Nervous System Case Study
Alexandra Edzii
Maryville University,
Department of Nursing
NURS 610 4.1 Health Promotion & Disease Prevention
Dr. Cristina Myer
September 22, 2024
Drug Action and Use
NURS 615 Assignment 4.1 Nervous System Case Study addresses SSRI pharmacology, i.e., mechanisms of action, clinical dosing considerations, and patient education strategies for antidepressant therapy.
They function through the mechanism of selectively suppressing serotonin reuptake within the Brain, thereby elevating serotonin concentrations in the synaptic cleft (Woo & Robinson, 2020, p. 191; Chu & Wadhwa, 2023). They exert several actions on several neurotransmitters, such as dopamine, which would result in harmful consequences. In order to enable additional serotonin to bind with postsynaptic receptors, citalopram and escitalopram most closely resemble a full selective serotonin reuptake inhibitor (Woo & Robinson, 2020, p. 191). Serotonin reuptake inhibition and extended serotonin action help to enhance mood, reduce tension, and foster fashionable emotional well-being (Hirsch & Birnbaum, 2023). SSRIs are typically first-line treatment for their effectiveness and fewer side effects compared to older antidepressants (Woo & Robinson, 2020, p.191).
Absorption, Metabolism, Distribution, and Excretion
SSRIs are absorbed in the GI system without any issues and reach peak plasma levels in one to eight hours, according to Woo and Robinson (2020) (p. 191). They attach to plasma proteins and penetrate the body to varying degrees, including the talent. 2. SSRI metabolism is primarily responsible for the CYP450 tool, which generates all active metabolites and has the ability to thwart SSRI metabolism (Woo & Robinson, 2020, p. 191). As an example, the half-life of of-lives of fluoxetine and norfluoxetine, the first metabolite, are 1 to three days and four to sixteen days, respectively (Hirsch & Birnbaum, 2023).
Adverse Effects and Drug-to-Drug Interactions,
Although SSRIs are highly well-tolerated, they are also capable of producing a broad array of adverse effects. Patients should also be aware that the burdens of one aspect of the results might also diminish over time, and some may be improved through dose reductions or treatment with add-on medications. Drug-drug interactions and contraindications are numerous and are crucial for patients to know when using SSRIs. For instance, concomitant use of SSRIs and monoamine oxidase inhibitors (MAOIs) may trigger serotonin syndrome, a likely life-threatening phenomenon that happens in the presence of excessive serotonergic activity (Chu & Wadhwa, 2023). NURS 615 Assignment 4.1 is characterised by confusion, hyperreflexia, intellectual perception alterations, autonomic disease, restlessness, tachycardia, hypertension, hyperthermia, tremor, nausea, vomiting, and clonus (Chu & Wadhwa, 2023). They should be used with caution in patients with severe hepatic or renal failure and avoided at some time during the first and third trimesters of pregnancy (Woo & Robinson, 2020, p.194).
Drug-to-Food Interactions, and Drug-to-Herb Interactions
Adverse drug reactions are generally mild and temporary, with the most frequent being nausea, vomiting, headache, dizziness, dry mouth, profuse sweating, weight loss or gain, deterioration of usual activity, and restlessness (Woo & Robinson, 2020, p. 192). Patients must inform their care organisation about any continuous or significant side effects, mainly signs and symptoms accompanied by prolonged worry, restlessness, or suicidal thoughts, which can also aid in a wish for reevaluation of their treatment chart (Woo & Robinson, 2020, p.192). Patients should not drink alcohol while on SSRIs because it can increase the activity of alcohol (Woo & Robinson, 2020, p.192). SSRI and anticoagulant drugs like warfarin, Aspirin, and NSAIDs might increase the risk of bleeding as a result of the influence of SSRIs on platelet trait (Chu & Wadhwa, 2023). as far as drug-herb interactions are concerned, St. John’s wort is every clear problem, in the sense that it can lower the effectiveness of SSRIs by use by lowering their concentrations in the body (Woo & Robinson, 2020, p.one hundred). Therefore, the patients need to talk to healthcare professionals before using herbal supplements like St. John’s wort concurrently with SSRIs.
Drug Administration Guidelines
For medicinal management, SSRIs are typically taken orally and may be prescribed in pill, tablet, or liquid form, and no parenteral forms of them exist (Chu & Wadhwa, 2023). Patients are required to follow the dosing routine regularly, taking the medicine at the same time each day to maintain normal blood levels. It is generally advisable to start low and slow, gradually building up as needed, depending on the scientific response and tolerability (Chu & Wadhwa, 2023). consistent with Woo and Robinson (2020), the initial two to three weeks of an SSRI affected man or woman should be intently monitored, along with periodic tests of suicidal ideation, weekly telephone contact, and at times notification of the prescriber if suicidal ideations occur (p.192).
Clinical Drug Dosing
Medical dosing of SSRIs varies by particular medicinal drug but typically starts at low levels, such as 25 mg of sertraline with a concentration of 20mg/ml or 10 mg of fluoxetine. Doses could be controlled primarily based on efficacy and side effects (Woo & Robinson, 2020, p. 194). Dosage of medication for children and adults taking sertraline is 50-200mg/d, dose escalating at a weekly rate, while elderly adults take 1/2 of the dose. The dosage of fluoxetine for children and adults is 20-80mg/d. It may be gradually increased at a 5-day interval after a trial of three to four 4-week periods on the lower dose, while elderly adults receive half of the dose (Woo & Robinson, 2020, p. 194).
Patient Education
Finally In NURS 615 Assignment 4.1 Affected patient or women training is an essential part of SSRIs treatment, especially concerning the issue of the duration of relief of the symptoms, side effects, interaction with corporations in the context of over-the-counter and herbal use, and forgotten doses of medications. as indicated by Woo and Robinson (2020), patients need to be informed that the maximum benefits of SSRIs will only show after 3-4 weeks (p. 192). Patients need to know the expected timeframe within which symptoms are expected to improve, which may also take several weeks, and the importance of adhering to the prescribed regimen. They also need to be taught about the possible adverse effects, in addition to nausea, light-headedness, sedation, muscle twitching, and sleep disturbances, as well as the importance of reporting any concerning signs and symptoms to their healthcare provider (Woo & Robinson, 2020, p. 192). Through fostering open communication and active involvement in their care, patients are encouraged to engage in discussions of unique statistics related to their prescription drug therapy and herbal nutritional supplements. Furthermore, patients should be taught the significance of never missing a dose or running prescriptions down to avoid the possibility of withdrawal syndrome (Woo & Robinson, 2020, p.192).
References
Chu, A. & Wadhwa, R. (2023). Selective serotonin reuptake inhibitors.
Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK554406/
Hirsch, M., & Birnbaum, R. (2023). https://www-uptodate- com.proxy.library.maryville.edu/contents/selective-serotonin-reuptake-inhibitors- pharmacology-administration-and-side-effects
Woo, T. M., & Robinson, M. V. (2020). Pharmacotherapeutics for advanced practice nurse prescribers. F.A. Davis Company.