A. DRUG STUDY Classification Therapeutic actions Brand Name: ApoMetronidazole (CAN), Flagyl, Flagyl 375, Flagyl ER, Flagyl IV, Flagyl IV RTU, MetroCream (CAN), MetroGel, Metro I.V., Neo-Tric (CAN), NidaGel (CAN), Noritate, Novonidazol (CAN), PMSMetronidazole (CAN), Protostat, Trikacide (CAN) Bactericidal: inhibits DNA synthesis in specific (obligate) anaerobes, causing cell death; antiprotozoaltrichomonacidal, amebicidal: biochemical mechanism of action is not known. Pregnancy Category B Indications · Acute infection with susceptible anaerobic bacteria · Acute intestinal amebiasis · Amebic liver abscess · Trichomoniasis Trichomoniasis (acute and partners of patients with acute infection) · Preoperative, Preoperative, intraoperative, postoperative prophylaxis for patients undergoing colorectal surgery · Topical application in the treatment of inflammatory papules, pustules, and erythema of rosacea · Unlabeled uses: Contraindications · Contraindicated with hypersensitivity hypersensitiv ity to metronidazole; pregnancy (do not use for trichomoniasis in first trimester). · Use cautiously with CNS diseases, hepatic disease, candidiasis (moniliasis), blood dyscrasias, lactation. Dosages IV Metronidazole Dosage for Anaerobic Infections For serious anaerobic infections, metronidazole metronidazol e is usually given by IV in a hospital (at least at first). For the oral forms, the recommended dose for treating anaerobic infections is based on weight: 7.5 mg per kg of body weight (about 3.4 mg per pound) every 6 hours, up to a maximum of 4000 mg in any given 24-hour period. The medication is Adverse effects Nursing Responsibility Headache, dizziness, ataxia, vertigo, incoordination, insomnia, seizures, peripheral neuropathy, fatigue · Avoid use unless necessary. Metronidazole is carcinogenic in some rodents. Unpleasant metallic taste, anorexia, nausea, vomiting, diarrhea, GI upset, cramps · Administer oral doses with food. Dysuria, incontinence, darkening of the urine Thrombophlebitis (IV); redness, burning, dryness, and skin irritation (topical) Severe, disulfiramlike interaction with alcohol, candidiasis (superinfection) · Apply topically (MetroGel, MetroCream) after cleansing the area. Advise patient that cosmetics may be used over the area after application. · Reduce dosage in hepatic disease. Drug classes: Antibiotic, Antibacterial, Amebicide, Antiprotozoal prophylaxis for patients undergoing gynecologic, abdominal surgery; usually taken for 7 to 10 days, although some infections may hepatic encephalopathy; Crohn's disease; antibioticassociated pseudomembranous colitis; treatment of Gardnerella vaginalis, giardiasis (use recommende recommended d require extended treatment. by the CDC) dysentery, the recommended metronidazole dose is 750 mg three times a day for 5 to 10 days. For an amebic liver abscess, the recommended Oral Dose for Amebic Infections For amebic dose is 250 to 500 mg three times daily for 5 to 10 days. For treating amebic infections in children, your child's healthcare provider will calculate an appropriate amount based on your child's weight. Classification Protexin Probiotics Therapeutic actions Many people use probiotics to prevent diarrhea, gas, and cramping caused by antibiotics. Antibiotics kill "good" (beneficial) bacteria along with the bacteria that cause illness. A decrease in beneficial bacteria may lead to digestive problems. Taking probiotics may help replace the lost beneficial bacteria. This can help prevent diarrhea. Indications Contraindicati Contraindications ons Dosages Adverse effects Nursing Responsibility Probiotics, or friendly or good bacteria, are live microorganisms that can be used as complementary and alternative medicine to treat illnesses such as vaginal infections, tooth decay, H. pylori infection, irritable bowel syndrome, infectious diarrhea, and inflammatory bowel diseases like ulcerative colitis and Crohn's disease. For people with suppressed immune systems due to disease or treatment for a disease (such as cancer chemotherapy),, taking chemotherapy) probiotics may actually increase your chances of getting sick. Always speak with your doctor before taking any supplement under these circumstances circumstances.. 