A generic version of Effexor is available. Effexor side effects can cause dizziness, nervousness, nausea, constipation, headaches, anxiety, insomnia, strange dreams, drowsiness, increased sweating, blurred vision, dry mouth, changes in appetite or weight, decreased sex drive, impotence, or difficulty having an orgasm.ncreased blood pressure can occur and seizures have been reported. Abrupt discontinuation of Effexor may cause dizziness, headache, nausea, changes in mood, or changes in the sense of smell, and taste.
Certain factors can decrease the amount of sodium and chloride in your serum, or the portion of your blood that is not red blood cells. A lack of serum sodium is called hyponatremia, whereas a lack of serum chloride is called hypochloremia. Addison's disease can cause low serum sodium and chloride levels.
1 Potassium chloride (found in salt substitutes) can lower your blood chloride levels but raise your urine chloride levels. 2  Tests for sodium, potassium, and bicarbonate usually are done at the same time as a blood test for chloride.ests for sodium, potassium, and bicarbonate are usually done at the same time as a blood test for chloride. Most of the chloride in your body comes from the salt (sodium chloride) you eat. Chloride is absorbed by your intestines when you digest food. Extra chloride leaves your body in your urine.