Will the formulation pass down the tube without causing a blockage?

Some liquid formulations (including those with oil bases) are known to block tubes. For example lanzoprazole suspension is too viscous to administer via an enteral tube. However, if pharmaceutically appropriate, thick or viscous liquids may be diluted with water before their administration to aid their passage through the tube. Advice should be sought from the manufacturer to establish this and, if appropriate, the instructions for doing so.