acetyl salicylic acid, analgesic, antipyretic, antibiotics, relieve or decerease pain, antacid, 2-acetoxybenzoic acid, preservatives, synthetic detergent, aspartame, chloroxylenol, a-terpineol, wide spectrum
Cimetidine is an................. .

Explanation

**Step-by-Step Solution:**

1. **Understanding Cimetidine**: Cimetidine is a medication that is primarily used to treat conditions related to excess stomach acid. It belongs to a class of drugs known as H2-receptor antagonists.

2. **Function of Cimetidine**: The main function of cimetidine is to reduce the amount of acid produced by the stomach. This makes it effective in treating conditions such as gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome.

3. **Classification**: Based on its function, cimetidine can be classified as an antacid. However, it is more accurately described as an H2 blocker or H2 antagonist, which specifically inhibits histamine action at the H2 receptors in the stomach lining, leading to decreased acid secretion.

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