Irbesartan: Difference between revisions
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[[Category: Drugs]][[Category: ]] | [[Category: Drugs]][[Category:Angiotensin II receptor Blockers ARB]] | ||
Irbesartan (中文：[[厄貝沙坦]]) | [[:Category: Cardiovascular Drug | '''Cardiovascular Drug''']] | ||
'''Drug class: [[:Category: Angiotensin II receptor Blockers ARB | Angiotensin II Receptor Blockers, ARB]] | |||
'''Irbesartan (APROVEL)''' (中文：[[厄貝沙坦]]) | |||
==Pronunciation== | ==Pronunciation== | ||
===Irbesartan 150mg (APROVEL 150mg)=== | ===Irbesartan 150mg (APROVEL 150mg)=== | ||
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Irbesartan relaxes and widens your blood vessels. This lowers your blood pressure and makes it easier for your heart to pump blood around your body. | Irbesartan relaxes and widens your blood vessels. This lowers your blood pressure and makes it easier for your heart to pump blood around your body. | ||
It is used to treat high blood pressure and heart failure. It helps to prevent future strokes, heart attacks and diabetic kidney disease. | It is used to treat high blood pressure and heart failure. It helps to prevent future strokes, heart attacks and diabetic kidney disease. | ||
If you have diabetic kidney disease, it helps to protect your kidneys and slows down the disease. It reduces high blood pressure and the amount of protein you lose through your kidneys. | If you have diabetic kidney disease, it helps to protect your kidneys and slows down the disease. It reduces high blood pressure and the amount of protein you lose through your kidneys. | ||
==Route of Administration== | ==Route of Administration== | ||
Irbesartan is given orally as tablets. | Irbesartan is given orally as tablets. | ||
After a dose the hypotensive effect peaks within 3 to 6 hours and persists for at least 24 hours. The maximum hypotensive effect is achieved within 4 to 6 weeks after starting therapy. | After a dose the hypotensive effect peaks within 3 to 6 hours and persists for at least 24 hours. The maximum hypotensive effect is achieved within 4 to 6 weeks after starting therapy. | ||
== | ==Dosages== | ||
*For both high blood pressure and diabetic kidney disease | *For both high blood pressure and diabetic kidney disease | ||
**150 mg to 300 mg once a day | **150 mg to 300 mg, taken once a day. | ||
* | *Over 75 year old, or have liver or kidney problems | ||
**The dose may be lower | **The dose may be lower. | ||
**Initially 75 mg | **Initially 75 mg - 150 mg once a day. | ||
==Side Effects== | ==Side Effects== | ||
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!Adverse reactions | !Adverse reactions | ||
|- | |- | ||
| rowspan="5" |'''Common (≥1/100 to <1/10) | | rowspan="5" | '''Common (≥1/100 to <1/10) | ||
| Musculoskeletal pain | | Musculoskeletal pain | ||
|- | |- | ||
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| Hyperkalemia | | Hyperkalemia | ||
|- | |- | ||
| rowspan="4" |'''Very | | rowspan="4" | '''Very rare (<1/10,000) | ||
| Dizziness | | Dizziness | ||
|- | |- | ||
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==Pharmacokinetics== | ==Pharmacokinetics== | ||
*Peak plasma | *Peak plasma concentration of irbesartan occur 1.5 to 2 hours after an oral dose. | ||
*Irbesartan is about 96% bound to plasma proteins. | *Irbesartan is about 96% bound to plasma proteins. | ||
*It undergoes some metabolism in the liver, primarily by the cytochrome P450 isoenzyme CYP2C9, to inactive metabolites. | *It undergoes some metabolism in the liver, primarily by the cytochrome P450 isoenzyme CYP2C9, to inactive metabolites. | ||
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Monitor plasma-potassium concentration, particularly in the elderly and in patients with renal impairment. | Monitor plasma-potassium concentration, particularly in the elderly and in patients with renal impairment. | ||
'''Drug | '''Drug Interaction | ||
*Diuretics | *Diuretics | ||
**Enhanced hypotensive effect when given with diuretics | **Enhanced hypotensive effect when given with diuretics. | ||
*Potassium sparing diuretics ( | *Potassium sparing diuretics (Triamterene, Amiloride and Spironolactone) or Potassium supplement | ||
**Increase risk of hyperkalemia | ** Increase risk of hyperkalemia. | ||
'''Caution | '''Caution | ||
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'''Contraindication | '''Contraindication | ||
The concomitant use of irbesartan with aliskiren-containing products is contraindicated in patients with diabetes mellitus or renal impairment (if eGFR < | The concomitant use of irbesartan with aliskiren-containing products is contraindicated in patients with diabetes mellitus or renal impairment. (if eGFR < 60 mL/minute/1.73m<sup>2</sup>) | ||
==FAQs== | ==FAQs== | ||
'''How should I take the tablet? | '''How should I take the tablet? | ||
Usually take irbesartan tablet once a day. | |||
