Viscid Suspension is an antacid. It is used to relieve symptoms like indigestion, heartburn, stomach pain and gas. Viscid contains a combination of aluminium hydroxide, magnesium hydroxide and simethicone. This gel works by neutralising the acid present in the stomach and relieving pain due to ulcers. Viscid should be taken as suggested by the doctor or pharmacist. Shake the bottle of Viscid well before each use.