FLC OF AN ACR LTT ACFT RETURNED TO LAND AFTER EXPERIENCING AN ACFT PRESSURIZATION PROB RESULTING IN PHYSICAL DISCOMFORT TO THE FLYING FO.

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UPON TKOF FROM BDL BOTH PLTS NOTICED PRESSURIZATION PROB BY PRESSURE ON EARS. AFTER COMPLETING AFTER TKOF CHKLIST; THE DIFFERENTIAL PRESSURE ROSE TO ABOUT 7.2 IN THE AIRPLANE AT 3000 FT. I; AS THE PF; REPEATEDLY QUESTIONED THE CAPT IF HE WOULD FIX THE PROB BY READING THE CHKLIST. BY THE TIME THE CAPT REALIZED WHAT WAS HAPPENING; THE PRESSURE IN THE CABIN WAS EXTREME TO WHERE I FELT PAIN IN MY EARS AND COULD NOT HEAR MUCH. THE CAPT FINALLY READ THE CHKLIST AFTER REPEATED REQUESTS FROM MYSELF TO DO SOMETHING ABOUT THE PROB. I THEN SWITCHED THE PRESSURIZATION CTLR TO MANUAL AND MANUALLY OPENED THE OUTFLOW VALVE TO RELEASE THE PRESSURE. THE CAPT WAS NOT VERY RECEPTIVE TO THE PROB OR THE CURE FOR THE PROB. I NOTICED BLOOD IN THE BACK OF MY THROAT AND TOLD THE CAPT TO TURN BACK AND RETURN TO BDL. HE REMARKED THAT WE COULD FLY UNPRESSURIZED TO OUR DEST AT PHL. I DEMANDED WE TURN BACK AS I DID NOT FEEL WELL AND ASKED HIM TO FLY THE AIRPLANE SO I COULD CONTINUE TO MONITOR THE PRESSURIZATION PROB; AS HE WAS NOT BEING OF MUCH ASSISTANCE IN THAT ASPECT. WE LANDED WITHOUT INCIDENT; WHERE I REMOVED MYSELF FROM THE TRIP TO SEEK MEDICAL ATTN. I BELIEVE THE CAUSE OF MY CONDITION WAS THE CAPT'S INABILITY TO RECOGNIZE AND CORRECT THE MALFUNCTION IN A TIMELY MANNER; UNTIL HE WAS REPEATEDLY QUESTIONED. A SECOND CONTRIBUTING FACTOR WAS THE CAPT'S APPARENT LACK OF KNOWLEDGE OF THE PRESSURIZATION SYS OR WAYS TO CTL IT AT THE TIME.