A Stanford University doctor explains the possible cause of urticaria after recovering from COVID

PALO ALTO, CA (KGO) — Rashes and urticaria are some of the symptoms infectious disease professionals get calls about after people test negative for COVID.It may start on your knees or arms and move around your body.

“We’ve had a lot of calls about hives — specifically these bruises that look like really big mosquito bites — after people had COVID or during infection,” said Dr. Ann Liu, an infectious disease expert at Stanford University.

Liu says hives or a rash should not be interpreted as an allergy.”The virus stimulates the immune system,” she said.

Dr. Robert Turano of Allergy & Asthma Associates in Northern California has observed similar skin reactions during the recovery phase of the infection. He says this happens with COVID, but also with other viruses.

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“These are the patients who notice during the recovery phase, usually once the immune system has rebounded and is fighting the infection, that they start to have an outbreak of hives,” Turano said. Then he added, “They come and go. They will appear here. Then they will appear here.”

Torrano recommends consulting with a medical professional, but says that in many cases these hives can go away with over-the-counter medications.

“If a patient takes simple antihistamines like Benadryl or Claritin or Allegra or something like that without a prescription, the hives often respond and fade until the medication is gone,” he said.

According to data from the Centers for Disease Control and Prevention, “rashes” are part of the list of symptoms of infection with the Corona virus.

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Pina almonds: “Why after testing negative do people start getting these rashes?”
Dr.. Leo: “Sometimes this happens when people are still actively infected, but more often it appears after the infection has cleared. Perhaps this is in part because the immune system is still fast, and the immune system is clearing the virus. And, while doing With that, a malfunction of the immune system can occur, leading to the appearance of a rash like this.”

In many cases, Torano says, these rashes can go away after two hours, but in some cases they may last several weeks.

“They usually go away in a few weeks. Up to six weeks are acute hives, or short-term hives. More than six weeks are long-lived hives. I’ve seen very few chronic cell patients after COVID,” he said.

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