I'm going to agree with KFoster. I do not think it's ick unless he has developed more white spots.
Just looking at the photos - it could be fungal infection but I am not 100% (I'm more about 50% sure).
BettaMom6720 Please answer these questions (all of these questions)
What size is your tank?
What temperature is your tank?
Does your tank have a filter?
Does your tank have an air stone or other type of aeration?
Is your tank heated?
What tank mates does your betta fish live with?
What type of food do you feed your betta fish?
What BRAND of food do you feed your betta?
How often do you feed your betta fish?
How often do you perform a water change?
What percentage of the water do you change when you perform a water change?
What type of additives do you add to the water when you perform a water change?
Have you tested your water? If so, what are the following parameters?
Symptoms and Treatment
How has your betta fish's appearance changed?
How has your betta fish's behavior changed?
When did you start noticing the symptoms?
Have you started treating your fish? If so, how?
Does your fish have any history of being ill?
How old is your fish (approximately)?
If you could - please post updated photos. Since these photos are from a month ago.
Please post photos that look at the fish from the side (both sides of the fish). Also please take a few looking down at the fish (birds eye view).
If you could answer these quickly then I can be of some help