My DS was a bad reflux baby too, and solids at 4.5 months was a godsend. I didn't want to do it as with my DD we were told strictly no solids before 6 months, then apparently they changed it to 4 months! The poor little man was starving all the time, and waking constantly but hated drinking milk because he was so used to throwing it up so just snack fed ALL THE TIME. He is still not really into milk at almost 12 months and far prefers solids.

We started on rice cereal for maybe one day (just as a safe option to see how he went, we already knew after trial and error he wasn't allergic to milk or wheat/grains), then went straight to pureed vegies. BLW was too hard initially because he was too little and also had a very strong gag reflex so threw up food if it was too chunky for him. But within a few weeks he was chowing (or gumming really) down on steamed broccoli with the best of them.

Good Luck and I hope you have the same experience as we did