Consult to Pediatrician physically for further evaluation and treatment

Massaging increases blood circulation,  bonding with giver and keeps skin supple. If u can manage to give its is good but it's not necessary.

Greetings yes it's good to do oil massage as it can help in following ways Ease into healthy, restful sleep Feel calmer with lower levels of stress hormones Relax their muscles, encouraging flexibility in their arms and legs Breathe healthfully and gain good body awareness Digest feed better and experience less constipation Benefit from healthier circulation and stronger immunity to disease Reach a higher stimulation threshold with less skin sensitivity Suffer fewer symptoms of colic, such as irritability and sleeplessness

Yes u can do gently . Body stretching and muscle relaxation

Helps to build tone of muscle Touch sensation