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Restless anal syndrome: A post-Covid complication causing rectal discomfort

An old man in Japan has been diagnosed with restless anal syndrome, associated with deep anal discomfort, after recovering from Covid-19

Restless anal syndrome: A post-Covid complication causing rectal discomfort

All about the Restless Anal Syndrome

Not only is coronavirus known for its wide range of symptoms, but it leaves a long-lasting impact on people infected with the same. Long Covid-19 or post-Covid-19 syndrome has deeply impacted the lives of many. From persistent cough, fatigue to a continued loss of sense of smell and taste, the SARs-COV-2 virus affects people’s lives severely.

As per latest report, a mysterious post Covid-19 illness known as “Restless Anal Syndrome” has affected an old Japanese man, who was previously infected with Covid-19 and developed mild symptoms.

A Japanese man diagnosed with Restless Anal Syndrome, what is it?

A 77-year-old man in Japan was recently diagnosed with a condition called “Restless Anal Syndrome”, associated with deep anal discomfort. As per reports, the man had recently recovered from Covid-19.

The case study published in BMC Infectious Diseases reported that after weeks of recovery and testing negative for the virus, the man developed restless, deep anal discomfort, almost 10 cm from the perineal region.

What are the symptoms?

As per the doctors, the old man felt the urge to move his bowels, however, passing stool did not alleviate his pain or discomfort.

Reportedly, his symptoms deteriorated in the evening and in periods of rest. A colonoscopy test showed that besides having a few internal hemorrhoids, there was nothing serious or concerning inside the man’s rectum.

Is the condition a variant of restless leg syndrome?

As per the doctors at the Tokyo University Hospital, it was found that the symptoms shown by the man were in accordance with those shown by patients with restless leg syndrome (RLS). According to the experts involved in the case study, Restless Leg Syndrome is a “common neurological, sensorimotor” disorder, triggered by the dysfunction of the central nervous system.

Symptoms include the urge to move one’s leg and it worsens if the body is at rest, which coincides symptoms of restless anal syndrome. Doctors at the hospital believe that the post Covid-19 complication associated with “deep anal discomfort” is an unusual variant of RLS.


The case study stated that the “anal discomfort” was eased through a course of Clonazepam, a drug used to treat seizures. Apart from that, exercise such as walking or running gave the old man – diagnosed with a condition – some sense of and comfort.

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