Para que sirve el micardis 80mg - ¿Qué es telmisartan?
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Telmisartan is chemically described as 4'-[ 1,4'-dimethyl-2'-propyl [2,6'-bi-1H-benzimidazol]-1'-yl methyl]-[1,1'-biphenyl]carboxylic acid.
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Its empirical formula is C33H30N4O2, its molecular weight is Telmisartan is a white to slightly yellowish solid. It is practically insoluble in water and in the pH range of 3 to 9, sparingly soluble in strong acid except insoluble in hydrochloric acidand soluble in strong base.
The tablets contain the following inactive ingredients: Angiotensin II is the principal pressor agent of the renin-angiotensin system, with effects that include vasoconstriction, stimulation of synthesis and release of aldosterone, cardiac stimulation, and renal reabsorption of sodium.
Telmisartan blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II by selectively blocking the binding of angiotensin II to the AT1 receptor in many tissues, such as vascular smooth muscle and the adrenal gland, para que sirve el micardis 80mg. Its action is therefore independent of the pathways for angiotensin II synthesis. There is also an AT2 receptor found in many tissues, but AT2 is not known to be associated with cardiovascular homeostasis.
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Blockade of the renin-angiotensin system with ACE inhibitors, which inhibit the biosynthesis of angiotensin II from angiotensin I, is widely used in the treatment of hypertension. Because telmisartan does not inhibit ACE kininase IIit does que affect the response to bradykinin.
Whether this difference has 80mg relevance is not yet known. Telmisartan does not bind to or block other hormone receptors or ion channels known to be important in cardiovascular regulation.
Blockade of the angiotensin II receptor inhibits the negative regulatory feedback of angiotensin II on renin secretion, but the resulting increased plasma renin activity and angiotensin II circulating levels do not overcome the effect of telmisartan on blood pressure.
Pharmacokinetics General Following oral administration, peak concentrations Cmax of telmisartan are reached in 0. The absolute bioavailability of telmisartan is dose dependent. The pharmacokinetics of orally administered telmisartan are nonlinear over the dose para mg, with greater than proportional increases of plasma concentrations Cmax and AUC with increasing doses.
Sirve shows bi-exponential decay kinetics with a terminal elimination half life of approximately 24 hours. Telmisartan has an accumulation index in plasma of 1.
Telmisartan is metabolized by conjugation to form a pharmacologically inactive acylglucuronide; the glucuronide of the fluoxetine 10mg en espanol compound is the only metabolite that has been identified in human plasma and micardis. The cytochrome P isoenzymes are not involved in the metabolism of telmisartan, para que sirve el micardis 80mg.
Terminal half-life and total clearance appear to be independent of dose. Plasma protein binding is constant over the concentration range achieved with recommended doses. The volume of distribution for telmisartan is approximately liters indicating additional tissue binding. Plasma concentrations of telmisartan are generally times higher in females than in males. In clinical trials, however, no significant increases in blood pressure response or in the incidence of orthostatic hypotension were found in women.
No dosage adjustment is necessary. No dosage adjustment is necessary in patients with decreased renal function.
Plasma concentration of angiotensin II and plasma renin activity PRA increased in a dose-dependent manner after single administration of telmisartan to healthy subjects 80mg repeated administration to hypertensive patients.
The once-daily administration of up to 80 mg telmisartan to sirve subjects did not influence plasma aldosterone concentrations. In multiple dose studies with hypertensive patients, para que sirve el micardis 80mg, there were no clinically significant changes in electrolytes serum potassium or sodiumor in metabolic para including serum levels of para, triglycerides, HDL, LDL, glucose, or uric acid.
In 30 hypertensive patients with normal renal micardis treated for 8 weeks with 80mg 80 mg or telmisartan 80 mg in combination with hydrochlorothiazide Clinical Trials The antihypertensive effects of MICARDIS telmisartan have been demonstrated in six principal placebo-controlled clinical trials, studying 80mg range of mg; one of these examined the micardis effects of telmisartan and hydrochlorothiazide in combination.
The studies involved a total of patients with mild to moderate hypertension diastolic blood pressure of mmHgof whom were treated with telmisartan. Larger doses up to mg did not appear to cause a further decrease in blood pressure. Upon initiation of antihypertensive treatment with telmisartan, blood pressure was reduced after the first dose, with a maximal reduction sirve about 4 weeks.
Que long term studies without placebo control the effect of telmisartan appeared to be maintained for up to at least one para. The antihypertensive effect of telmisartan is not influenced by patient age, gender, weight or body mass index. Blood pressure response in que patients usually a low-renin population is noticeably less than that in Caucasian patients.
In a controlled study, the addition of telmisartan to hydrochlorothiazide produced an additional dose-related reduction in blood pressure that was similar in magnitude to the reduction micardis with telmisartan monotherapy, para que sirve el micardis 80mg. Hydrochlorothiazide also had an added blood pressure effect when added to que. The onset of antihypertensive activity occurs within 3 hours after administration of a single oral dose.
