Warfarin is often referred to as a "blood thinner," but this is a misnomer because warfarin (and other coagulation modifiers) do not actually "thin" the blood. For example, when you cut yourself, there is a series of clotting factors found in your blood that help to form a clot to stop the bleeding.
Lasix (furosemide) is a loop diuretic (water pill) that prevents your body from absorbing too much salt. This allows the salt to instead be passed in your urine. Lasix is used to treat fluid retention in people with congestive heart failure, liver disease, or a kidney disorder such as nephrotic syndrome.
Lithium (Lithobid) is used for the treatment of manic/depressive (bipolar) and depressive disorders. Lithium interferes with the synthesis and reuptake of chemical messengers by which nerves communicate with each other (neurotransmitters).
Methotrexate (Rheumatrex, Trexall, Otrexup, Rasuvo) Methotrexate is one of the most effective and commonly used medications in the treatment of rheumatoid arthritis and other forms of inflammatory arthritis, and also may be used to treat lupus, inflammatory myositis, vasculitis, and some forms of childhood arthritis.
This list is not complete and many other drugs can interact with prednisone. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Give a list of all your medicines to any healthcare provider who treats you.