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pH Ranges of Formulations for Different Route of Administration
| Route of administration | pH range |
|---|---|
| Infiltration | 6.4–7.2 |
| Interstitial | 6.4–7.2 |
| Intracatheter | 7.3 |
| Intraglandular | 5.6 |
| Intramuscular | 4.8–8 |
| Intraocular | 6.4–7.2 |
| Intratracheal | 5–6.5 |
| Intravenous | 5–8 |
| Intraventricular | 6.2–6.8 |
| Intravitreal | 3.1–7.2 |
| Ophthalmic | 7–7.4 |
| Oral | 4–4.7 |
| Peribulbar | 6.4–7.2 |
| Respiratory (inhalation) | 6.3 |
| Retrobulbar | 6.4–7.2 |
| Soft tissue | 6.4–7.2 |
| Subcutaneous | 4–9 |
| Topical | 6–8 |
