1 Mailers must use indicia with no mailing date for prepaid metered reply postage. 2  As an option, mailers may use indicia with no mailing date for Standard Mail and Package Services pieces not subject to 604.4.6.2a.
How long does it take for an antibiotic to work? Well, it depends upon the type of antibiotic and how serious the infection is. Most antibiotics should work between 24-48 hours. Use the information in this article to decipher whether it is worth waiting or if you should call the doctor, nurse or pharmacist for input. Antibiotics directions and instructions.
Report Abuse. antibiotics take 48 hours to start working, the pain should start easing at this time, they also carry on working for 48 hours after you have finished the course, if you still have pain after this goback to the dentist or dr, you can take pain killers with antibiotics. t_a_i_s_h_a Â· 9 years ago.Thumbs up.0.ntibiotics take 48 hours to start working, the pain should start easing at this time, they also carry on working for 48 hours after you have finished the course, if you still have pain after this goback to the dentist or dr, you can take pain killers with antibiotics. t_a_i_s_h_a Â· 9 years ago. Thumbs up.