I have this medicine and I absolutely love it. I use it on both my 7 and 3 year old and it works wonders. It takes less than 30 minutes to take effect and my children start feeling better soon after. It is recommended to give every 4 hours but I like to overlap the last 30 minutes so that I can ensure that they have continuous coverage. I honestly can not remember how much this product is but I buy it often. It is one of those products that I buy because I know it works no matter the price. I have never used Advil before until purchasing this product and to be honest it was bought because it was one of very few options available the day I needed to buy it. I will say I am thoroughly glad that this was one of the only options that day because I couldn't ask for a better fever reducer. It is effective and works much faster than anything I have tried before. If you haven't tried this yet I highly recommend it. It is a great product. Do not be afraid to try something new.