Here is a list of non dairy foods that are high in calcium
Black Beans1 cup, 120 mg calcium
Navy Beans 1 cup, 130 mg calcium
Fortified Cereal 1 cup, 300 mg calcium
Soybeans, cooked 1 cup, 180 mg calcium
Spinach, cooked 1/2 cup, 130 mg calcium
Bok Choy 1/2 cup, 80 mg calcium
Kale, cooked 1/2 cup, 90 mg calcium
Corn Tortilla 1, 6 inch, 50 mg calcium
Greens, mustard 1/2 cup, 100 mg calcium
Fortified Orange Juice 1 cup, 300 mg calcium
Canned Salmon w/bones 3 oz, 180 mg
Fortified Cereal 1 cup, 300 mg
Waffle, fortified 1, 150 mg
Soy milk, fortified 1 cup, 400 mg
Greens, mustard 1/2 cup, 100 mg
Tofu 1 cup, 40 mg
Almonds 2 oz., 150 mg
Oysters 3 oz., 80 mg
It sounds like your lo has a dairy allergy. If I were you I would be careful about keep trying it as the reactions could become more severe. Ther are obviously things on the list that will not be suitable for your child yet but others will be.