Baby’s sudden red, swollen and hard feet may be due to bacterial infection, osteomyelitis, dermatitis, frostbite, etc. It is recommended to go to the hospital for examination.
1. Anaphylactic purpura: Anaphylactic purpura can cause swelling of the lower limbs, especially the knee joints, and most babies will have bilateral symmetrical skin purpura.
2. Osteomyelitis: children are more likely to develop in the long bones of the limbs, and it is more serious when it develops to the feet and is accompanied by fever and other symptoms.
3. Dermatitis: such as allergic dermatitis, mosquito bites or dermatitis caused by contact with poisonous insects.
4. Frostbite: common in winter, parents did not give the baby good warm measures, the end of the foot circulation ability to decline, resulting in foot frostbite.
The baby’s body resistance is far less than that of adults, usually should pay more attention to its state, if any symptoms timely medical treatment.