What restriction applies to administering the Brown & Burk UK Ltd caffeine citrate 20 mg/ml solution for infusion and oral solution product alongside other medicines in the same intravenous line?

The Brown & Burk UK Ltd caffeine citrate 20 mg/ml solution for infusion and oral solution product must not be mixed or concomitantly administered in the same intravenous line with other medicinal products except those mentioned in section 6.6 of its SmPC.