Hello There. I can understand your concern. this condition is common on people who are overweight, bear lot of weights, stand for long durations, have flat foot etc. the symptoms include sharp pain. usually it resolves within 6 months of conservative treatment. 1. she needs special type of slippers which you can get at an orthopedic store. 2. rest 3. apply ice pack over the area. 4. pain killers like Ibuprofen twice a day after food. 5. certain exercises like strengthening the calf muscles, stretching the achilles tendon etc. consult a orthopedician for further help. best regards, Dr. Anil kumar jain