<Li> sublingual and buccal medication administration is a way of giving someone medicine orally (by mouth). Sublingual administration is when medication is placed under the tongue to be absorbed by the body . The word "sublingual" means "under the tongue ." Buccal administration involves placement of the drug between the gums and the cheek . These medications can come in the form of tablets, films, or sprays . Many drugs are designed for sublingual administration, including cardiovascular drugs, steroids, barbiturates, opioid analgesics with poor gastrointestinal bioavailability, enzymes and, increasingly, vitamins and minerals . </Li> <Li> extra-amniotic administration, between the endometrium and fetal membranes </Li> <Li> nasal administration (through the nose) can be used for topically acting substances, as well as for insufflation of e.g. decongestant nasal sprays to be taken up along the respiratory tract . Such substances are also called inhalational, e.g. inhalational anesthetics . </Li> <Li> intra-arterial (into an artery), e.g. vasodilator drugs in the treatment of vasospasm and thrombolytic drugs for treatment of embolism </Li>

Parenteral means taken into the body through the digestive tract