  We present a comprehensive study of hydrodynamic theories for superfluids
with dipole symmetry. Taking diffusion as an example, we systematically
construct a hydrodynamic framework that incorporates an intrinsic dipole degree
of freedom in analogy to spin density in micropolar (spinful) fluids.
Subsequently, we study a dipole condensed phase and propose a model that
captures the spontaneous breaking of the $U(1)$ charge. The theory explains the
role of the inverse Higgs constraint for this class of theories, and naturally
generates the gapless field. Next, we introduce finite temperature theory using
the Hamiltonian formalism and study the hydrodynamics of ideal fracton
superfluids. Finally, we postulate a derivative counting scheme and incorporate
dissipative effects using the method of irreversible thermodynamics. We verify
the consistency of the dispersion relations and argue that our counting is
systematic.
