Why do we need to classify drugs in different ways ?

Explanation

### Step-by-Step Solution:

1. **Understanding the Need for Classification**:
- Drugs need to be classified to understand their specific effects and how they interact with various microorganisms that cause diseases. This classification helps in identifying which drugs are effective against which pathogens.

2. **Different Types of Classifications**:
- **Pharmacological Effect**: Drugs can be classified based on their pharmacological effects, meaning how they affect the body and what therapeutic effects they produce.
- **Action on Biochemical Processes**: Another classification is based on how drugs act on specific biochemical processes within the body, which can help in understanding their mechanism of action.
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