Cortisone creams and pills are common treatments for noninfectious skin rashes. Doctors treat rashes related to infections by addressing the underlying cause, according to eMedicineHealth.com.
Antifungal medications, such as terbinafine, clotrimazole and fluconazole, are common treatments for skin rashes caused by fungi. Doctors may prescribe oral or intravenous antiviral medications, such as acyclovir and ganciclovir, to treat rashes caused by viruses. Antibacterial creams and ointments as well as injectable antibiotics, such as erythromycin, are treatments for rashes caused by bacterial infections. Patients with noninfectious skin rashes caused by allergic reactions often require oral steroids, and treatments for eczema-related rashes include antihistamines such as hydrocortisone cream, declares eMedicineHealth.com.