Thanks for the query to H.C.M Forum.
Concomitantly two problems are there.
Tension is the main reason of burping. nausea, vomiting, bloating, gerd,indigestion
Hyer acidity causes gastritis
, and all above mentioned symptoms are due to gastritis.
Overeating, fatty food, excessive protein diet, coffee or tea ( excess), junk food , hectic hurried life , tension all are responsible for stomach disease
As far as concerned about urticaria
, we want to know the reports of stool , eiosinophils count, C B C, E S R .
Mostly urticaria may be due to some sort of allergy or worm infestation .
Consult a physician and get his opinion.
Reports of L F T and lipid profile