Hynoll Injection is a medication used to treat pain from smooth muscle spasms, stomach, intestine, bladder, and ureter cramps. It also helps relieve symptoms of irritable bowel syndrome. It is typically administered by a doctor or nurse and should be continued as recommended. Common side effects include blurred vision, increased heart rate, dry mouth, and pupil dilatation. It may cause diarrhea, dizziness, and sleepiness, so it's important to consult a doctor. Pregnant women should consult their doctor before use.