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Typically, a variety of symptoms of CSF Leak will be experienced by sufferers and few people will experience identical symptoms. It is rare that only one symptom will be present, although not unheard of. There can be a slight difference between the range, combination, and severity of symptoms experienced by spinal and cranial leakers.
When CSF leaks occur in the spine, they often lead to Intracranial Hypotension (loss of CSF pressure and volume in the cranium). This can result in a wide range of symptoms; some are primary symptoms, some secondary. Many of the symptoms can be debilitating and have a significant impact on the sufferer’s quality of life and ability to work
Symptoms of CSF Leak
A key characteristic of many CSF Leak symptoms is that they are generally orthostatic. That is to say that they occur principally when standing or sitting, but are often significantly relieved when lying down.
Symptoms may present themselves immediately upon sitting or standing, or increase gradually over a period of time. A common pattern with many CSF leak sufferers, particularly those with a small or intermittent spinal leak, is that symptoms may only become noticeable or severe later in the day.
Many CSF leak symptoms are common characteristics of other headache disorders, such as migraine, acute sinusitis, severe tension headache and post-traumatic headache. Research shows that these similarities routinely result in the misdiagnosis of a CSF leak.
The orthostatic characteristic is, however, a key indicator of a CSF leak and whenever this is present, a CSF leak should not be ruled out. Due to the perceived rarity of this condition and the lack of diagnosis experience in GP surgeries and A&E wards, it may be necessary for those experiencing CSF leak symptoms to specifically raise it as a possibility with their GP or emergency medicine practitioner.
Head
Headaches (frontal, parietal and occipital)
Heaviness of head
Feeling of pressure within the head
Sensitivity of, or tingling sensations within, the scalp
Dizziness or loss of balance
Ears/Hearing
Tinnitus (ranging from ringing and buzzing to pulsatile tinnitus)
Pressure sensations in the ears/ear popping
Feeling of liquid in the ears
Hearing loss (sometimes similar to Meniere’s disease) and dulled hearing
Eyes/Vision
Blurry vision
Double vision
Pain behind eyes
Pain when moving eyes
Facial
Facial numbness
Sinus pressure
Jaw pain/toothache
Temporomandibular joint pain and stiffness
Back, Neck & Limbs
Neck pain and stiffness
Back pain (area-specific and general)
Pain between the shoulder blades
Tingling sensations and spasms in the spine, back, arms and sometimes legs
Other Symptoms of CSF Leak
Rapid heartbeat, particularly when sitting or standing
Nausea and, in extreme cases, sickness
Cognitive decline (including memory loss and loss of concentration)
Cranial Leak-specific
Fluid discharge from ears, nose and to back of throat
Recurring or chronic meningitis
Last reviewed: 2026
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