why do shingles hurt worse at night

Shingles strikes 1 million Americans each year, causing mild to severe and even debilitating pain, according to the National Institute of Neurological Disorders and Stroke. Six percent to 70 percent of affected patients, NINDS notes, develop a chronic pain syndrome known as post-herpetic neuralgia in which shingles pain persists for months or years after other symptoms subside. In a January 2006 study in the medical journal Pain, anesthesiologist Mark Odrcich, MD, explains that a number of explanations have emerged for why shingles becomes so painful at night. Patients with shingles experience pain that worsens throughout the day, peaking around 8 pm when most patients are getting ready for bed, according to Odrcich.

The increases are modest, but they are consistent, says Odrcich. Pain medications and antidepressants seem to decrease overall pain, but they don t affect the pattern of night time exacerbation. Shingles pain produces associated symptoms, such as unintentional weight loss, sleeplessness, depression and disability, notes NINDS. In a December 2008 report in the Journal of Pain and Symptom Management, psychiatrist David A. Fishbain reports that associated symptoms correlate with inadequate night time pain control and pain interference with sleep.

Odrcich says scientists aren t exactly sure why pain due to shingles and similar conditions seems to get worse at night. Several neurotransmitters and endocrine hormones involved in pain perception exhibit diurnal variation, where morning concentrations vary inversely with night concentrations. Most important, says Odrcich, the association between time and pain exacerbation can t be attributed to stress or depression because it occurs on all days of the week, including weekends, when pain due to stress would be expected to improve. It s also seen in depressed and non-depressed patients. In the January-February 2008 edition of Pain Management, Pennsylvania State University pain specialist Bruce Nicholson, MD, explains that extended-release pain medications can diminish the perception of night pain due to shingles.

For patients who find they wake in the middle of the night because they require additional pain medication, extended-release formulas can also improve sleep by preventing these sleep interruptions. Nicholson specifically recommends tramadol, a generic prescription opioid pain medication. In May 2006, the Food and Drug Administration approved a live virus vaccine, Zostavax, that prevents shingles in up to half of treated patients and significantly reduces pain and postherpetic neuralgia among those who still develop the disease.

The major side effect of the vaccine is mild injection-site swelling and tenderness, which occurs in up to 48 percent of patients, according to the FDA. However, notes NINDS, the vaccine has only been approved for people older than 60 who have not already had shingles.
Chronic nerve pain sufferer checking in. blurker is right, you don't want to use up all your meds, but you also don't want to wait until the pain becomes unbearable. If I were you I'd consult with a pharmacist. In this case, for instance they might recommend you ask your doctor about a therapeautic dose of ibuprofen (1000mg) for 10 days.

Or the pharmacist might just recommend you do it. It will combine with the vicodin and have a greater effect than the separate drugs combined (Note: I am NOT recommending that you start gobbling up ibuprofen. I am not a doctor. I don't even know how to sound like I'm a doctor. ) How certain are you that you won't get more Vicodin? Your doctor might have told you that's all you're getting so that you'd be judicious in your use of the drug. So take it when you need it and call if you need more. They probably have patients who need more sometimes. posted by at on March 4, 2013

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