Cold vs COVID: 20 Key Differences Everyone Should Know

Lau Racciatti

19. "COVID Toes" and Skin Changes

Young woman feeling pain in her foot at home. Photo Credit: Envato @Prostock-studio

One of the more unusual symptoms unique to COVID-19 is skin-related reactions, including "COVID toes"—a condition where the toes become swollen, red, or purple, often resembling frostbite. Some COVID-19 patients also develop rashes, hives, or other skin irritations, which are uncommon with the common cold. These skin symptoms can sometimes appear even in people with otherwise mild cases.

20. Impact on Mental Clarity and Focus

Business, woman and headache of stress in office for financial deadline, brain fog and pressure pai. Photo Credit: Envato @YuriArcursPeopleimages

A cold may make you feel groggy or slightly fatigued, but it doesn’t typically impair cognitive function. COVID-19, however, has been linked to brain fog—a condition where individuals struggle with memory, focus, and concentration even after other symptoms resolve. Many people recovering from COVID-19 report feeling mentally sluggish, forgetful, or unable to process information as quickly as usual. This cognitive impact, even in mild cases, is another key distinction between the two illnesses.

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19. "COVID Toes" and Skin Changes

20. Impact on Mental Clarity and Focus

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