what are the 8 routes of drug administration

The sublingual mucosa offers a rich supply of blood vessels through which medicines can be absorbed.

The volume used is 2 ml. Enteral medications are therefore often preferred in the treatment of chronic disease. While the oral route is most frequently used for medicine administration, it is not always appropriate. The most common medicine given via sublingual administration is glyceryl trinitrate in the treatment of acute angina.

It is important that any nurse administrating medicines or delegating this procedure to another member of their team understands the different routes of medicines administration and their limitations. Can be used for medicines that are poorly absorbed, inactive or ineffective if given orally, The intravenous route provides immediate onset of action, The intramuscular and subcutaneous routes can be used to achieve slow or delayed onset of action, Patient adherence problems can be avoided, Staff need additional training and assessment, May require additional equipment, for example programmable infusion devices, Royal Pharmaceutical Society, Royal College of Nursing (2019), Bioavailability is the proportion of a medicine that reaches the systemic circulation, The chosen route of administration will influence a medicine’s effectiveness and the patient’s experience, Care should be taken before crushing medicines, and advice should always be sought from the pharmacist or prescribing doctor, Crushing modified-release tablets can result in the full dose of medicine being released at once rather than gradually, Administering medicines directly into the systemic circulation by injection or infusion means the medicine is rapidly distributed to its sites of action. This time delay is important, oral route has controlled release time, thus depot or reservoir preparation may be made e.g. Administration within the meninges (the three membranes that envelope the brain and spinal cord).

Interactions that may compromise the effectiveness of a medicine can occur between the medicine and the enteral feed and clinically significant interactions include phenytoin, warfarin and flucloxacillin.

I gained a lot here.gud job! Rate of extent of absorption of the drug from different routes.

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Medicine administration is a core responsibility of registered nurses in healthcare settings; increasingly, the task is also being carried out by nursing associates.

Citation: Shepherd M, Shepherd E (2020) Medicines administration 1: understanding routes of administration. FIFA 16 Legend https://fut16coin.wordpress.com/2015/06/29/fifa-... Fut 16 coins: What is with that guy? Administration that results in substances passing into tissue spaces or into cells. Part 2 will outline the procedure for administering medicines to patients.

Administration within the vertebral column. Site of release may be intradermal, intraperitoneal, intrapleural, intracardiac, intra-arterial, intrathecal (into meninges of spinal cord), intra-articular (into joint cavity). urinary bladder, uterus, vagina and urethra. Administration by means of an electric current where ions of soluble salts migrate into the tissues of the body. Action may be topical (local), enteral (system-wide effect, but delivered through the gastrointestinal tract), or parenteral (systemic action, but delivered by routes other than the GI tract). Visit our, Medicines administration 1: understanding routes of administration. This is the most reliable route, as in acutely ill patients the absorption of substances from the tissues and from the digestive tract can often be unpredictable due to altered blood flow or bowel motility.

Part 2 will outline the procedure for administering medicines to patients. [43], Disadvantages of injections include potential pain or discomfort for the patient and the requirement of trained staff using aseptic techniques for administration. Furthermore, some application locations often classified as enteral, such as sublingual[6] (under the tongue) and sublabial or buccal (between the cheek and gums/gingiva), are taken up in the proximal part of the gastrointestinal tract without reaching the intestines.

By administering directly into the systemic circulation, either by direct injection or infusion, the medicine is instantaneously distributed to its sites of action.

When the drug is rubbed into the skin, it is known as epidermic route.

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