What HH bonds earn. Series HH bonds pay a fixed rate of interest from the date you purchased the bonds. The present rate is 1.5 percent and has been in effect since January 1, 2003. This rate is locked in for twenty years after purchase, after which Series HH bonds will stop paying interest.hat HH bonds earn. Series HH bonds pay a fixed rate of interest from the date you purchased the bonds. The present rate is 1.5 percent and has been in effect since January 1, 2003. This rate is locked in for twenty years after purchase, after which Series HH bonds will stop paying interest.
It can be due to a cramp, injury, or other cause. Leg pain can be due to a muscle cramp (also called a charley horse). Common causes of cramps include: 1  Dehydration or low amounts of potassium, sodium, calcium, or magnesium in the blood.  Medicines (such as diuretics and statins)
Leg cramps are common. The cause is not known in most cases. However, some medications and diseases sometimes cause leg cramps. Regular calf stretching exercises may prevent leg cramps. Quinine tablets may be advised as a last resort if you have cramps regularly. A leg cramp is a pain that comes from a leg muscle. It is due to a muscle spasm, which is when a muscle contracts too hard. It usually occurs in a calf muscle, below and behind a knee. The small muscles of the feet are sometimes affected.