Typical suspension formulations
| Class | Examples |
|---|---|
| Simple suspensions | 0.5–2% cellulose-derived suspending agents (e.g., methylcellulose, hydroxypropyl methylcellulose, hydroxypropyl cellulose, or carboxymethyl cellulose) plus |
| Up to 10% surfactant (e.g., Tween 80, Pluronic F68) | |
| With or without pH adjustment | |
| Milled suspensions | As above with particle size reduction (milling) |
| Nanosuspensions | Surfactant and/or polymer stabilized nanosuspension (e.g., NanoCrystal) |