Should I need a wedge to tilt the head of the bassinet for reflux?

No, it does not necessarily require a wedge. It is designed in such a way that you don't need any assistance, support of pillows or wedges to raise the head of the bassinet.

What are the features that you should consider while getting a bassinet for reflux?

You should consider the following features in a bassinet for reflux ● Construction of the bassinet ● Type of material ● Portability ● Safety and comfort ● Price of the bassinet

How does the bassinet for reflux relieve the symptoms of reflux?

The bassinet for reflux has an option to raise the head of the bassinet. So, raising the head of the bassinet can relieve the symptoms of the bassinet. In essence, the inclined baby bed raises the baby's head and lowers the feet to avoid the baby's reflux.