Did his doctor show you how to properly administer the inhaler to him? Once you learn how to use an inhaler, it's pretty easy. You should be able to tell that he inhaled the medicine when his wheezing subsides. I know when my daughter was that young, we used a nebulizer it was easier to administer t...

I use a rescue inhaler when I need immediate relief. I believe it contains ventolin. You should talk with your doctor about rescue inhalers and preventive asthma medicines.