1 It may cause rashes in hypersensitive people.  Iodine contrast can also cause an allergic reaction. Itâs an X-ray radiocontrast agent used for intravenous injections. Contrast dyes containing iodine have been responsible for severe allergy reactions (including deaths) in a limited number of hypersensitive people.
Do not resume a rigorous workout, because of the risk of further injury to the sore muscles. Massage is another way to reduce soreness. Massaging the muscles and promoting proper muscle relaxation will help keep muscle contractions down to a minimum.
Apply a generous amount of garlic oil to the parts of your back that are sore. Massage the garlic into the skin. 3. Leave the oil on the skin for 3 hours. Wash it off with soap and water. Try taking a warm bath to increase the effects of the oil on tight or sore muscles.