Warm feet head and palm. Required.

Hi doctors My baby has completed 13 months His birth weight is 2.9 kg current weight is 10.2 kg. My baby palm feet and head always remain hot even temperature measured is 97-98 . And his weight is not gaining . or I think it is reduced up to 500gm compare to last month. I have noticed from past 7-8 days he irritates very fast in few minutes. Cry and don't eat food or even sometimes refuse water to drink and drooling too much and mess his teeth upper and lower front two feet with anger. So why is becoming obstinate due to lack of any vitamins or minerals or stomach warm. His face looks like lazy face. But play and active most in evening and night. Please suggest medicine for stomach warm I feel and iron deficiency drop. Hamesha neend me khoya hua lagta h.and keep itching his eyes nose and ear most of time in day. Now basis of this info give your advice or medicine required.