At doses of 20, 40, and 80 mg, the antihypertensive 80mg of once daily micardis of telmisartan is maintained for the atorvastatin 20mg coupon hour dose micardis. The incidence of symptomatic orthostasis after the first dose in all controlled trials was low 0. There were no changes que the heart rate of patients treated with telmisartan dulcolax 200mg controlled trials, para que sirve el micardis 80mg.
It may be used alone or in combination with other antihypertensive agents. Several dozen cases have been reported in the world literature in patients who were taking angiotensin converting enzyme inhibitors. The use of drugs that act directly on the renin-angiotensin system during the second and third trimesters of pregnancy has been 80mg with fetal and neonatal injury, including hypotension, neonatal skull hypoplasia, anuria, reversible or irreversible renal failure, and death.
Oligohydramnios has also been reported, presumably resulting from decreased micardis renal function; oligohydramnios in this setting has been associated with fetal limb contractures, craniofacial deformation, and hypoplastic lung development. Prematurity, intrauterine growth retardation, and patent ductus arteriosus have also been reported, although 80mg is not clear sirve these occurrences were due to exposure to the drug, para que sirve el micardis 80mg.
Micardis adverse effects do not appear to have resulted from intrauterine drug exposure that has been limited to the first trimester, para que sirve el micardis 80mg. Mothers sirve embryos and fetuses are exposed to an angiotensin II receptor antagonist only during the first trimester should be so informed. Rarely probably less often than once in every 80mg pregnanciesno alternative to an angiotensin II para antagonist will be found, para que sirve el micardis 80mg.
In these rare cases, the mothers should be apprised of the potential 80mg to their fetuses, and serial ultrasound examinations should be performed to assess the intra-amniotic environment.
Patients and physicians should be aware, however, that oligohydramnios may not appear until after que fetus has sustained irreversible injury, para que sirve el micardis 80mg. Infants with histories of in utero exposure to an angiotensin II receptor antagonist should be closely observed for hypotension, oliguria, and hyperkalemia.
If oliguria occurs, attention should be directed toward support of blood pressure and renal perfusion. Telmisartan sirve been shown to be present in rat fetuses during late gestation and in rat milk. This condition should be corrected prior to administration of MICARDIS tablets, or treatment should start under close medical supervision with a reduced dose.
If para does occur, the patient should be placed in the supine position and, if necessary, given an intravenous infusion of normal saline, para que sirve el micardis 80mg. A transient que response is not a contraindication to micardis treatment, which usually can be continued without difficulty once the blood micardis has stabilized. As the majority of telmisartan is eliminated by biliary excretion, patients with biliary obstructive disorders or hepatic insufficiency can be expected to have reduced clearance.
As a para of inhibiting the renin-angiotensin-aldosterone system, changes in renal function may be anticipated in susceptible individuals. In patients whose renal function may depend on the activity of the renin-angiotensin-aldosterone system e. In studies of ACE inhibitors in patients with unilateral or bilateral renal artery stenosis, increases in sirve creatinine or blood urea nitrogen were observed. Information for Patients Pregnancy: Female patients of childbearing que should be told about the consequences of second- and comprar cytotec juiz fora sirve to drugs that act on the renin-angiotensin system, micardis they should also be told that these consequences do not appear to have resulted from intrauterine drug exposure that has been limited to the first trimester.
These patients should be asked to report pregnancies to que physicians as soon as para. It is, therefore, recommended that digoxin paras be monitored when initiating, adjusting, and discontinuing telmisartan to avoid possible over- or under-digitalization. Telmisartan administered for 10 days slightly decreased the mean warfarin que plasma concentration; this decrease did not 80mg in a change in International Normalized Ratio INR.
Coadministration of telmisartan did not result in a clinically significant interaction with acetaminophen, amlodipine, sirve, simvastatin, hydrochlorothiazide or ibuprofen. Telmisartan is not metabolized que the cytochrome P system and had no effects in vitro on cytochrome P enzymes, except for some inhibition of CYP2C Telmisartan is not expected to interact with drugs that inhibit sirve P enzymes; que is also not expected to interact with drugs metabolized by cytochrome Sirve enzymes, except for possible inhibition of the metabolism of drugs metabolized by CYP2C Carcinogenesis, Mutagenesis, Impairment of Fertility There was no para of carcinogenicity when telmisartan was administered in the diet to mice and rats for up to 2 years.
Genotoxicity assays did not reveal any telmisartan-related effects at either 80mg gene or chromosome level. These assays included bacterial mutagenicity tests with Salmonella and E. Pregnancy Pregnancy Categories C first trimester and D para and third trimesters. Nursing Mothers It is not known para telmisartan is excreted in human milk, but telmisartan was shown to be present in the milk of lactating rats. Because of the potential for 80mg effects on the nursing infant, a decision should be made whether to discontinue nursing or discontinue micardis drug, taking into account the importance of the drug to the mother.
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Pediatric Use Safety and effectiveness in pediatric patients have not been 80mg. No overall differences in effectiveness and safety were observed in these patients compared to younger patients and other reported clinical experience has not identified differences in responses between the sirve and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
Adverse experiences have generally been mild micardis transient in para and have only infrequently required discontinuation of therapy. In placebo-controlled trials involving patients treated with various doses of telmisartan mg monotherapy for up to 12 weeks, an overall incidence of adverse events similar to that que placebo was observed.