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7 Signs You Have Long COVID and Don't Know It

A new study has identified the most common symptoms.

It's been a year-and-a-half since COVID-19 started wreaking havoc on the world, and while the infection rate continues to drop, there are still many people experiencing the after-effects of the devastating virus. Now, a new major study involving the health insurance records of nearly two million people in the United States who tested positive for the virus last year, has found 23 percent sought medical treatment for new conditions at least 30 days post infection. According to their findings, long COVID impacted men and women of all ages—including children—and even people who didn't realize they had the virus in the first place. Long COVID hit almost half of patients who were hospitalized, 27 percent of people who experienced mild or moderate symptoms, and 19 percent who were asymptomatic. Are you a long hauler and not even know it? Read on for the most common manifestations of long COVID—and to ensure your health and the health of others, don't miss these Sure Signs You Have "Long" COVID and May Not Even Know It.



Woman with hands on stomach suffering from pain.

The most common issue reported by patients seeking medical care was pain. Nerve inflammation and aches and pains associated with nerves and muscles were reported by more than 5 percent of patients, or nearly 100,000 people, equating to more than 20 percent of those who reported post-Covid problems.


Breathing Difficulties

Woman suffering an anxiety attack alone in the night

Many post-Covid patients also experienced breathing difficulties, including shortness of breath, also a common manifestation of the initial infection itself. In total 3.5 percent of patients checked this box.  

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Malaise or Fatigue

Woman experiencing a bad headache

Malaise and fatigue were also a common manifestation, with almost 3 percent of patients seeking treatment for everything from brain fog to exhaustion worsening after physical or mental activity.


High Cholesterol

high cholesterol

New cholesterol issues were also common, especially for adults in the 40s and 50s. About 3 percent of post-COVID patients reported high cholesterol.

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High Blood Pressure

Pharmacist checking blood pressure of customer

Newly elevated blood pressure was also reported. About 2.4 percent of post-COVID patients experienced high blood pressure.



depressed Indian woman holding head in hands, sitting alone on couch at home

A little over 2 percent of post-COVID patients reported suffering from anxiety. 

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Intestinal Issues

Man feeling stomach pain at home.

A little over 2 percent also experienced intestinal issues, which can include loss of appetite, nausea and diarrhea. And to get through life at your healthiest, don't miss these First Signs You Have a Serious Illness.

Leah Groth
Leah Groth has decades of experience covering all things health, wellness and fitness related. Read more about Leah