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Buy Cozaar Online from Canadian Pharmacy

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Cozaar (Losartan) is an angiotensin II receptor blocker used to treat high blood pressure, reduce stroke risk in hypertensive patients with left ventricular hypertrophy and manage diabetic nephropathy in type 2 diabetes. Dosages range from 25 to 100 mg, taken once or twice daily. Patients should follow their doctor’s instructions and monitor for side effects like dizziness and changes in blood pressure. Cozaar is contraindicated in pregnancy and patients with certain liver or kidney problems. It requires a prescription and should be stored at room temperature.

Product Overview

Cozaar, containing the active ingredient losartan, is an angiotensin II receptor blocker (ARB) used primarily to manage high blood pressure (hypertension) in adults and some children. It is an FDA-approved medication effective in reducing the risk of stroke in adults with hypertension and left ventricular hypertrophy and treating diabetic nephropathy in type 2 diabetes patients with a history of hypertension. Losartan works by relaxing blood vessels, lowering blood pressure, and improving blood flow.

Available in multiple strengths, Cozaar is taken once or twice daily, with or without food. The dosage is adjusted based on the patient’s age, condition, and response to the medication. Patients must follow their healthcare provider’s instructions and regularly monitor their progress. It is better to be aware of potential side effects, including dizziness, upper respiratory infections, and changes in blood pressure. Serious side effects may include high potassium levels and kidney disease symptoms. 

Cozaar is contraindicated in patients with allergies to its components, pregnant women, and those with liver or kidney problems. Store Cozaar at room temperature, away from moisture and heat, and keep it out of reach of children. Patients should consult their healthcare provider for guidance on missed doses, potential drug interactions, and specific warnings, including the risk of harm to unborn babies and the need for effective birth control.

Uses of Cozaar

  • Lowers high blood pressure in adults and some children.  
  • Reduce the chance of stroke in adults with high blood pressure and a condition where the heart’s left ventricle walls thicken.
  • Treat a type of kidney disease caused by diabetes in certain adults with type 2 diabetes who have or had high blood pressure.

How to Use Cozaar?


Strengths and Forms

  • 25mg
  • 50mg
  • 100mg

Recommended Dosage for Different Patients

Dosage for High Blood Pressure (Hypertension)

Adult Dosage (Ages 18–64 Years)

  • Starting dose: 50 mg once daily.
  • Dosage range: 25 to 100 mg per day.
  • Frequency: Once or twice per day.

Child Dosage (Ages 6–17 Years)

  • Dosage is based on the child’s weight, typically around 0.7 mg/kg of body weight once daily.
  • The dosage may be adjusted based on the child’s response to the medication.

Child Dosage (Ages 0–5 Years)

  • This medication is not recommended for children under 6 years of age.

Senior Dosage (Ages 65 Years and Older)

  • No specific recommendations for seniors, but they may need a lower dosage or a different dosing schedule due to slower drug processing in the body.

Dosage for Diabetic Nephropathy

Adult Dosage (Ages 18–64 Years)

  • Starting dose: 50 mg once daily.
  • If needed, the doctor may increase the dosage to 100 mg daily.
  • Frequency: Once or twice per day.

Child Dosage (Ages 0–17 Years)

  • This medication is not recommended for children under 17 years of age for this condition.

Senior Dosage (Ages 65 Years and Older)

  • No specific recommendations for seniors, but they may need a lower dosage or a different dosing schedule due to slower drug processing in the body.

Dosage to Reduce Stroke Risk in People with High Blood Pressure and Left Ventricular Hypertrophy

Adult Dosage (Ages 18–64 Years)

  • Typical dosage: 50 mg once daily.
  • If needed, the doctor may increase the dosage to 100 mg daily.
  • Frequency: Once or twice per day.

Child Dosage (Ages 0–17 Years)

  • This medication is not recommended for children under 17 years of age for this condition.