2 cap/chewable tab daily or 1 sachet daily. Probiotics are often regulated as dietary supplements rather than as pharmaceuticals or biological products. Thus, there is usually no requirement to demonstrate safety, purity, or potency before marketing probiotics. Check for signs of hypersensitivity Infection Reports of sepsis related to probiotic use Risk factors for probiotic sepsis A decrease in beneficial bacteria Deleterious may also lead to metabolic activities other infections, such as vaginal yeast and urinary tract infections, and symptoms such as diarrhea Immune deviation or excessive immune stimulation from intestinal illnesses. Probiotics may also be used to: Help with other causes of diarrhea. Help prevent infections in the digestive tract. Help control immune response (inflammation), as in inflammatory bowel disease (IBD). Microbial resistance Classification Generic Name: Paracetamol, Therapeutic actions Decreases fever by a Acetaminophen hypothalamic Brand Name: Biogesic, Panadol, Antipyretic Analgesicantipyretic in patients with aspirin allergy, Dosages Adverse effects Contraindicated with allergy to acetaminophen. Use cautiously with impaired hepatic function, chronic alcoholism, pregnancy, lactation. PO or PR By suppository, CNS: Headache 325–650 mg q CV: Chest pain, 4–6 hr or PO, dyspnea, myocardial 1,000 mg tid to damage when doses of qid. 5–8 g/day are ingested Do not exceed 4 daily for several weeks diatheses, upper g/day. or when doses of 4 GI disease, gouty PEDIATRIC g/day are ingested for 1 arthritis Arthritis PATIENTS PO or yr and rheumatic PR Doses may disorders be repeated 4–5 GI: Hepatic toxicity and involving times/day; do failure, jaundice musculoskeletal not exceed five pain (but lacks doses in 24 hr; GU: Acute kidney Inhibits CNS clinically give PO or by failure, renal tubular prostaglandin significant suppository. necrosis to sweating hemostatic and disturbances, vasodilation bleeding Inhibits analgesic, Contraindications pyrogen effect on the hypothalamicheatregulating centers Nursing Responsibility effect leading Tylenol Classification: Non-narcotic Indications antirheumatic synthesis with minimal and anti- Age Dosage Hematologic: effects on inflammatory (mg) Methemoglobinemia — peripheral effects) Common 0–3 mo 40 cyanosis; hemolytic prostaglandin cold, flu, other 4–11 mo 80 anemia—hematuria, synthesis viral and 12–23 mo 120 anuria; neutropenia, bacterial 2–3 yr 160 leukopenia, Does not infections with 4–5 yr 240 pancytopenia, cause pain and fever 6–8 yr 320 thrombocytopenia, Assessment History: Allergy to acetaminophen, impaired hepatic function, chronic alcoholism, pregnancy, lactation Physical: Skin color, lesions; T; liver evaluation; CBC, LFTs, renal function tests Interventions Do not exceed the recommended dosage. Consult physician if needed for children < 3 yr; if needed for longer than 10 days; if continued fever, severe or recurrent pain occurs (possible serious illness). ulceration of Unlabeled use: 9–10 yr 400 the GI tract Prophylactic for 11 yr 480 and causes no children receiving Hypersensitivity: Rash, anticoagulant DPT vaccination fever action. to reduce incidence of fever and pain hypoglycemia Avoid using multiple preparations containing acetaminophen. Carefully check all OTC products. Give drug with food if GI upset occurs. Discontinue drug if hypersensitivi hypersensitivity ty reactions occur. Treatment of overdose: Monitor serum levels regularly, N-acetylcysteine should be available as a specific antidote; basic life support measures may be necessary. Teaching points Do not exceed recommended dose; do not take for longer than 10 days. Take the drug only for complaints indicated; it is not an antiinflammatory agent. Avoid the use of other overthe-counter preparations. They may contain acetaminophen, and serious overdosage can occur. If you need an over-thecounter preparation, consult your health care provider. Report rash, unusual bleeding or bruising, yellowing of skin or eyes, changes in voiding patterns. Classification Therapeutic actions Generic Name: Zn sulfate monohydrate E-Zinc contains Brand Name: E-Zinc® [drops zinc. Zinc helps the body's natural defense against damaging free radicals (antioxidant effect) and helps boost immune function. Free radicals are highly reactive and unstable chemicals Indications Dietary supplementation; supplement to IV solutions given for TPN; treatment or prevention of zinc deficiencies. Ophthalmic solution used as mild astringent for relief of eye irritation. Contraindications HIV (human Dosages BY MOUTH: immunodeficiency virus)/AIDS: Do not virus)/AIDS: take zinc if you have HIV/AIDS. Zinc might shorten your life. For treating the common cold: one zinc gluconate or acetate lozenge, providing 9-24 mg elemental zinc, Allergy to any dissolved in the