They are called suppositories and work far faster than orals, but never, ever use an oral tab/capsule rectally!!
Insulin should be administered!!
pr in medical terms stands for "per rectum," or a drug inserted into the rectum.
Glucocorticoids can make a person susceptible to infection when they are administered for too long as a drug.
Needle oral and smking
Parenteral routes of drug administration are a means of introducing a drug into the body through injection, for quicker absorption by the body: intravenous, intramuscular, or subcutaneous.
local action
There are several volatile liquid inhaled anesthetics that can be administered this way: ether, chloroform, ethylene, trichloroethylene, halothane, enflurane, methoxyflurane, desflurane, sevoflurane, isoflurane, etc.
Caverject is indeed a drug. It is used to treat erectile dysfunction. It's administered by injection into the penis.
Placebo
his doctor, who administered the drug that killed him.
Rectal suppositories and steroid enemas are used for treating colitis
A non-parenteral drug is one that is administered orally or by inhalation. Examples would be swallowing a pill or using an inhaler. Parenteral drugs are administered by injection or via transdermal patch (applied directly to the skin).