Your doctor may suggest that you take your first dose before bedtime, because it can make you dizzy. After the very first dose, you can take irbesartan at any time of day. | |||
You can take irbesartan tablet with or without food. Swallow the tablet whole with a drink of water. | |||
'''What should I avoid while taking? | '''What should I avoid while taking? | ||
Avoid potassium-containing salt substitutes or potassium supplements, unless your doctor has told you to. | Avoid potassium-containing salt substitutes or potassium supplements, unless your doctor has told you to. | ||
'''What happens if I miss a dose? | '''What happens if I miss a dose? | ||
If you forget to take a dose and you usually take candesartan: | If you forget to take a dose and you usually take candesartan: | ||
*Once a day: Take it as soon as you remember unless it is less than 12 hours until your next dose. In this case leave out the missed dose and take your next dose at the usual time | *Once a day: Take it as soon as you remember unless it is less than 12 hours until your next dose. In this case leave out the missed dose and take your next dose at the usual time. | ||
Never take 2 doses to make up for a forgotten one. | Never take 2 doses to make up for a forgotten one. | ||
Latest revision as of 22:53, 4 September 2024
Drug class: Angiotensin II Receptor Blockers, ARB
Irbesartan (APROVEL) (中文：厄貝沙坦)
Pronunciation[edit]
Irbesartan 150mg (APROVEL 150mg)[edit]
Common Strengths of Irbesartan[edit]
Irbesartan is available in the following strengths:
- 150 mg
- 300 mg
Drug Trade Names of Irbesartan[edit]
The brand names for irbesartan is Aprovel.
Mechanism of Action[edit]
Irbesartan is an angiotensin II receptor blocker.
Irbesartan relaxes and widens your blood vessels. This lowers your blood pressure and makes it easier for your heart to pump blood around your body.
It is used to treat high blood pressure and heart failure. It helps to prevent future strokes, heart attacks and diabetic kidney disease.
If you have diabetic kidney disease, it helps to protect your kidneys and slows down the disease. It reduces high blood pressure and the amount of protein you lose through your kidneys.
Route of Administration[edit]
Irbesartan is given orally as tablets.
After a dose the hypotensive effect peaks within 3 to 6 hours and persists for at least 24 hours. The maximum hypotensive effect is achieved within 4 to 6 weeks after starting therapy.
Dosages[edit]
- For both high blood pressure and diabetic kidney disease
- 150 mg to 300 mg, taken once a day.
- Over 75 year old, or have liver or kidney problems
- The dose may be lower.
- Initially 75 mg - 150 mg once a day.
Side Effects[edit]
| Frequency | Adverse reactions |
|---|---|
| Common (≥1/100 to <1/10) | Musculoskeletal pain |
| Nausea | |
| Vomiting | |
| Hypotension | |
| Hyperkalemia | |
| Very rare (<1/10,000) | Dizziness |
| Fatigue | |
| Cough | |
| Hyponatremia |
Pharmacokinetics[edit]
- Peak plasma concentration of irbesartan occur 1.5 to 2 hours after an oral dose.
- Irbesartan is about 96% bound to plasma proteins.
- It undergoes some metabolism in the liver, primarily by the cytochrome P450 isoenzyme CYP2C9, to inactive metabolites.
- It is excreted as unchanged drug and metabolites in the bile and in urine.
- The terminal elimination half-life is about 11 to 15 hours.
Drug Management[edit]
Pregnancy
Should be avoided in pregnancy unless essential.
Breast Feeding
They are not recommended.
Monitoring Requirements
Monitor plasma-potassium concentration, particularly in the elderly and in patients with renal impairment.
Drug Interaction
- Diuretics
- Enhanced hypotensive effect when given with diuretics.
- Potassium sparing diuretics (Triamterene, Amiloride and Spironolactone) or Potassium supplement
- Increase risk of hyperkalemia.
Caution
- Aortic or mitral valve stenosis
- Hypertrophic cardiomyopathy
- Patients with a history of angioedema
- Patients with primary aldosteronism
Contraindication
The concomitant use of irbesartan with aliskiren-containing products is contraindicated in patients with diabetes mellitus or renal impairment. (if eGFR < 60 mL/minute/1.73m2)
FAQs[edit]
How should I take the tablet?
Usually take irbesartan tablet once a day.
Your doctor may suggest that you take your first dose before bedtime, because it can make you dizzy. After the very first dose, you can take irbesartan at any time of day.
You can take irbesartan tablet with or without food. Swallow the tablet whole with a drink of water.
What should I avoid while taking?
Avoid potassium-containing salt substitutes or potassium supplements, unless your doctor has told you to.
What happens if I miss a dose?
If you forget to take a dose and you usually take candesartan:
- Once a day: Take it as soon as you remember unless it is less than 12 hours until your next dose. In this case leave out the missed dose and take your next dose at the usual time.
Never take 2 doses to make up for a forgotten one.
