"Wei Xian-U" double-layer tablets, the outer layer contains a strong antacid, which dissolves quickly after taking it, which will neutralize excess gastric acid and protect the gastric membrane. Notes Patients with renal insufficiency, pregnant women and breastfeeding women should be under the guidance of a physician. Do not use white desiccant by accident Storage method Store in a cool and dry place. Avoid direct sunlight. Advantages Hyperacidity, indigestion, stomachache, heartburn, loss of appetite, chest tightness