Phenaramine is used as antihistamine/antifertility drug.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Classification of Drugs:**
- Drugs can be classified based on their functions. Two common classifications are antihistamines and antifertility drugs.
- Antihistamines are used to treat allergic reactions by blocking the action of histamine, a substance in the body that causes allergic symptoms.
- Antifertility drugs are used to prevent pregnancy.

2. **Identifying the Function of Pheneramine:**
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