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NAPLEX Study Guide

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Study and pass the 2026 NAPLEX exam and become a professional, qualified pharmacist in the United States. Future pharmacists train with us.

💊NAPLEX MedFact. Streptokinase is a fibrinolytic agent produced by streptococcal bacteria, and because of its bacterial origin, the body can form antibodies against it after initial exposure. ☑️If the drug is administered again within 6 – 12 months, these circulating…


💊NAPLEX MedFact. Allopurinol is used in cancer therapy primarily for the prevention and management of hyperuricemia associated with tumor lysis syndrome (TLS). ☑️TLS occurs when cancer cells, particularly in rapidly proliferating malignancies such as leukemias and lymphomas,…


NAPLEX Study Guide reposted

FDA Approves Kygevvi (doxecitine and doxribtimine) for the Treatment of Thymidine Kinase 2 Deficiency drugs.com/newdrugs/fda-a…


💊NAPLEX MedFact. Ziconotide is a non-opioid analgesic derived from a synthetic version of a peptide found in the venom of the marine cone snail Conus magus. ☑️It works by selectively blocking N-type voltage-sensitive calcium channels on nerve cells in the spinal cord, thereby…


💊NAPLEX MedFact. Prominent examples of CYP 3A4 inhibitors include: ☑️macrolides ☑️azole antifungals ☑️calcium channel blockers ☑️protease inhibitors ☑️amiodarone ☑️grapefruit juice


💊NAPLEX MedFact. 1⃣What is zanidatamab? Zanidatamab is a bispecific monoclonal antibody used in the treatment of HER2-positive biliary tract cancer. 2⃣How does it work? It works by binding to two non-overlapping epitopes on the HER2 receptor, causing receptor clustering and…


💊NAPLEX MedFact. Hartmann’s solution — also known as compound sodium lactate — is an isotonic crystalloid fluid designed to closely mimic the electrolyte composition of plasma. It contains: ☑️sodium chloride (NaCl) ☑️sodium lactate ☑️potassium chloride (KCl) ☑️calcium…


💊NAPLEX MedFact. Many drugs can prolong the QT interval. Some of the most widely implicated include: ☑️macrolides ☑️fluoroquinolones ☑️antipsychotics ☑️quinine / hydroxychloroquine ☑️SSRIs


NAPLEX Study Guide reposted

Gene Test Can Predict Risk For Gout Medicine, Allopurinol, Side Effects drugs.com/news/gene-test…


💊NAPLEX MedFact. Dopamine agonists — particularly those with high affinity for D3 receptors such as pramipexole and ropinirole — are strongly linked to the development of impulse control disorders (ICDs), including hypersexuality, pathological gambling, and compulsive shopping.…


💊NAPLEX MedFact. Pirfenidone is an antifibrotic and anti-inflammatory drug used primarily in the treatment of idiopathic pulmonary fibrosis (IPF), a chronic and progressive lung disease characterized by scarring of lung tissue. ☑️It works by inhibiting key pathways involved…


💊NAPLEX MedFact. Dosage information for eszopiclone. Usual adult dose in the treatment of insomnia: ☑️Initial dose: 1 mg orally once daily at bedtime, immediately before going to bed. ☑️Dose adjustment: The dose may be increased if clinically necessary, based on both…


💊NAPLEX MedFact. Ropinirole, a dopamine agonist used in Parkinson’s disease and restless legs syndrome, can cause several important side effects related to dopaminergic stimulation. ☑️Common adverse effects include nausea, dizziness, somnolence, orthostatic hypotension, and…


💊NAPLEX MedFact. Penicillins can increase methotrexate toxicity by reducing its renal tubular secretion, leading to higher plasma concentrations and increased risk of adverse effects such as myelosuppression and mucositis. ☑️The interaction is most clinically significant with…


💊NAPLEX MedFact. Fibrinolytic drugs (also known as thrombolytics) act by promoting the conversion of plasminogen to plasmin, the enzyme responsible for breaking down fibrin clots. ☑️Plasmin degrades the fibrin meshwork within a thrombus, dissolving the clot and restoring blood…


💊NAPLEX MedFact. Andexanet alfa is a recombinant modified human factor Xa decoy protein used as a specific reversal agent for factor Xa inhibitors such as apixaban and rivaroxaban in cases of life-threatening or uncontrolled bleeding. ☑️It works by binding and sequestering…


💊NAPLEX MedFact. Drug treatment of Lyme disease depends on the stage of infection and clinical manifestations. ☑️For early localized disease (e.g. erythema migrans), the first-line therapy is doxycycline 100 mg twice daily for 10 – 21 days in adults, as it effectively covers…


💊NAPLEX MedFact. Azathioprine interacts with the anti-gout drug, allopurinol. ⚙️Mechanism: allopurinol inhibits xanthine oxidase, the enzyme responsible for metabolizing azathioprine’s active metabolite (6-mercaptopurine). ⚠️Effect: this greatly increases azathioprine levels,…


💊NAPLEX MedFact. A persistent, dry cough with ACE inhibitors occurs due to the accumulation of bradykinin and substance P in the respiratory tract: ☑️Normally, the enzyme angiotensin-converting enzyme (ACE) breaks down these substances, but ACE inhibitors block this process.…


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