 [ Symptoms ] is it true that it is not good to do the same exercise every day to allow muscles to rebuild with a 48 hour break [ Disease ] these are the general steps for using a spacer be sure to read the instructions that come with yours they may be slightly different 1 remove the caps from the metered dose inhaler and spacer 2 insert the inhaler into the open end of the spacer 3 shake the inhaler for a few seconds 4 breathe out completely 5 place the mouthpiece of the spacer between your teeth seal your lips tightly around it 6 press the canister once 7 breathe in slowly through your mouth for about three to five seconds if you hear a hornlike sound slow down this means you are breathing too quickly 8 hold your breath for at least 10 seconds 9 if your doctor prescribed more than one puff of chronic obstructive pulmonary disease medication wait about one minute and repeat steps 3 through 8 10 remove the spacer from the inhaler and replace the caps on the inhaler and spacer 11 gargle and rinse your mouth with water or mouthwash