Patients should stop taking methadone and contact a doctor or emergency services right away if they: 1  Experience difficulty breathing or shallow breathing. 2  Feel lightheaded or faint. 3  Experience hives or a rash; swelling of the face, lips, tongue, or throat.  Feel chest 1  pain. Experience a fast or pounding heartbeat.
It makes sense. The card with the highest interest rate is usually the one that will cause you the most financial pain. The national average interest rate on a credit card is 15.2 percent, so if you bought a $1,000 refrigerator with a credit card, you'd pay a lot in interest if you took your time paying it off.
A credit cardâs interest rate is the price you pay for borrowing money. For credit cards, the interest rates are typically stated as a yearly rate, called the annual percentage rate (APR). On most cards, you can avoid paying interest on purchases if you pay your balance in full each month.or credit cards, the interest rates are typically stated as a yearly rate, called the annual percentage rate (APR). On most cards, you can avoid paying interest on purchases if you pay your balance in full each month.