our girls have the FLU TYPE A, AGAIN AND THEY ARE COUGHING REALLY BAD. THE ER DOCTOR SAYS TO GIVE THEM TAMIFLU BUT THAT WILL COST US ALMOST 175.00 TOTAL FOR ALL THE GIRLS. I FOUND AN OLD PRESCRIPTION FOR CHLORPHENIRA-HYDROCODONE THAT WAS PRESCRIBED TO MY DAUGHTER WHEN SHE HAD THE FLU BEFORE. WILL THIS STILL HELP HER COUGH EVEN THOUGH IT'S EXPIRED?IF NOT WHAT CAN i BUY OVER THE COUNTER. RIGHT NOW WE ARE GIVING THE GIRLS TYLENOL COLD AND FLU TABLETS EVERY 4 HRS AS DIRECTED ON THE PACKAGE BUT THEIR COUGH IS REALLY BAD?