You do not have covid based on these symptoms.
It's indigestion(dyspepsia)
Tab simethicone 125 mg twice for gas.
Tab pantop 40 mg once a day for acidity.
Diet: liquids: juice ,coconut water and ORS.
Allow bowels to rest till gas is cleared.
Avoid milk (in tea)
It may take 24 - 48 hrs to feel relieved.
Next Steps
bowel constipation is due to low fibre content of diet.
once acute complaints resolve, increase fibre content ( green vegetable and raw fruits) in diet.