Brief Answer:
She needs Antibiotic and anti inflammatory medicines.
Detailed Answer:
Hi
If the Cut is visible on the Thumb , cleaning and dressing of the wound should be done.It should not be left open.
To prevent infection, Antibiotic tablet has to be taken.I prefer Tablet Cefpodoxime 200mg twice daily for 5 days.As there is swelling, I prescribe Anti inflammatory tablet too.
Nothing to worry.It will come down.
Hope I answered your query.If you have any questions, I will clarify further.
Wish her good health and speedy recovery.
Regards