Honey baths work well. I do them about every 2 weeks just to keep mine 'regular'. After a nice honey bath, rinse out his bowl and give him a regular bath. They'll usually go either soon after or within the next 24 hours. I wouldn't woody unless he doesn't eat for a few days and/or he gets a bulge on the right side of his belly. This would mean he is constipated, which can lead to impaction. You can also trickle a small stream of warm water over his behind. It will make him pee and he will contract his muscles, which may help him push the feces down. Your frog should be soft and squooshy

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The earth worms and night crawlers are very easy for them to digest. Cut them to a small size. They tend to make them go also.
So, what does your baby look like?