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I don't have children, but I do have asthma, as well as neonatal/pediatric Respiratory Therapy training.
In patients who are less than twelve years old, there is a significantly smaller number of medications available to treat asthma. This is because many drugs used to treat adult (over 12 years old) asthmatics have not been tested as safe for babies. Another problem is that babies can't co-ordinate their breathing in the specific ways to use some of the drug delivery devices.
Bronchodilators, the drugs that are used to treat an asthma attack and sometimes to prevent further asthma attacks, are drugs that relax the muscles of the airways. Typically, Albuterol or Salbutamol (same drug, different name depending on where you live) is given via a nebulizer with a portable air compressor running it. Albuterol lasts for 4 to 6 hours and you may have to give it every 6 hours all day, every day to keep his asthma under control. If your baby has asthma that's alright mostly, Albuterol can be prescribed for as needed use. If Albuterol isn't strong enough or your son has side effects from it (shakiness, increased heart rate), then Xopenex might work better. Xopenex is much stronger than Albuterol, although it costs about 5 times more. It has fewer and less severe side effects. Xopenex can last from 6 to 8 hours, so fewer treatments in a day, if it is needed to cover him constantly.
Pulmicort is an inhaled steroid that is given via a nebulizer and portable air compressor. It is used when someone needs more than two treatments of Albuterol a week to have control of their asthma. Pulmicort would be taken once or twice daily at similar times each day. It works by reducing inflammation in the lungs and helps bronchodilators work more effectively. If your son were on Pulmicort and Albuterol or Xopenex at the same time, it would be best to give the bronchodilator first. This makes it so the inhaled steroid goes into lungs that are opened-up nicely, making it more effective.
In addition, Atrovent might be prescribed to help further bronchodilate his lungs. It is weaker and works in a different way, as compared to Albuterol or Xopenex, but can be very helpful. It would usually be given with the Albuterol or Xopenex. This can lead to long treatments, so it's important to be patient.
Singulair, a drug available in granule form for patients under 4 years old, can help block the release of inflammatory substances in your son's body before they get the chance to cause an asthma attack. It is not a steroid and you would just mix the granules into his food to administer it to him. Singulair would be given once daily.
Drug doses for people under 12 years of age should be determined by a doctor and administered in accordance to those guidelines. Infant doses are often significantly smaller than adult doses of the same drug, although they might be the same, depending on the patient.
That's what I can think of to treat a baby with asthma. There may be more options, but they would not be commonly used. The big problem with pediatric asthma is how often medications have to be given. If you are using a home portable air compressor, a nebulizer treatment might take a half hour each. If you are doing Albuterol, Atrovent, and Pulmicort, it could take a very long time. Then, you would have a few treatment in the day of just bronchodilators, which would likely take a half hour each. In the end, your baby would likely have a nebulizer on for an hour or two a day. Sometimes doctors prescribe metered dose inhalers (MDIs) - the ubiquitous asthma inhaler, for use on pediatric patients. If used with a spacer, a device that holds the aerosol and for a baby, a face mask which your baby would breathe through for the treatment, treatments could be much faster, although may be less effective. Nebulizers are less convenient, but more likely to give your son an effective amount of medication even if you throw it on him while is his sleeping.
I hope that helped. If your son is on Xopenex, Atrovent, Pulmicort, and Singulair, then he is pretty much maxed-out for a baby. Then, your son's doctor might consider undesirable treatments like Prednisone pills (bad, bad, bad!).
Source(s):
I'm a Respiratory Therapist.