That is correct, Dr. Reddy's Laboratories list it as containing 150mgs of Ranitidine, which is a generic for Zantac. It is is used to treat, or prevent conditions, such as heartburn, ulcers, and gastritis.
The FDA lists its typical side effects as possibly including nausea, flatulence, stomach pain, and diarrhea. NDC code: 55111-404
It is available over the counter and by prescription.