You’ve to continue another one months of anti tuberculosis drugs along with rest of you medication, which is probable cause of your gastric problems.
Next Steps
Take your Anti-Tuberculosis DOTS medication empty stomach along with strong antacids.
Rest can be taken same as you are taking.
Health Tips
Aggressive weight loss.( as you stated 41 yrs and 141 kgs wt )
Diet control.
Consult a bariatric surgeon later in future after you six months anti TB drugs.