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Titer testing

(19 Posts)
Samie10 Wed 10-Apr-13 18:08:33

Has anyone any experience of this with babies?

CatherinaJTV Wed 10-Apr-13 18:21:13

blood draws are no fun in babies, but titer tests can be done of course - what would you be testing a baby for?

Samie10 Wed 10-Apr-13 18:39:59

DTaP, Hib, Pcv, ipv, men, measles...al of them I guess if its possible....why isn't this offered?

CatherinaJTV Wed 10-Apr-13 19:53:49

it is for kids who are suspected to have immune deficiencies, but to test 8 diseases will set you back over 600 pound. Why would you like to test these all?

Samie10 Thu 11-Apr-13 03:53:44

Why give my baby vacs she doesn't need if she is immune?

CatherinaJTV Thu 11-Apr-13 10:06:00

how many has she had so far and how long ago were they?

lljkk Thu 11-Apr-13 10:16:26

Blood tests on babies are horrible. Had DS tested twice because we were worried about lead levels in our home. Jabs are far far preferable.

Samie10 Thu 11-Apr-13 10:35:17

why are blood tests so bad for babies?
8 weeks jabs and now she is 8 months

CatherinaJTV Thu 11-Apr-13 11:03:38

Samie - your daughter has a very low likelihood of being immune against any of the diseases at this point, especially not against measles (mumps, rubella) because they are not included in 8 weeks shots.

Samie10 Thu 11-Apr-13 19:00:00

So she has to have the vacs to boost immunity? What about natural immunity?

CatherinaJTV Thu 11-Apr-13 19:10:02

natural immunity against tetanus, polio, diphtheria, measles, hib, meningococci? Heck! I hope not!

Samie10 Thu 11-Apr-13 19:14:57

Ok I'm not a scientist like you, can you explain? I thought we hd not aural immunity that we are born with or build up, is this not the case?

Samie10 Thu 11-Apr-13 19:15:48

That should say 'thought we had natural...'

stargirl1701 Thu 11-Apr-13 19:20:09

You only have immunity if you catch the disease. So, if you catch strain X of the common cold you won't be ill with that strain again as your immune system will produce antibodies to fight the infection. You surely don't want to expose your 8 month old to the diseases you mentioned? The vaccines will provide immunity with minimal risk.

Samie10 Thu 11-Apr-13 19:26:06

So there is no such thing as natural immunity?

Sidge Thu 11-Apr-13 19:34:59

Some natural (passive) immunity can be acquired from the mother (eg against measles) but this tends to be relatively short lived.

Most immunity is acquired either through having the disease itself (eg chickenpox) - if you then come across the disease again your immune system "remembers" the disease and has antibodies ready to fight it. Or it can be artificially acquired by receiving an immunisation which would make the immune system create antibodies against that disease.

Immunisations tend to be given against diseases where the risk of having the original disease is considered high, potentially leading to death or serious disability.

sashh Fri 12-Apr-13 05:23:36

So there is no such thing as natural immunity?

We all have an immune system. Sometimes it goes wrong and either doesn't do it's job properly or does it too much and attacks the body.

But for the vast majority we have an immune system, this is series of cells that do certain jobs.

An analogy I've used before is that it is an army.

Very disciplined and good at marching and doing routine things so that if you pick up bacteria from the handle of a supermarket trolly and then that bacteria gets into your mouth (maybe you tried something from the delli counter) your immune system works to stop that becoming an infection.

The army also recognises and defends against things that are local ie endemic. Sometimes some immunity is genetic. People from the village of Eyam in Derbyshire are often naturally immune to plague. Fascinating reading if you have a couple of hours spare.

When your body encounters a disease this is like the army being attacked by a new weapon or new way of fighting. The army hasn't seen this before so it has to identify what it is and train soldiers so fight this particular enemy. But while it is identifying and planning you are getting more ill.

Some times outside help in the form of antibiotics will come into the system but that can't be relied upon.

Immunisation / vaccination is like a training exercise. It gives your body the chance to identify and train specialist soldiers so if the attack happens the immune system is ready and can counter attack.

So there are three ways to get immunity.

1) Inherit it from a parent, this only applies to one or two very specific diseases, and not things we encounter everyday. There is also some immunity passed from mother to child, but this wears off quickly.

2) Encounter the 'wild' disease. This may mean being ill, it may also mean you have the disease but don't know because your immune system is being efficient. Most people who have had polio don't know it.

3) Encounter the disease in a modified/harmless form ie vaccination/immunization.

Obviously option 1 is the best, but how often do we encounter plague in western Europe?

Option 2 is the nasty one, any of the diseases we vaccinate against are nasty, with the exception of rubella they can all leave you severely disabled if they do not kill you. Rubella will protect your daughter's unborn child if she chooses to have children. It will also mean she cannot infect a pregnant woman.

Option 3 is the only realistic option.

It is possible your daughter has encountered some of the diseases and gained immunity, but very very unlikely. When did you last hear of diphtheria?

lljkk Fri 12-Apr-13 14:08:56

why are blood tests so bad for babies?

Compared to jabs (quick, only small needle required):

Big needle, takes ages, baby needs restraining for longer, feels more pain, cries longer because they haven't a clue why. Just horrible. Need a specialist plebotomist (?, blood taker) since it's a baby.

coorong Fri 12-Apr-13 16:38:51

Blood has to come from a vein - ie not a pin prick like the heel test on new borns. You see if you can find a vein in your baby's forearm.

My eldest had to have an operation at 11 months and it wasn't fun. The paediatric anaesthetist (who are experts at finding veins) warned of the danger of haematomas etc. and later I saw young babies having blood samples taken (for serious neurological conditions) and it wasn't pleasant.

And as previous poster point out, there is no such thing as "natural immunity". All babies have some anitbodies from their mother, but they don't last. If exposed to the disease in a small from (a taster) the body starts to develop anti bodies. Then when exposed to the real thing, it can manufacture the anti bodies quickly and efficiently an d not get ill.

The anti vacc lobby trades on the idea of "natural immunity" but it's a crock.

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