A suppository is a drug dosage form, usually inserted in the rectum or anus and in other cases, into the urethra and vagina. This dosage form has faster effect than syrup, capsule or tablet. In addition, a suppository is administered if the patient has a vomiting tendency and if the patient can't tolerate drugs that can cause stomach pain or ulceration.
Most people are usually accustomed to suppositories used for constipation like glycerin suppositories. However, this form of medicine has many types. Eucalyptol suppository is an example. This is indicated for respiratory ailment. Another one is paracetamol or acetaminophen which is for fever.