All Diapers Are Not Created Equally
You might think that you can put any diaper on your child. This is not true. Every child has different tolerances for diaper products. We started out putting Pamper Brand diapers on her. She was fine with this. I decided to be frugal and bought the luvs Brand diapers. Within two diaper changes she broke out in a diaper rash. Later on a family friend who also had recently had a child, gave us some Huggies Brand pampers that her child grew out of. Yet again my daughter broke out in a bad diaper rash.
I would like to point out that this is not an endorsement of Pampers Brand diapers. All diapers are different and all children are different. Depending on your child's skin sensitivity, they might be able to use all brands, one brand or a combination of brands. This will come with trial and error. This is why I would recommend that if you wish to buy diapers in large quantities ahead of time or receive diapers in large quantities during a baby shower, that you keep the receipt until you have tested those brands on your child. This rule of thumb also is necessary for baby wipes as well. It is important to monitor your child's diaper area every time you change them in order to prevent diaper rash and catch any issues in a reasonable time. There is nothing worse than your child having a diaper rash when going to bed and peeing while sleeping. I guarantee you thy will not be sleeping for long and you will not be either.
When determining whether your choice of diapers is the cause of the rash, you need to isolate all other factors. If you changed diaper brand at the same time you changed wipes brand, you might want to either switch the diapers or wipes back to the first brand. If may not be the diapers and simply the wipes that cause the problem. Also, make sure to pay attention to whether you may have changed powder brand as well. A baby's skin is extremely sensitive to changes of any kind, and just about anything can cause the child to break out into a rash.
You should also pay attention to thy types of diapers within a brand. Many diaper companies have different types of diapers that may cause different reactions. You may think that you bought the same exact type of diaper, when it was really a different type of the same brand. Just because your child doesn't break out for the first few days or weeks with a certain brand of diaper, doesn't mean that you are out of the woods. The sensitivities of your child's skin may change over time. It is always important to pay attention to reactions and rashes in order to pinpoint their cause.
You might not want to skimp on quality in exchange for savings. There are big differences in quality between diaper brands. Some diapers work great and are really absorbent. On the other hand, with some brands you might peek into your child's crib one morning to find what looks like a jelly fish that was put through a blender. I used a brand on my daughter in the interest of savings that gave me such a result. The quality of this diaper was horrible. The money that we saved ended up going to the laundry bill. The absorbent gel on the diaper flowed out of the diaper after a heavy urination in the middle of the night. She ended up the entire night sleeping in a gel filled with pee. I was not happy at all.