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Antibody
An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune system can eliminate it.
Dr. Richard Wachs reviewed this
28 year experience in Allergy and Immunology
How long it usually lasts:
Related questions
A 21-year old asked:
What are antibodies?
3 doctor answers • 8 doctors weighed in
A 26-year old male asked:
What is pra antibody?
1 doctor answer • 2 doctors weighed in
A 42-year old asked:
What is the NS1 antibody?
1 doctor answer • 1 doctor weighed in
A 42-year old asked:
U1rnp antibody what does it do?
1 doctor answer • 1 doctor weighed in
A 43-year old asked:
Can bad antibodies go away for good?
1 doctor answer • 1 doctor weighed in
A 41-year old asked:
What does increse in antibodies mean?
1 doctor answer • 1 doctor weighed in
A 37-year old asked:
What is some type of antibody positive?
2 doctor answers • 4 doctors weighed in
A 47-year old asked:
Where are antibodies produced in the body?
1 doctor answer • 2 doctors weighed in
A 40-year old asked:
What could cause a low number of antibodies?
1 doctor answer • 1 doctor weighed in
A 36-year old asked:
Antibody levels high. What is this a sign of?
1 doctor answer • 2 doctors weighed in
A 28-year old male asked:
What is the definition or description of: antibody?
1 doctor answer • 3 doctors weighed in
A 43-year old asked:
What do I need to know about anti kells antibodies?
1 doctor answer • 3 doctors weighed in
A 40-year old asked:
Can you tell me how are antibodies in your body made?
1 doctor answer • 1 doctor weighed in
A 45-year old asked:
What does it mean to be antibody ahcv reactive by eciq?
1 doctor answer • 1 doctor weighed in
A 46-year old asked:
What can cause someone to have a low number of antibodies?
1 doctor answer • 1 doctor weighed in
A 44-year old female asked:
Should I be concerned with a positive VGKC antibody test?
1 doctor answer • 1 doctor weighed in
A 33-year old asked:
Need expert help here. What are the antibodies that causes hdn?
1 doctor answer • 1 doctor weighed in
A 37-year old asked:
What happens when a child develops antibodies to a certain food?
1 doctor answer • 1 doctor weighed in
A 41-year old asked:
What is the average level of antibodies in a non-sick individual?
1 doctor answer • 1 doctor weighed in
A 34-year old asked:
In an antibody response which type of antibodies are first produced.?
1 doctor answer • 3 doctors weighed in
A 44-year old asked:
Can you tell me what does it mean if you're some type of antibody positive?
1 doctor answer • 2 doctors weighed in
A 67-year old male asked:
I have had 2 Covad antibody test both came back negative what does this all mean?
2 doctor answers • 2 doctors weighed in
A 23-year old male asked:
What are the rare cases for someone who doesn't develop antibodies until 6 months?
2 doctor answers • 7 doctors weighed in
A 24-year old male asked:
How long does it take the body to create antibodies after it is exposed to a disease?
3 doctor answers • 6 doctors weighed in
A 43-year old asked:
If i've already had a disease and will I have the necessary antibodies to fight it again?
1 doctor answer • 1 doctor weighed in
A 21-year old asked:
My thyroidglobulin antibody is 94 which high. The range is < 0.1 and Im not sure what it means.
1 doctor answer • 1 doctor weighed in
A 49-year old asked:
Can you tell me in which case does the recipient start making antibodies to the specific disease?
2 doctor answers • 2 doctors weighed in
A 37-year old asked:
What do you suggest if I have hb surface antibody as reactive(3158) but hb surf. Antibody as non reactive. What doe that means.?
1 doctor answer • 3 doctors weighed in
A 28-year old female asked:
I'm due anyway now and I just came down with a cold. If I have the baby while sick, will he get my antibodies and then not get sick?
1 doctor answer • 1 doctor weighed in
A 35-year old male asked:
A test found that i don't have brusselosis , but I do have brusselosis antibodies , should I be alarmed ? What's the risk? What should I do?
1 doctor answer • 4 doctors weighed in
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