first dont get puzzle . with your symptom diagnosis is correct . you have vitamin B12 deficiency anaemia
. mouth ulcers are also because of vit b 12 deficiency .
1.you should take multivitamin
capsule contaning vitamin B12 . or B complex . should eat more milk product . if you are non - vegetarian than good to have Shellfish . this is a great source of vitamin B12 and can be eaten raw, baked, steamed, fried, or made into chowder. In addition to vitamin B12 shellfish are a good source of zinc, copper, and iron . cheese and eggs are also good source of vitamin b12.
2. in case of your itchy rashes under arms , keep it dry properly after properly cleaning . if itching is more u can take antihistaminic medication as cetrizine
10 mg morning and evening for 5 days , apply calamine
lotion 2 times / daily .
3. have balanced diet . more consumtion of water and fruits .dont eat spicy food .
4. u can apply zentian violet on on mouth ulcers .
5. if you are suffering from increased flatulence
try to avoid pulses , cabbage .avoid water during the meal .
dr neha jain