DRUGS & SUPPLEMENTS
Teva-Valsartan is an antihypertensive drug. This medication is a specific antagonist of angiotensin II. It has a selective antagonistic effect on AT1-receptors, which are responsible for implementing the effects of angiotensin II.
Due to the blockade of AT1-receptors the plasma concentrations of angiotensin II increased, which may stimulate the unblocked AT2-receptors. This medicine has no agonistic activity against AT1-receptor. The affinity of Teva-Valsartan for AT1-receptors in about 20 000 times higher than that of AT2-receptors.
Teva-Valsartan does not inhibit ACE. This drug has no interaction and does not block other hormone receptors or ion channels important for regulation of the cardiovascular system.
This medication has no effect on total cholesterol, triglycerides, glucose and uric acid in blood plasma.
A start of antihypertensive action of Teva-Valsartan after its oral administration in a single dose occurs within 2 h after administration, the maximum effect is achieved within 4-6 h.
After oral administration Teva-Valsartan is rapidly absorbed from the gastrointestinal tract, the extent of absorption is characterized by individual differences. The absolute bioavailability is average 23%.
In course of treatment with this medication there were not noted changes of pharmacokinetic parameters.
When administered with food Teva-Valsartan AUC decreased by 48%, with approximately 8 hours after administration of Teva-Valsartan in plasma concentrations of the same in patients taking it with food and fasting. AUC decrease is not accompanied by clinically significant reduction in therapeutic effect.
When you receive Teva-Valsartan 1 time / day the accumulation is expressed only slightly. The concentration of Teva-Valsartan in the blood plasma of women and men were equal. The binding with plasma proteins, primarily to albumin is 94-97%.
The plasma clearance of Teva-Valsartan is about 2 L / h. This medication is excreted in the feces 70% and in urine 30%, largely unchanged.
When biliary cirrhosis or biliary obstruction AUC of Teva-Valsartan is increased approximately 2-fold.
Why is Teva-Valsartan prescribed?
A treatment of hypertension. A treatment of chronic heart failure in patients receiving conventional therapy with diuretics, digitalis preparations, as well as ACE inhibitors or beta-blockers.
Dosage and administration
Teva-Valsartan is taken orally in dose 80 mg daily 1 time / day or 40 mg 2 times / day. In the absence of adequate effect the daily dose may be gradually increased. The maximum daily dose is 320 mg in 2 divided doses.
Teva-Valsartan side effects, adverse reactions
Cardiovascular system: hypotension, postural dizziness, postural hypotension.
CNS: dizziness, headache.
Digestive system: diarrhea, nausea, increased bilirubin levels.
Urinary system: rarely - renal failure, increased creatinine and BUN.
Hematopoietic system: neutropenia, a decrease in hemoglobin and hematocrit.
Allergic reactions: rarely - angioedema, rash, pruritus, serum sickness, vasculitis.
Other: fatigue, weakness, cough, sore throat, increased risk of viral infections.
Pregnancy, hypersensitivity to Teva-Valsartan.
Using during pregnancy and breastfeeding
Teva-Valsartan is contraindicated during pregnancy. It is not known whether Teva-Valsartan is allocated to breast milk in humans. Use during lactation is not recommended.
Experimental studies have shown that this medication is excreted in breast milk of rats.
Category of the fetus by FDA - D.
When hyponatremia and / or reduction of the BCC, as well as during treatment with high doses of diuretics, Teva-Valsartan, in rare cases can cause pronounced hypotension.
Before starting treatment it should be the correction of violations of water-salt metabolism.
In patients with renovascular hypertension, which developed secondary to renal artery stenosis, in the period of treatment should regularly monitor the level of urea and creatinine in serum. There is no data on the safety of patients with CC than 10 ml / min.
With great caution use in patients with impaired patency of the biliary tract.
Due to inhibition of the RAAS in patients predisposed to changes in renal function.
With use of ACE inhibitors and angiotensin receptor antagonists in patients with chronic heart failure severity of the observed oliguria and / or increase azotemia, rarely developed acute renal failure with risk of death.
Safety and efficacy of Teva-Valsartan in children has not been established.
If use Teva-Valsartan it is recommended a caution when driving and management mechanisms.
Teva-Valsartan drug interactions
When this drug applied simultaneously with:
- diuretics in high doses it may developed hypotension.
- potassium-sparing diuretics, heparin, dietary supplements or salt substitutes containing potassium may develop hyperkalemia.
- indomethacin may decrease the antihypertensive action of Teva-Valsartan.
- lithium carbonate, described the case of lithium toxicity.
Teva-Valsartan in case of emergency / overdose
Symptoms: hypotension, tachycardia or bradycardia.
Treatment: symptomatic therapy, dialysis is not effective.
Teva-Valsartan pharmaceutical active ingredients containing related brand and generic drugs:
Active ingredient is the part of the drug or medicine which is biologically active. This portion of the drug is responsible for the main action of the drug which is intended to cure or reduce the symptom or disease. The other portions of the drug which are inactive are called excipients; there role is to act as vehicle or binder. In contrast to active ingredient, the inactive ingredient's role is not significant in the cure or treatment of the disease. There can be one or more active ingredients in a drug.
Teva-Valsartan available forms, composition, doses:
Form of the medicine is the form in which the medicine is marketed in the market, for example, a medicine X can be in the form of capsule or the form of chewable tablet or the form of tablet. Sometimes same medicine can be available as injection form. Each medicine cannot be in all forms but can be marketed in 1, 2, or 3 forms which the pharmaceutical company decided based on various background research results.
Composition is the list of ingredients which combinedly form a medicine. Both active ingredients and inactive ingredients form the composition. The active ingredient gives the desired therapeutic effect whereas the inactive ingredient helps in making the medicine stable.
Doses are various strengths of the medicine like 10mg, 20mg, 30mg and so on. Each medicine comes in various doses which is decided by the manufacturer, that is, pharmaceutical company. The dose is decided on the severity of the symptom or disease.
Teva-Valsartan destination | category:
Destination is defined as the organism to which the drug or medicine is targeted. For most of the drugs what we discuss, human is the drug destination.
Drug category can be defined as major classification of the drug. For example, an antihistaminic or an antipyretic or anti anginal or pain killer, anti-inflammatory or so.
Teva-Valsartan Anatomical Therapeutic Chemical codes:
A medicine is classified depending on the organ or system it acts [Anatomical], based on what result it gives on what disease, symptom [Therapeutical], based on chemical composition [Chemical]. It is called as ATC code. The code is based on Active ingredients of the medicine. A medicine can have different codes as sometimes it acts on different organs for different indications. Same way, different brands with same active ingredients and same indications can have same ATC code.
Teva-Valsartan pharmaceutical companies:
Pharmaceutical companies are drug manufacturing companies that help in complete development of the drug from the background research to formation, clinical trials, release of the drug into the market and marketing of the drug.
Researchers are the persons who are responsible for the scientific research and is responsible for all the background clinical trials that resulted in the development of the drug.
Frequently asked QuestionsCan i drive or operate heavy machine after consuming Teva-Valsartan?
Depending on the reaction of the Teva-Valsartan after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Teva-Valsartan not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.Is Teva-Valsartan addictive or habit forming?
Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.
Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.
ReviewsDrugs.com conducted a study on Teva-Valsartan, and the result of the survey is set out below. It is noteworthy that the product of the survey is based on the perception and impressions of the visitors of the website as well as the views of Teva-Valsartan consumers. We, as a result of this, advice that you do not base your therapeutic or medical decisions on this result, but rather consult your certified medical experts for their recommendations.
The information was verified by Dr. Arunabha Ray, MD Pharmacology