Overview of Stoma
| Property | Description |
|---|---|
| Active Ingredient | Aluminum Hydroxide, Magnesium Hydroxide |
| Form | Oral Suspension, Chewable Tablet |
| Pharmacological Class | Antacid (Aluminum and Magnesium containing) |
| Common Use | Relief of Hyperacidity, Heartburn |
| Origin | Synthetic/Inorganic compounds |
Stoma is an over-the-counter (OTC) combination medicine primarily classified as an antacid, utilized to provide prompt relief from symptoms associated with gastric hyperacidity. The preparation is a fixed-dose combination containing two main active ingredients: Aluminum Hydroxide and Magnesium Hydroxide. This dual composition is essential to the drug's identity, ensuring that its core function—the neutralization of stomach acid—is achieved effectively, a property of these antacid agents.
1. Stoma: Defining the Combination Antacid
Stoma is defined as an antacid that belongs to the aluminum and magnesium containing antacids group, functioning as a locally acting agent in the gastrointestinal tract. Unlike medications that inhibit acid production, this drug works via a direct chemical reaction to buffer stomach acid, offering rapid symptomatic relief from conditions like heartburn and acid indigestion. These compounds are commonly utilized as a first-line option for the immediate relief of heartburn. This means the medication can quickly ease the burning sensation caused by excess acid, such as during episodes of indigestion following a large meal.
2. The Role of Aluminum Hydroxide and Magnesium Hydroxide
The active ingredients are synthetic/inorganic compounds known as hydroxides. These compounds function as bases to directly consume the excess hydrochloric acid in the stomach, leading to gastric acid neutralization and a beneficial increase in the pH level. This immediate buffering action rapidly alleviates discomfort, and the elevated pH simultaneously inhibits the activity of the digestive enzyme pepsin. The deliberate choice to combine the two hydroxides is based on mitigating their individual side effects: the inclusion of Magnesium Hydroxide serves to counteract the tendency of Aluminum Hydroxide to potentially cause constipation. This pairing balances the individual agents' effects on bowel function.
3. Available Forms: Oral Suspension and Tablet
This antacid combination is available for the oral route of administration in common dosage forms such as an oral suspension (liquid) and a chewable tablet. Both forms are designed to efficiently deliver the active ingredients directly to the stomach. The liquid suspension utilizes an aqueous vehicle and generally allows for the fastest onset of antacid action, while the chewable tablet provides a convenient solid form bound by an excipient base.

