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.
Here's what you need to know... 1  Getting really sore after lifting weights doesn't necessarily mean that you had a good workout that will lead to gains. 2  You can stimulate muscle growth without experiencing extreme soreness. That said, you should feel something after a tough workout.