For instance, cancer or serious infections that cause rashes may result in death. Rashes associated with pregnancy often go away after delivery and have no long-term effects. In some cases, a rash can be contagious and spread to others. In most cases, however, a rash poses no risk to others. Affected skin should be kept clean, especially if there is skin breakdown.
Specific treatment depends on the cause.
For instance, those with infections may need antibiotic pills or creams applied to the rash. Those with allergic reactions may need antihistamines or corticosteroid pills or creams. Those with autoimmune disorders may need medications to suppress the immune system . Those with cancer or poor circulation may need surgery. Medications may cause allergic reactions , stomach upset, and headaches .