What is the structure activity relationship of thiazide diuretics?
What is the structure activity relationship of thiazide diuretics?
General structure activity of thiazide diuretics can be summarized as: Chlorothiazide is the simplest member of the series. Hydrogen atom at the 2-N is most acidic due to presence of electron-withdrawing group. Sulfonamide group at C-7 position provides additional acidity to the drug.
What are the drug interactions of diuretics?
Some medications that might interact with a diuretic include:
- cyclosporine (Restasis)
- antidepressants such as fluoxetine (Prozac) and venlafaxine (Effexor XR)
- lithium.
- digoxin (Digox)
- other drugs for high blood pressure.
What is the mechanism of action of diuretics?
They act by diminishing sodium reabsorption at different sites in the nephron, thereby increasing urinary sodium and water losses. A second class of diuretics, sometimes termed aquaretics, instead inhibit water reabsorption by blocking vasopressin receptors along the connecting tubule and collecting duct.
What are thiazide diuretics drugs?
What are Thiazide diuretics? Thiazide diuretics are a type of diuretic (a drug that increases urine flow). They act directly on the kidneys and promote diuresis (urine flow) by inhibiting the sodium/chloride cotransporter located in the distal convoluted tubule of a nephron (the functional unit of a kidney).
What are diuretics give examples?
Examples of loop diuretics include: Bumetanide (Bumex) Ethacrynic acid (Edecrin) Furosemide (Lasix)…Examples of thiazide diuretics taken by mouth include:
- Chlorothiazide.
- Chlorthalidone.
- Hydrochlorothiazide.
- Indapamide.
- Metolazone.
What are loop diuretics?
Diuretics are medicines that increase urine flow (cause diuresis). Loop diuretics are a powerful type of diuretic that work by inhibiting the sodium-potassium-chloride (Na+/K+/2Cl) co-transporter in the thick ascending loop of Henle (hence the name loop diuretic), which is located in the kidneys.
What are the contraindications of diuretics?
Cautions and contraindications Diuretics are contraindicated in patients with known drug hypersensitivity and those with electrolyte imbalance. They should be used cautiously in anyone with renal dysfunction, as changes in blood flow and kidney perfusion may further compromise a diseased kidney.
Why do diuretics cause hypokalemia?
Because loop and thiazide diuretics increase sodium delivery to the distal segment of the distal tubule, this increases potassium loss (potentially causing hypokalemia) because the increase in distal tubular sodium concentration stimulates the aldosterone-sensitive sodium pump to increase sodium reabsorption in …
What is a common side effect of diuretics?
Side effects include increased urination and sodium loss. Diuretics can also affect blood potassium levels. If you take a thiazide diuretic, your potassium level can drop too low (hypokalemia), which can cause life-threatening problems with your heartbeat.
What are two diuretic examples?
Mechanism of action
| Examples | |
|---|---|
| Loop diuretics | bumetanide, ethacrynic acid, furosemide, torsemide |
| Osmotic diuretics | glucose (especially in uncontrolled diabetes), mannitol |
| Potassium-sparing diuretics | amiloride, spironolactone, eplerenone, triamterene, potassium canrenoate. |
| Thiazides | bendroflumethiazide, hydrochlorothiazide |
What is the mechanism of action of norfloxacin?
Norfloxacin is a quinolinemonocarboxylic acid with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin is bactericidal and its mode of action depends on blocking of bacterial DNA replication by binding itself to an enzyme called DNA gyrase.
How is norfloxacin used to treat urinary tract infections?
Norfloxacin is a first generation fluoroquinolone that is typically used to treated urinary tract infections and prostatitis. Norfloxacin has been linked to rare instances of acute hepatocellular injury. Norfloxacin is a quinolinemonocarboxylic acid with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria.
Which is the chemical formula for norfloxacin 70458?
Norfloxacin PubChem CID 4539 Structure Find Similar Structures Chemical Safety Laboratory Chemical Safety Summary (LCSS Molecular Formula C16H18FN3O3 Synonyms norfloxacin 70458-96-7 Norfloxacine Noro
What makes norfloxacin effective against Gram positive bacteria?
Norfloxacin is a broad-spectrum antibiotic agent that is shown to be effective against various Gram-positive and Gram-negative bacterial species. The fluorine atom at the 6 position increases potency against gram-negative organisms, and the piperazine moiety at the 7 position is responsible for anti-pseudomonal activity