It is important to consider the diagnosis of a spinal CSF leak as an alternative to pots. In both conditions patients feel better when lying down and have neurologic symptoms when upright, in CSF leaks there is usually a prominent component of headache or neck stiffness but this is not universally true. A trauma that occurred shortly before the onset of symptoms would also help suggest a CSF leak. CSF leaks are also associated with chronic nausea, ringing in the ears, blurry vision, fatigue and brain fog. A referral to a specialty center is important for reaching the diagnosis. In California Ian Carrol at the Stanford pain clinic is doing work on spinal fluid leak
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My daughter has nerugenic cardio syncape, a form of dysautonomia. It's similar to POTS, but her blood pressure and heart rate goes down, not up. I wouldn't wait for 2 months if I was you. At least see another doctor who would be willing to get you on Midodrine. My daughter takes it 3-4 times a day now, and it really helps her. She's also on 2x day Flourinef (florinef--not sure of the spelling). Both of these combined have helped her tremendously. She went from bed ridden, exhaustion, dizzy, nauseous...to almost normal. They are the two most common prescribed meds for this condition...once it's diagnosed.