**
1. since history if trauma/
injury is there thus other causes [
fungal infection, chemical, skin condition] can be safely excluded.
2. if nail is broken from cuticle it will not reattach, you have to remove or trim it, and will take 6-10 months to re grow, since bruising is there thus home treatment often helps relieve pain, promote healing, and prevent infection.
. keep the area dry to prevent infection, Reapply an antibiotic ointment, and cover with a fresh adhesive bandage, watch for signs of infection such as increasing heat,
redness, pain, tenderness, swelling, or pus and consult a doctor immediately
. increase intake of
biotin and use an application of moisturizer.
PS. Biotin is helpful in making nails somewhat strong and thick: apart from biotin supplement you can also take natural source of biotin like: boiled eggs, cauliflower, avocado, whole grains.