What should I do if my hand is swollen from a hangnail?

If the hand is swollen from the injection, different treatment methods should be taken according to the degree of swelling of the patient: 1.If the patient’s vascular elasticity is poor and the local swelling is caused by fluid leakage during the injection, the patient is advised to change the infusion site as soon as possible, and a small amount of exudate can be absorbed by itself without special medication. 2.If the patient has venous inflammation at the infusion site, causing swelling of the hand, give the patient wet compresses 50% magnesium sulfate or tetrahydroxylate cream to reduce the patient’s local redness, swelling, pain and other symptoms. 3, for patients with obvious local swelling, and accompanied by tension blisters, the tension blisters within the cystic fluid to be pumped clean, while oral antibiotics, local anti-infective topical treatment.