The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.
| Level | Code | Title | |
|---|---|---|---|
| 1 | S | Sensory organs | |
| 2 | S01 | Ophthalmologicals | |
| 3 | S01X | Other ophthalmologicals | |
| 4 | S01XA | Other ophthalmologicals | |
| 5 | S01XA28 |
| Active Ingredient | Description | |
|---|---|---|
| Varenicline |
Varenicline binds with high affinity and selectivity at the α4β2 neuronal nicotinic acetylcholine receptors, where it acts as a partial agonist – a compound that has both agonist activity, with lower intrinsic efficacy than nicotine, and antagonist activities in the presence of nicotine. |
