Hello,
Since the pain is worsening instead of improving, it could mean there is an
injury, ulcer, or infection developing. Take semi liquid or liquid food. Do not take solid, spicy, hot food as it will trigger the irritation. As it hurts even to swallow saliva suggests more than a minor abrasion, scratch or swelling.
If the pill sat too long, it could cause a sore/ulcer. if swelling or scarring is happening, it can make swallowing harder (esophageal stricture). Get clinically examined by an ENT, for a thorough examination of your throat and
esophagus at the earliest. If your guardian refuses, consider explaining that this could lead to serious complications if symptoms worsen.
Take care. Hope I have answered your question. Let me know if I can assist you further.
Regards,
Dr Nupur K., General & Family Physician