Do you do any mobility or activation work?
I am a big advocate of mobility and stabilization work- its never too early to incorporate
10 minutes into your training that can change everything and make you move better.
I get the most from simple things added to my training as a warm up.
it takes 10 minutes.
hanging leg raises feet to bar gives a great stretch to low back and mid back and lats.
back raises sends blood to low back to prime it for heavier work
cat camels - spinal flossing - google it.
cycle thru those for 5 to 10 minutes or 3 or sets of 10+ reps.
Git and Alexus offered some good advice-
dont stop deadlifting,
try other variants.
you could deload the spine with some trap bar deadlifts for a cycle or two
Clean or snatch grip pulls are great for hip explosion and for speed off the floor.
If it really is an issue see a Dr.