Welcome to HCM
Treatment started today it will take some time to have effect, if she can not swallow a tab of analgesic
it can be given in the form of syrup, along with this chlorhexidine
gargles and hot saline gargles can give some relief.
Reassure her she will improve in few days,take medicines as advised to you.
If pain is intolerable a intramuscular analgesic may be given in consultation with your treating physician.
Good luck to her