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)
b> Muscle cramps develop when a muscle involuntarily tightens and will not relax, causing sharp, intense pain. ... The main cause of leg cramps is muscle overuse. Other, less common causes of leg cramps include: Dehydration; Muscle strain or injury; Lack of the minerals potassium ... What causes leg cramps at night www.lifescript.com/health/briefs/w/what_causes_leg_cramps_at_night.aspx.