Thanks for writing to us.
The pain in the lower back is likely to be due to the stress
of traveling on a horseback. The feeling of dizziness
could be due to change in the environment, motion sickness
due to cervical spondylottic changes. You can get appropriate medicines from your physician.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal