Red flag sign when you get up in the morning could be Covid-related disease

What is long Covid and what are the known symptoms?

Once you’ve battled the initial Covid infection, leaving pesky symptoms like sore throat behind, you might feel a sense of relief. However, you might not be out of the woods yet.

Research indicates that around 10 to 20 percent of people infected by coronavirus may go on to develop persisting symptoms, better known as long Covid.

According to the Office for National Statistics, an estimated two million Brits struggle with long-lasting problems, ranging from brain fog to extreme fatigue. 

However, emerging studies suggest that one sign might crop up when you get up in the morning.

Charity PoTS UK reports that postural orthostatic tachycardia syndrome, or PoTS for short, can follow a Covid infection.

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PoTS refers to a group of disorders that share orthostatic intolerance as their key symptom, the National Institute of Neurological Disorders and Stroke explains.

Characterised by feelings of light headedness or fainting, orthostatic intolerance occurs when an excessively reduced volume of blood returns to your heart after you stand up.

The uncomfortable sign can strike when you get up in the morning or stand up after you’ve been relaxing on the sofa.

It can leave you with blurry vision, feeling like you’re about to fall or even make you faint.

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Fortunately, the faintness or light headedness can be relieved once you lay down again.

In PoTS, these symptoms are also accompanied by a rapid increase in your heartbeat of more than 30 beats per minute, or a heart rate that exceeds 120 beats per minute, within 10 minutes of rising. 

Looking at 14 patients between the ages of 17 and 48 years, research, published in the British Journal of Cardiology, linked PoTS development to long Covid.

In fact, the research team hypothesised that PoTS may be the cause of long Covid symptoms.

However, they noted that more research is currently needed to draw firm conclusions.

Like long Covid, PoTS severity can fluctuate unpredictably, making rehabilitation and return to work challenging, the British Journal of General Practice explains.

Furthermore, exercise intolerance resulting in prolonged fatigue is a common symptom of both PoTS and long Covid.

While more studies are needed to better understand the link between PoTS and long Covid, the National Institute for Health and Care Excellence recommends testing for PoTS in patients with persisting coronavirus symptoms.

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