Milk of magnesia consists of Magnesium hydroxide.
Antacid is a substance which neutralizes stomach acidity and used to relieve heatburn, indigestion. So, we use bases like Magnesium hydroxide or Sodium Carbonate.
To neutralize stomach acids antacids type of drug are used. This tablet contain substances such as calcium, sodium bicarbonate, and magnesium, which act as base in the stomach.
Antacids can be used to treat a variety of symptoms caused by too much stomach acid, including:
Regurgitation
Bitter taste
Persistent dry cough
Pain while lying down
Difficulty in swallowing.
Heartburn is a burning sensation in your chest or throat caused by acid reflux.
Abdominal pain (also known as the sour stomach)
Nausea can be caused by a variety of illnesses which includes inflammation or acid-peptic ulcers of the oesophagus, gastritis and etc.