Hi, surely will help you. See, there are many reason of not gaining weight. . Endrocrine problems . IBS . Dietary problem . Liver problem . Tuberculosis . Vitamin and minerals deficiencies . GI (Digestive)problem . Improper sleep . Stress And many more HOW WE TREAT Underweight thru DIET . Find the main cause and Deficiency which cause hidderence in weight  gain . TREAT the cause first. . Reduce the Deficiencies occurring in the body thru diet . And at last you will easily gain weight without much efforts. So, better to consult through the link below,so that  we can discuss in detail and suggest you accordingly.

Ask me directly for customized diet plan for you

Follow high protein diet and balanced nutrition and do exercises daily don't miss single day and contact me on practo direct consultation

Hi dear. Your BMI has come out to be 17.9kg/m2 whereas the normal range is 18-22.9. So definitely you're slightly underweight. Regarding your concern for skin, follow these basic tips. - Drink lots of water - Atleast 300gms of fruit daily (vary the fruit everyday) - If you take eggs, dont skip the yolk - Cut back on breads, biscuits, cookies, rusk, maida etc. Rest you can book an online appointment through practo for detailed customised counselling.