The NHS <nhs.uk/medicines/montelukast/> says:
"It's important to take chewable tablets at least 1 hour before food, or 2 hours after food. This is so the medicine is absorbed into your body properly.
Chewable tablets can be chewed or sucked. You or your child can have a drink of water or squash afterwards."
Can I have herbal tea instead? It helps me sleep!
Thanks