It appears that a UTI might be the problem you’re having. UTIs sometimes lead to cramps in the stomach along with pain in the back or a sudden sharp pain in the lower abdomen when you urinate. These occur because bacteria have entered your urethra. You should drink plenty of water and take antibiotics. To avoid getting more UTIs, make sure to urinate after sex and keep good hygiene.

Sorbiline syrup can be of help in cases of digestive troubles and acidity. The product includes natural extracts from the liver for better digestion. Although it is usually safe to take with your current medications, it is still a good idea to check with your doctor first to avoid any interactions. You should strictly adhere to Sorbiline syrup's recommended dosage.

You could be suffering acid reflux which is the actual reason for a painful chest. Zerodol has the potential to occasionally cause stomach inflammation, which might have been the cause of your chest conditions. In this regard, try to eat smaller meals, avoid hot, spicy foods, and remain standing for some time after your meal. You might also consider talking to a pharmacist for advice on which over-the-counter medications are best for acid reflux.

You might have a stomach bug. Fe­eling nauseous, abdominal pain, low blood pressure­, night chills, fatigue, or lack of appetite indicate­ this. A virus likely causes it. Rest, stay hydrate­d, eat plain foods like toast or crackers to se­ttle your stomach. If no improvement in a fe­w days, seek medical he­lp. 

Consult with a doctor if your still experiencing pain radiating down to your leg and feel pressure on your back. And as per your history of Hpylori the pain could be related to that..

Okay you can try a few remedies to find relief. Drink warm liquids like herbal teas or warm water with lemon to relax the stomach muscles. Avoid carbonated drinks and chewing gum as they can contribute to gas production.