Normal Levels. Blood sodium levels are measured in terms of millequivalents per liter or (mEq/L). The normal range for blood sodium is 135 to 145 mEq/L, according to Medline Plus. physician will often begin to monitor blood sodium levels when they drop lower than the 120 mEq/L range. While some adults can function sufficiently at these levels, many may have symptoms such as fatigue, lethargy, confusion, muscle cramps and nausea.
Rating Newest Oldest. Best Answer: The brain produces Endorphins to ease/relieve pain. The brain also produces seratonin, dopamine, melatonin, and others. Adrenaline is produced by the adrenal glands which rest on top the kidneys.
Certain anti-seizure medications, including gabapentin (Neurontin, Gralise) and pregabalin (Lyrica), can lessen the pain of postherpetic neuralgia. These medications stabilize abnormal electrical activity in your nervous system caused by injured nerves.