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When a doctor prescribes medication, they will give their patient information about how to take it. This includes instructions on how many times per day to take it, the size of the dose, and whether the medication should be taken with food, water, or on its own. These instructions are very important because many prescription medications can be addictive and lead to substance abuse. According to the Centers for Disease Control and Prevention, pharmaceutical misuse or abuse led to emergency room treatment frequently, with visits to emergency rooms related to such misuse increasing 114 percent between 2004 and 2011. In 2011 alone, over 14 million people in the United States reported non-medical use of prescription medications in the past year.
The most common prescription medicines that are abused are:
Understanding how these medications are made, how they should be taken, and how they should be stored can help prevent prescription drug abuse.
The active ingredient in a prescription medication is the main chemical that creates the therapeutic effect (e.g., stopping pain, reducing anxiety, etc.) in the body. An inactive ingredient, in contrast, is an important chemical not designed to create an effect in the body; instead, it is used to help the active ingredient release slowly over time, improve long-term storage and stability, bind the pill or liquid together, or change the color or flavor.
The Food and Drug Administration (FDA) approves inactive ingredients used in prescription medicines for safety. While inactive ingredients do not influence many people, they may cause allergic reactions in some individuals. Some people may also be sensitive to sugar substitutes, dyes, and alcohol that are used to bulk up the product or enhance the medicine’s effectiveness.
Common inactive ingredients in prescription medicines include:
Some inactive ingredients help to release the medication more slowly into the body when the drug is taken as prescribed. If the medicine is not taken as prescribed – for example, if OxyContin is crushed and snorted – then these ingredients are not effective.
Inactive ingredients are different in brand name and generic drugs, so some generic drugs do not work the same way their brand name counterparts do.
Prescription and over-the-counter medications have expiration dates, and they will break down when exposed to extreme temperatures (usually over 86 degrees Fahrenheit), sunlight, or too much humidity. While many prescription medications are shelf-stable, meaning they can remain indoors at room temperature for a few years, some prescription medicines have to be kept at specific lower temperatures. Often, this means refrigerating these drugs.
Drugs that must be refrigerated include:
Refrigerating these medicines prevents them from rapidly breaking down and losing their effectiveness, or even rotting and becoming toxic. Liquid suspensions are especially prone to breaking down fast when their temperature is not stabilized; however, some orally ingested liquids, gel capsules, and injections may also require refrigeration. It is important to be clear with the prescribing physician regarding whether or not a medicine needs to be refrigerated.
Many over-the-counter medicines state that they can be taken with or without food; however, prescription medicines may require a meal or a snack to ensure their effectiveness. The reasons for this depend largely on the prescription medicine being taken. Here are a few reasons that a prescription drug may need to be taken with food to be effective:
Nitrates are prescription medications that treat or prevent heart pain, coronary disease, or heart attacks. Mixing some medications with nitrates can increase the risk of heart problems, bleeding, or blood pressure problems.
Anticoagulants like warfarin and heparin should be used with caution while taking nitrates, or the prescribing doctor should switch their patient to a different combination of medicines.
Tricyclic antidepressants and nitrates can reduce the amount of saliva a person produces, leading to dry mouth.
Nitrates reduce blood pressure, so other medicines with the same side effect may reduce blood pressure enough to cause fainting or other dangerous symptoms. Similarly, drugs that increase blood pressure may interact poorly with nitrates, leading to angina (heart pain).
Benzodiazepines treat anxiety, panic attacks, seizures, and hyper-stimulation of certain areas of the brain. They rapidly induce a sense of calm and relaxation. Unlike antidepressants, benzodiazepines do not require weeks to build up in the body and become effective; instead, they act immediately, which is one of the reasons they are only prescribed for up to two weeks at a time.
If a person misses a dose of their benzodiazepine medicine, like Klonopin or Xanax, they can take the dose as soon as they remember; however, if they have another scheduled dose soon, they should not double up on the medicine to make up for the missed dose. Increasing the dose of benzodiazepines can lead to intoxication and potentially substance abuse or addiction.
People who receive prescriptions for opioid medicines and do not need to take the full prescription should safely dispose of these drugs. This helps to prevent the temptation to take more than required, which may lead to opioid addiction. It also helps prevent others, who may struggle with opioid addiction, from stealing the medicines.
The FDA suggests that people with unused prescriptions take the remaining drugs to a site approved by the Drug Enforcement Administration (DEA). The DEA’s website offers information to help people find authorized prescription drug collectors in their area, by zip code or city and state. Many doctors’ offices, pharmacies, drug stores, and other locations are authorized to take unused prescription medicines and safely dispose of them.