Some warnings and precautions to be aware of with levofloxacin include the following: 1  Levofloxacin can cause severe allergic reactions. 2  Seek immediate medical attention if you develop any signs of an allergic reaction, such as a rash or hives, itching, swelling of the lips or throat, wheezing, or difficulty breathing.
How your monthly interest charge is calculated. Interest charges are calculated on a monthly basis. Since months vary in length, most credit card issuers use a Daily Periodic Rate (DPR) to calculate interest charges. The DPR is calculated by dividing the APR by 365.ow your monthly interest charge is calculated. Interest charges are calculated on a monthly basis. Since months vary in length, most credit card issuers use a Daily Periodic Rate (DPR) to calculate interest charges. The DPR is calculated by dividing the APR by 365.
Your APR, or annual percentage rate, is the yearly interest rate you will pay if you carry a balance on your credit card. This also applies if you transfer your balance from another card or take out a cash advance. One credit card may have a few different APRs.our APR can change over time. If you have a fixed rate. APR, it will change less frequently, and the credit card company must notify you before it increases. If you have a variable rate credit card, the APR will change from time to time, usually depending on the prime rate or the Treasury Bill rate.