The KRT18P62 gene, designated as a pseudogene, belongs to the keratin gene family, which is known for its critical role in the structure and function of epithelial cells. Here’s a detailed overview addressing your specific requests:

### General Information
- **Gene Symbol**: KRT18P62
- **Gene Type**: Pseudogene (non-coding)
- **Location**: KRT18P62 is located on chromosome 17.

### 1. Associated Genes
While KRT18P62 itself is categorized as a pseudogene, it is part of a larger family of keratin genes, particularly type I keratins. Other keratin genes that might be associated in terms of functional pathways include:
- **KRT18 (Keratin 18)**: A functional counterpart in the keratin family that is known to be expressed in simple epithelial tissues.
- **KRT8 (Keratin 8)**: Often co-expressed with KRT18 and plays a significant role in the cytoskeletal organization of epithelial cells.

### 2. Aging and Age-Related Diseases
As KRT18P62 is a pseudogene and has limited functional implications, specific associations with aging or age-related diseases are not extensively documented. However, its associated keratin family, particularly KRT18 and KRT8, has been implicated in various processes:
- As an intermediate filament protein, keratin 18 (KRT18) has been studied in the context of cellular stress response and has been noted in research related to:
  - Liver degeneration and other age-related epithelial dysfunctions.
  - Certain forms of cancer (i.e., as a marker of epithelial-mesenchymal transition).

### 3. Drug Interactions
Currently, there are no known specific drugs or drug classes directly interacting with the KRT18P62 pseudogene. However, keratins like KRT18 are sometimes utilized as biomarkers in diseases for which therapeutic interventions could exist (i.e., cancer therapeutics). These interactions are generally indirect, relating to the proteins encoded by functional keratin genes. 

### 4. Pathways and Biological Processes
KRT18P62 does not have direct pathways associated due to its pseudogenomic nature. However, keratin genes, including those in the KRT18 family, are involved in:
- **Cellular Structural Integrity**: Contributing to the mechanical strength and elasticity of epithelial cells.
- **Epithelial Cell Differentiation**: Providing vital support during cellular differentiation and function.
- **Response to Stress**: Keratin 18 is linked to processes involving response to apoptosis and cytotoxic stress, potentially relevant in aging and age-related pathologies.

### Summary
While KRT18P62 itself is a pseudogene with limited functionality, it resides within a critical biological context associated with the keratin family that is essential for the structural integrity of epithelial tissues. Its relatives like KRT18 have implications in aging and some diseases but KRT18P62 does not show a direct relationship with treatments or drug interactions. Further research may elucidate more about the roles of various keratin genes in health and disease.