In children the list of allergic symptoms is even longer than it is in adults, who got in while the going was safer. Dr William Crook, a paediatric allergist famous for his work with Candida and author of many reports on the subject, notes that, with children, people fall into the ‘it’s-all-psychological’ trap. Very often the child’s symptoms are seen as an indication that the parents are at fault (the chief offender is usually the mother) because they have not loved the child enough, not responded enough, or responded too much, at the wrong time or in the wrong way.
The idea that autism was caused by unloving, emotionally inept parents has faded, but in its place have come similar concepts about other ailments from asthma to hyperactivity, from learning difficulties and short attention span to bed-wetting, nose-picking and thumb-sucking.
Invariably, psychological factors do influence disease processes, but there’s growing evidence that their influence is greatly aggravated by other factors. In some cases, the illness may be the result of faulty biochemistry, which plays a part in allergic reaction. From schizophrenia to migraine, from menstrual difficulties to alcoholism, the search for a biochemical cause can be found in all major scientific research. It makes sense to tackle things that can be fixed simply before trying to fix the more difficult and intangible factors that may be contributory causes.
Tracing an allergenic substance, whether it is food or something in the environment, isn’t simple, but it’s still far easier, cheaper and quicker than putting the sufferer in hospital for long periods. If you’re cynical, you may think it’s too simple a solution in a complicated society like our own; and allergy testing isn’t the only solution to a health problem that has been given this backhanded compliment.
According to Dr Crook, most childhood allergies are caused by sensitivity to something the child eats, breathes or touches. As well, infections, emotional stress and weather change can trigger or aggravate allergic symptoms, because all these things make demands on a comparatively sensitive body. But whether these external factors cause a child to develop allergies depends on many complex internal factors such as heredity, the state of the immune system, general health, emotional status and age.
For example, hypoglycaemia (low blood sugar) was once thought to be a disease. Now we know it is often one of the symptoms of an allergy. It can cause many disturbances in children, such as tiredness and slowness to learn, and especially in the sort of child who skips breakfast or who snacks on sugary carbohydrates. Paradoxically, children who are forbidden to eat anything at all between meals may also be in danger if there is a likelihood of their having an unusual glucose metabolism; if, for instance, there is a history of diabetes in the parents or grandparents.
Low blood sugar can be caused by a high consumption of sugary and starchy foods. The trusty pancreas, called into action time and time again to deal with an onslaught of sugar, eventually becomes trigger-happy in producing insulin to ‘zap’ down blood sugar levels not wisely but too well. The resultant condition, hypoglycaemia, is now known to be the forerunner of diabetes or high blood sugar, which is what happens when the pancreas, after years of churning out insulin at the first sign of a blood sugar rise, slumps back exhausted and refuses to function.
There is a strong suspicion at the moment that cow’s milk may be one of the allergic triggers that alters our immunity and leads to diabetes. Allergists have found that blood sugar levels are intimately bound up with allergic symptoms. In some cases sensitivity to a specific substance can cause a child’s blood sugar level to fall. Even more interestingly, low blood sugar can cause stress, which makes a child more likely to develop allergies. In other cases low blood sugar is due to some substance other than sugar; but sugar is still the trigger. The body may be just managing to cope with the allergy when it gets a deluge of sugar and the whole delicate balance between blood sugar and insulin goes haywire.
The things parents need to watch for are anything the child eats, breathes or touches: things that cause chilling, overheating or changes in atmospheric pressure (going to the mountains, plane travel, air-conditioned rooms); things that encourage emotional upsets and inner worries (hard to recognise if you’re a tyro parent, because children don’t react like adults); and finally, viruses and bacteria, the ‘bug’ that is forever going around schools and kindergartens and which young children seem to attract by magic. Any of these things can trigger or aggravate a reaction in a child who is intrinsically allergic.
The trouble is that the symptoms may be the last thing a parent or doctor would attribute to allergy — hence the title of this chapter.
If a child has circles under the eyes, for instance, we usually think of lack of sleep. Today, perhaps, we’d suspect it was too much television; for the last few centuries it was considered a sure sign of masturbation; and for a long time one naturopath insisted that it was a sign of poor kidney function. Now they are called ‘allergic shiners’ because they are often a sure sign that the child is allergic.
Excessive sweating at night doesn’t immediately make you think of allergy either. Fever, yes; perhaps menopause. But something you’ve eaten, breathed or touched? No, it’s not crazy Allergy is like an iceberg, inasmuch as asthma, hay fever and rashes are only the visible one-eighth, the easy-torecognise part. It’s the submerged symptoms, the invisible seven-eighths of the allergy iceberg, that often escape detection.
Let’s look at what happens when a child develops an allergy. Firstly, the child’s body produces antibodies to combat the offending substance, even though other people’s immune systems simply don’t consider whatever-it-is worth worrying about. Some people, after all, can cuddle cats, stroke horses, smell privet, eat eggs and drink litres of milk without coming to the slightest harm.
Once the antibodies are there, for ever afterwards there will be trouble when antibody and allergen meet. Literally, a small explosion occurs in the child’s body as various sorts of chemical substances are released by the vigilant immune system. The body ‘means well’, of course — its aim is to fight what the immune system sees as the enemy — but in the process different body tissues get caught up in the drama as innocent bystanders and are irritated and injured.
Allergies are tricky because there’s no knowing which disguise they’ll take. That is, which part of the body, which process, is going to get knocked down in the scuffle between antigen and allergen. It may, for instance, be the mucus membranes of the nose, causing what is medically known as allergic rhinitis.
When faced with such symptoms in a child, nine parents out of ten will say, ‘You’ve got a cold’ (or are about to get whichever type of flu is fashionable that year), and are seen as normal, decent, aware and concerned for the child’s safety. The tenth parent who says, ‘It’s all those chocolate biscuits you ate yesterday at Grandma’s', is often considered eccentric. How can chocolate biscuits cause a cold when everyone knows you catch colds from other people?
What may be happening, especially these days, is that the child is allergic to chocolate. Or if not to chocolate itself then to the honeycomb or the colouring or the flavouring or the emulsifiers or sixteen other things. So out come the antibodies from their foxholes, blazing away, so that the body is under further stress, and in moves a virus looking for a cosy environment in which to settle.
Of course, it might not be chocolate. It might be Grandma’s cat, the budgerigar next door or the painting going on at school. A parent really needs to be a detective to track down the cause.
Although a runny nose can be caused by a virus or germ (and there’s no doubt that both these things love to snuggle down in little children who are below par), it’s just as often caused by allergy. But because it has taken a long time for us to understand the working of allergy, and because allergenic substances multiply every year in our increasingly chemical-ised environment, most parents still plump for the idea that the child has caught a cold or is ‘getting something’.
This seems a logical conclusion if the allergy has caused a nasal discharge, but in some children the discharge goes by the back route and becomes post-nasal drip or phlegm. So some kids simply develop a blocked, snuffy nose which they’re perpetually picking at, or a tendency to snort in an attempt to clear it. Others push and rub their noses so constantly that in time a fine horizontal crease can develop across the fleshy lower end. The chronic snorters get nagged for not learning how to blow their noses properly or, worse, the snorting may be seen as a nervous habit and an indication that the child requires psychological counselling.
Obviously the best treatment for a child with a suspected allergy is to find the culprit and eliminate it. Once you’re out in the wide world there’s a whole new ball-game of potentially allergenic substances waiting to strike, as well as the good old familiar ones you come home to every night.
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