Don't be scared.Its not rare thing.Mny kids face dis.bt gets fine with treatment in time.it needs to b controlled sodat it does not spread other parts causing discomfort to d child

Hi apply cetaphil moisturizer to keep hydrated

Try to keep his nails short. Cut them daily. Make him wear mittens or gloves. Also, attempt to keep his fingers busy with various activities. When you do catch him biting his nails avoid shouting or making him feel bad. Try to explain to him why such behaviour is not good for him and his overall health. Show him how other children do not do the same.

Better consult once with your Dr,can't tell what exactly it is...

And your baby is too small...
Don't self medicate...

Hi use mamaearth shampoo

Hi it's due to colic pain hold baby vertically after every feed and position properly to the breast so as to avoid air ingestion while feeding which is the most imp cause of colic pain and gases and fuzziness

Apply Mama eearth onion hair mask and then wash with onion shampoo. It really works. Promotes hair growth. No added chemicals 100%gentle care.

Hi, kids do generally repeat things you need to have more conversations with your kids and ask other family members to get involved too and try introducing different kids to your child too before you ask them to play. Start things on a positive note to make your kid more comfortable. It is just a phase usually. If your little one has cousins of same age then make sure you have play dates with them at your home this will surely help.

Hi apply rash free ointment on the rashes and keep the area diaper free for few hours in a day and keep the area dry and clean as possible

Ear can be quite sensitive in adults too so I suggest not to treat this at home and take your little one to doc immediately. Do not use earbuds or anything as it can worsen the pain