Abstract: A drug cartridge is provided for delivering a drug pellet to a site beneath the skin of a patient, the drug cartridge comprising: two or more chambers, each chamber holding a drug pellet and having a proximal end and a distal end, the proximal end of the chamber having an opening to receive the drug pellet and a plunger, the distal end of the chamber having an opening for receiving the plunger and passage of the drug pellet, a bulking agent disposed within at least a portion of each chamber, wherein movement of the plunger to an extended position moves the drug pellet within the chamber of the cartridge out the distal end of the chamber and out of the drug cartridge. In some embodiments, instead or with the bulking agent pierceable superior and inferior covers are used to contain the drug pellets.

Abstract: Effective treatments of acute pain for extended periods of time are provided. Through the administration of an effective amount of dexamethasone at or near a target site, one can relieve pain cause by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discongenic back pain and joint pain as well as pain that is incidental to surgery. When appropriate formulations are provided within biodegradable polymers, this relief can be continued for at least twenty-five days. In some embodiments, the relief can be for at least fifty days, at least one hundred days, at least one hundred and thirty-five days or at least one hundred and eighty days.

Abstract: A drug cartridge is provided for delivering a drug pellet to a site beneath the skin of a patient, the drug cartridge comprising: two or more chambers, each chamber holding a drug pellet and having a proximal end and a distal end, the proximal end of the chamber having an opening to receive the drug pellet and a plunger, the distal end of the chamber having an opening for receiving the plunger and passage of the drug pellet, a bulking agent disposed within at least a portion of each chamber, wherein movement of the plunger to an extended position moves the drug pellet within the chamber of the cartridge out the distal end of the chamber and out of the drug cartridge. In some embodiments, instead or with the bulking agent pierceable superior and inferior covers are used to contain the drug pellets.

Abstract: Effective treatments of spasticity and shivering that accompanies surgeries are provided. Through the administration of an effective amount of clonidine at or near a target site, one can relax muscle fibers. This administration of clonidine or a pharmaceutically acceptable salt thereof is particularly useful following the surgery.

Abstract: Effective treatments of acute pain for extended periods of time are provided. Through the administration of an effective amount of dexamethasone at or near a target site, one can relieve pain cause by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discongenic back pain and joint pain as well as pain that is incidental to surgery. When appropriate formulations are provided within biodegradable polymers, this relief can be continued for at least twenty-five days. In some embodiments, the relief can be for at least fifty days, at least one hundred days, at least one hundred and thirty-five days or at least one hundred and eighty days.