Loss of smell, dizziness, and rash are among the symptoms of COVID-19 that people may miss. Loss of taste or smell Earlier this month, the CDC added “new loss of taste or smell” to its list of COVID-19 symptoms. Nausea, vomiting, or diarrhea So far, the CDC hasn’t added nausea or other digestive complaints to its list of COVID-19 symptoms. Those skin symptoms consisted of a red rash, widespread hives, or chickenpox-like lesions. When clots form in small blood vessels in the feet or other extremities, it can cause minor skin symptoms.