I believe your gastric problem is like stomach upset
causing diarrhea and pain.
Cifran CT is a antibiotic containing ciprofloxacin
and tinidazole which is usually giver for 5-7 days in case of mild to moderate infectious diarrhea.
Mucus in stool may be indicative of bacterial infections or some other illness like inflammatory bowel disease
It is better to get colonoscopy
done after consulting a gastroenterologist
For the burning sensation and itching may be due to gastritis you may have pantaprazole for it.