From your history, it seems to be Gastroesophageal reflux disorder resulting in laryngopharyngitis..
Next Steps
Examination by ENT specialist can confirm the diagnosis
Health Tips
Take antireflux medication empty stomach.. Some hematonic for anaemia which should be taken with lemon water/ Orange juice.. Eat atleast 1 hr before going to bed.. Slightly increase your head level height of bed while sleeping.. Stomacare local application for mouth ulcers.. drink lots of warm water, take adequate rest