| Nominative | alergolog |
| Genitive | alergologa |
| Dative | alergologowi |
| Accusative | alergologa |
| Instrumental | alergologiem |
| Locative | alergologu |
| Vocative | alergologu |
| Nominative | alergolodzy; alergologowie |
| Genitive | alergologów |
| Dative | alergologom |
| Accusative | alergologów |
| Instrumental | alergologami |
| Locative | alergologach |
| Vocative | alergolodzy; alergologowie |