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    Drugs can be administered to the body through a variety of different routes. Each route has its own unique advantages and disadvantages, depending on the type of drug being used and the desired therapeutic effect. All routes of administration involve some level of risk as well as impact on drug availability in the bloodstream, time course of effects, and abuse potential.

Oral administration is one of the most common methods for administering drugs. Oral medications are easy to administer with no special skills required or equipment needed. It also offers an advantage over other methods due to its flexibility: oral medications can come in many forms such as tablets, capsules, liquids, or even gels or solids that dissolve when put in contact with fluids inside the mouth. The main disadvantage associated with oral administration is that not all drugs are able to be absorbed by this method; some may require injections or other more specialized means for delivery into the bloodstream. Additionally, absorption rates vary significantly among individuals which can result in unpredictable levels of efficacy if not closely monitored by a healthcare professional. On average however, orally-administered medication reaches peak blood levels within 1–2 hours after ingestion while providing therapeutic action over time depending on their pharmacokinetics (absorption rate). Injections are another popular method for delivering drugs directly into the bloodstream quickly and efficiently without relying solely on gastrointestinal absorption rates (as seen with oral medications). Injectable medication usually takes effect much more quickly than orally-administered drugs though this does depend largely on where it is delivered too: intramuscular injections reach peak blood concentrations within 15 minutes while intravenous ones take only seconds before reaching their peak concentration due to direct entry into circulation from veins near skin surface level. Disadvantages associated with injections include greater risks for infection (especially if frequently injecting), pain at injection site during procedure itself plus any side effects related to specific drug used like allergies or nerve damage caused by localized pressure from needle tip itself. Topical application involves applying certain substances directly onto skin surfaces either by lotion/cream form applied manually or via transdermal patches which release compounds slowly overtime once they adhere onto skin layer’s outer layer molecules meaning less frequent dosing schedules need adhering too compared when using injectables/orals instead yet resulting therapeutic response still fairly predictable despite smaller doses given out per instance because concentration remains relatively constant throughout duration between dosages taken apart from minor fluctuations here & there due varying environment conditions affecting patch material permeability characteristics over time - something non-issue given topical treatment nature involving external product usage rather than internally distributed pharmaceutical agents normally requiring higher precision control like previously mentioned earlier alternatives would have done thereby making them quite preferable choice whenever possible especially since they don't present any risk complications whatsoever unlike both Intravenous/intramuscular equivalents could potentially do so long story short assuming circumstances allowing it then topical applications definitely worth considering prior implementing alternative strategies just keep mind whichever option choose must always comply applicable safety regulations otherwise might end up causing serious health issues shortly down road should happen decide ignore those rules set forth preventative measures purpose anyways hope helps answer question asked regards pros cons each available mode administration presented above provided enough information regarding same now understand why might want consider opting one particular strategy opposed another thanks again reading article!