 [ Symptoms ] Which medicine to take if I have a Rash? [ Disease ] 1)Olive oil helps in healing and promotes skin renewal given it is packed with vitamin E and antioxidants. It also soothes the skin and reduces itching. 2)Baking soda is useful in drying skin rashes as also in relieving itching and inflammation. 3)Aloe Vera,Thanks to its antibacterial, antifungal, anti-inflammatory and emollient properties, aloe vera is excellent for treating a number of skin ailments including rashes as also soothing the skin.