Symptoms of postpartum depression are similar to what happens normally following childbirth. They include difficulty sleeping, appetite changes, excessive fatigue, decreased libido, and frequent mood changes.
If your horse needs a topical medication along with a pain reliever, your veterinarian may have you apply a dimethyl sulfoxide, or DMSO, solution. DMSO is quickly absorbed through the skin and is especially good at relieving swelling, as it pulls moisture from tissues.
She should also be using Panacur (also a horse wormer but there IS a dog version here too). Panacur is virtually the best wormer available for Hookworms. These three wormers used correctly will eliminate almost all parasites in a dog's system.