Any doctor, dentist, or emergency medical online kjop florinef rask levering care provider who treats you should know that you are taking steroid medication. Canadian residents should call their local poison control center directly. Precautions and Side Effects While generally safe and effective when prescribed by veterinarian, fludrocortisone can cause side effects in some animals. Do not receive live vaccine while you are taking fludrocortisone. For oral dosage forms tablets Adults For adrenal gland deficiency: 50 to 200 micrograms day. Neurological: Convulsions, increased intracranial pressure with papilledema pseudotumor cerebri usually after treatment, vertigo, headache, and severe mental disturbances. Do not receive live vaccine while you are being treated with fludrocortisone.