Hi there ~
I understand your concerns. While smoking
cannabis can have a variety of side effects, having the weird feeling in your throat may be one of them. Heartburn
are common in conditions like this and you might be as well seeing an otorhinolaryngologist (ENT) physician who can help examine and see if it is any more serious than just the side effect of cannabis and initiate treatment if so. I hope this helps.
Take care and have a lovely day!