component of E- mouth every two Zinc. hours while awake Adverse effects Taking high Tell patient to amounts of zinc is contact health LIKELY UNSAFE. UNSAFE. care provider if High doses above nausea, severe the recommended recommended vomiting, amounts might dehydration, or cause fever, restlessness coughing, stomach occurs. pain, fatigue, and Identify food many other problems. when cold symptoms are present. Nursing Responsibility sources of zinc (eg, seafood, Taking more than 100 mg of organ meats, wheat germ). generated during For diarrhea in supplemental zinc Inform patient normal body malnourished or daily or taking that sense of taste and smell, activities that zinc-deficient supplemental zinc require oxygen children: 10-40 mg for 10 or more years skin hydration, (eg, respiration, digestion, blood elemental zinc daily. doubles the risk of developing prostate and wound circulation, For preventing and cancer. There is also treating pneumonia improve. immune system concern that taking response, etc) in undernourished large amounts of a Instruct patient and after children in multivitamin plus a to follow RDA exposure to developing separate zinc guidelines and ultraviolet (UV) countries: 10-70 supplement limitations in increases the terms of vitamin light, cigarette healing should smoke and mg/day. various pollutants. One major effect of For hypogeusia chance of dying and mineral from prostate supplementation. cancer. (sense of taste is Tell patient to abnormal): 25-100 mg zinc. Taking 450 mg or properly For the eating can cause problems replicate the disorder anorexia with blood iron. deoxyribonucleic nervosa: 100 mg of Single doses of 10- acid(DNA), which zinc gluconate daily. 30 grams of zinc can zinc is on the ability of cells to is required for cells to multiply. more of zinc daily be fatal take with food if GI upset occurs, but to avoid foods high in calcium, phosphorus, and phytate. Inform For treating stomach patient that bran, ulcers: zinc sulfate caffeine, and Hence, zinc is needed for 200 mg three times dairy products normal growth. daily. may decrease Zinc has other known functions/effects: Cofactor of various enzymes in cell division absorption. For muscle cramps in zinc deficient Tell patient to people with liver notify health care disease: zinc sulfate provider if 220 mg twice daily. change in vision occurs or if eye and growth. Required for the For osteoporosis: 15 mg zinc combined irritation or pain persists or normal with 5 mg increases while development developme nt and manganese, 1000 using ophthalmic maintenance of mg calcium, and 2.5 solution. the immune mg copper has been system; helps used. activity of cells Advise patient that parenteral regulate the For sickle cell medication will involved in disease: zinc sulfate be prepared and immune 220 mg three times administered by a function. daily. health care Functions as an antioxidant by being a cofactor of the enzyme super oxide dismutase, which is involved in the removal of harmful free provider in a To increase growth and weight gain in hospital setting. children with sickle Teach patient cell disease who proper have not reached administration puberty: 10 mg technique for eye elemental zinc per drops. day. radicals. Zinc is also For treating attention deficit- recommended by hyperactivity the World Health disorder (ADHD) in Organization children: doses of (WHO) and zinc sulfate 55 mg UNICEF as an (15 mg elemental adjunct in acute zinc) to 150 mg (40 diarrhea mg elemental zinc) management together with daily. reduced For treating acne: osmolarity oral 30-135 mg rehydration salts elemental zinc daily. (ORS). For treating agerelated macular degeneration (AMD): elemental zinc 80 mg plus vitamin C 500 mg, vitamin E 400 IU, and beta-carotene 15 mg daily. B. IV INFUSION CLASSIFICATION INDICATION CONTRAINDICATION NURSING RESPONSIBILITIES 5 % dextrose and 0.3 NaCl Fluid challenges, Fluid replacement in patient with DKA, Hyponatremia, shock • Don’t use with liver disease, trauma, or burns. Use with caution Hypotonic •Water replacement • DKA • Gastric fluid loss from NG or vomiting 5% dextrose with multiple balance solution Isotonic •Fluidloss • Dehydration • Hypernatremia • May cause cardiovascular collapse or increased intracranial pressure For dehydration For patient with respiratory problems ION multiple balance All ions either positive or negative are present • Use cautiously in renal and cardiac patients • Can cause fluid overload Do not use to patient without case of dehydration