No, it is not serious. This kind of skin reaction, if associated with itching, is likely to be allergic. If associated with pain or burning sensation, it is likely to be an abrasive scratch. Both these conditions can be managed easily with topical ointments and rarely need any oral medication. In some cases, it may be self limiting. So relax, and consult your family doctor for further advise, if required.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.