I owned a head shaker and his shaking always peaked aroung this time and the nosenet helped very much. But i think his nostril does look swollen and a bit pink? Would be interesting to hear what the vet said.
Good luck with this!
I had a horse vetted and the vet diagnosed an irregular heartbeat at rest with intermittent heart block and reduced interval - reverts to normal rhythm after exercise. Also, grade 1/5 systolic heart murmur. The vet thinks the horse suitable for eventing but says there is a 1/10 chance of future...