constipated 7 month old

Try some children's probiotics. All they are is the bacteria that is already in your bowels, just in a pill or liquid form. When those good bacteria get low (they can get low due to certain foods or by taking antibiotics) it can often cause constipation. You could go to your local health store and see if they have any and give them a try. I took probiotics all throughout our pregnancy and our son is a poop machine! LOL! I hope his colon stays that good.

KARO SYRUP IN A BOTTLE OF MILK(NOT SURE IF YOU PUMP OR NOT) OR OATMEAL HELPS TRY PRUNES, PLUMS, APRICOTS THEY HAVE THAT IN BABY FOOD THAT SHOULD HELP HOPE I WAS HELPFUL

This is a probiotic, great stuff,  it worked wonders for my son. 

You could add about an ounce or two of prune juice to some milk and that should do the trick.

my son was constipated all the time, and believe it or not if you warm up the formula or breast milk and place a tsp of brown sugar and shake it well it will help him alot. it may take about 3 bottles  with is in it  before he goes.  good luck pm me if u have more questions about it.

Talk to you doctor because most will not consider a baby constipated unless they are pooping balls out.  Some babies just dont poop for a few days.  I have a friend who's daughter would go 5 days before pooping and then just pooped everything at once!