Butalbital is a barbiturate that you can use to treat headaches, which occurs because of stress or tension. The medication is frequently mixed with other medicines, such as aspirin or paracetamol. Butalbital is a stimulant that helps to decrease anxiety and cause relaxation and sleepiness. People buy Butalbital online because it also helps to relax muscle contractions caused by tension headaches. The medication should be consumed by mouth, in the gapping of 4 hours as instructed by your physician.