Some treatments for hand and foot psoriasis are:
Your doctor may also recommend you use super glue to seal cracks in your palms and soles. Make sure you don’t have an allergy to the glue before trying it.
Keep your skin moisturized with lotion and drink plenty of water. When it's dry, it cracks more easily, which can lead to more blisters. Skin that’s hydrated can also take in topical treatment better and heal faster.
Medicines that go on your skin
Prescription drugs in liquid or pill form
Special light therapy units for palms and soles
Biologic drugs that you get through an IV