interpret these results. 1. HAV-IgG to Hep A - 11.48 (reactive). 2. Mumps - 47 (positive...  Read Full »

Dr. Elvis Njoroge Nderitu

Answer: Hello, Welcome to No need to worry despite the results turning positive. For instance, for hepatitis, the virus that is considered to be dangerous is hepatitis B, all the same, you need to take hepatitis immunization, which I believe is a requirement when joining the school. For the M...  Read Full »

Can a child travel by air after adenoidectomy?

Query: Hello doctor, My 17 months old daughter booked in for grommets and adenoidectomy due to fluid in middle ear and recurrent ear infections. We are flying two weeks after the procedure. We will be visiting a place with bad air pollution. Will she be more at risk of respiratory infection with no adenoi...  Read Full »

Dr. Shyam Kalyan. N

Answer: Hello, Welcome to At a place with bad air pollution, one's respiratory mucosa tends to get excoriated and irritated due to the harmful contents in the air. This can make the area supple and raw and more prone to bacteria and viruses in the surroundings. Having removed adenoids does not ...  Read Full »

Do I need to have a rabies vaccine towards an unsure scratch ?

Query: Hello doctor,Two days before a small puppy came and I am not sure whether he scratched me or not. There is no big mark on feet. But I have a very small cut in my hand. I have cleared my jeans with that hand. So I am doubtful my cut has come in contact with that place where puppy licks. Sir do I need...  Read Full »

Dr. Nidhin Mohan

Answer: Hi, Welcome to Just take the first dose and second dose after three days. There is no need for five doses. The last dose was taken just a few months back. Anti-rabies antibodies will still persist in the body and provide immunity. But still, reexposure within one year requires two dos...  Read Full »

I have a high body mass index. Will this lead to a weakened immune system?

Query: Hi doctor, My waist size is slightly longer than average, and my body mass index (BMI) is somewhat higher than average. I saw some peer-reviewed journal articles that said the immune system would be weakened if people are obese, and the obesity-induced adipose tissue will persist with weight loss. I...  Read Full »

Dr. Muntaqa Butt

Answer: Hi, Welcome to Yes, this is true that obesity leads to a weak immune system and many diseases. There is no specific test that can tell whether your immune system is vulnerable or not. But yes, you can go for antibody levels. The only sign is that you will get frequent infections. Just...  Read Full »

I have not had a fever for more than 15 years. Should I get tested?

Query: Hello doctor,I have not had a fever for many years (around 15 years or more if I remember correctly). I read somewhere that I should get immunoglobulin checked because I have not got a fever for years. Will it be useful to do this test? If yes, then which ones should I get done as there are multiple...  Read Full »

Dr. Krutika Shrikant Ingle

Answer: Hello, Welcome to I really do not understand who has given you this information. If you did not get a fever since the last 15 years, is it not a good thing? Fever is a body's defense mechanism when you acquire any infection. Not getting fever means you have been taking good care of yo...  Read Full »

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