Erzol 20mg Tablet contains Rabeprazole, a proton pump inhibitor (PPI) indicated for the treatment of gastroesophageal reflux disease (GERD), erosive esophagitis, Zollinger-Ellison syndrome, and other conditions involving excessive gastric acid secretion. Rabeprazole acts by selectively inhibiting the H+/K+ ATPase enzyme system at the secretory surface of gastric parietal cells, thereby suppressing the final step in gastric acid production. This results in a significant reduction in gastric acidity, promoting healing of acid-related lesions and alleviating symptoms such as heartburn and acid regurgitation. Erzol 20mg is typically administered once daily, preferably before meals, and the dosage may be adjusted based on the severity of the condition and patient response. The medication is generally well tolerated; however, potential adverse effects include headache, diarrhea, nausea, abdominal pain, and, rarely, hypersensitivity reactions. Long-term use should be monitored due to possible risks such as vitamin B12 deficiency, hypomagnesemia, and increased susceptibility to gastrointestinal infections. Erzol 20mg should be used with caution in patients with hepatic impairment and is contraindicated in individuals with known hypersensitivity to Rabeprazole or other PPIs. Consultation with a healthcare professional is recommended prior to initiating therapy to ensure appropriate use and to monitor therapeutic outcomes.