Senior Dosage (Ages 65 Years and Older)

  • No specific recommendations for seniors, but they may need a lower dosage or a different dosing schedule due to slower drug processing in the body.

Special Dosage Considerations

For individuals with liver problems: If someone has mild to moderate liver issues, their doctor may reduce the starting dosage to 25 mg daily.

[Note: Remember these recommendations may vary depending on person to person. Discuss it with your doctor, and they’ll customize your dosage accordingly.]

How to Take It?

  • Take Cozaar exactly as directed by your doctor.
  • Read all instructions on your prescription label and review any medication guides or instruction sheets.
  • Your doctor may adjust your dose from time to time.
  • Cozaar is typically taken once daily.
  • You can take Cozaar with or without food.

[Note: Your doctor will decide the right amount for you based on your condition, following guidelines and studies on the drug. They’ll adjust it as needed over time.]

How Does Cozaar Work?

Cozaar (losartan) operates by blocking the action of an angiotensin II hormone. This hormone narrows blood vessels, causing blood pressure to rise. Cozaar relaxes and widens blood vessels by inhibiting angiotensin II, lowering blood pressure, and improving blood flow. It is particularly effective in treating conditions like hypertension and protecting the kidneys from damage due to diabetes.

Important Safety Information

Side Effects

Common Side Effects

Here are the more common side effects of losartan listed in points:

  • Upper respiratory infections, such as the common cold
  • Dizziness
  • Stuffy nose
  • Back pain
  • Diarrhea
  • Fatigue
  • Low blood sugar
  • Chest pain
  • High or low blood pressure

Adverse/Serious Side Effects

Serious side effects and their symptoms include:

  • High potassium blood levels, with symptoms such as:
    • Heart rhythm problems
    • Muscle weakness
    • Slow heart rate
  • Allergic reactions, with symptoms such as:
    • Swelling of the face, lips, throat, or tongue
  • Low blood pressure, with symptoms such as:
    • Feeling faint or dizzy
  • Kidney disease, with symptoms such as:
    • Swelling in the feet, ankles, or hands
    • Unexplained weight gain

[Note: Remember, this list may not cover all possible side effects. Always consult with your healthcare giver for medical advice about side effects.]


Allergy Warning:

  • Severe allergic reactions to losartan can occur.
  • Symptoms include trouble breathing, swelling of the throat or tongue, and hives.
  • If these symptoms develop, seek emergency medical attention immediately.
  • Do not take losartan again if you have had an allergic reaction to it, as it could be fatal.

Alcohol Interaction Warning:

  • Drinking alcohol while taking losartan can potentially result in sedativeness, leading to slowed response time, sleepiness, and poor judgment.
  • This can be dangerous when driving or using machinery.
  • Alcohol can also enhance the blood pressure-lowering effect of losartan, increasing the risk of too-low blood pressure.

Low Blood Pressure Warning:

  • Losartan may cause low blood pressure, leading to dizziness or faintness.
  • If this occurs, lie down and contact your doctor.

Warnings for People with Certain Health Conditions:

  • Losartan can be harmful if you have kidney disease. Indications of worsening kidney disease include swollen hands, feet, or ankles and unexplained weight gain.
  • If you have liver problems, your body may not process losartan effectively. Your doctor may adjust your dosage.
  • Do not take losartan if you have diabetes and are taking Aliskiren. This combination can increase the risk of side effects such as low blood pressure, kidney damage, and high potassium levels. 

Warnings for Other Groups:

  • Losartan is a category D pregnancy drug, indicating a risk of adverse effects on the fetus. It should only be used if the potential benefit justifies the risk.
  • It is unclear if losartan passes into breast milk. Discuss with your doctor whether to continue breastfeeding or taking losartan.
  • Older adults may process drugs more slowly, requiring a lower dosage or different dosing schedule.
  • Losartan should not be used in children under 6 years old with high blood pressure.
  • Losartan may not be as effective in Black people with specific health problems. Consult a doctor for more information.

Boxed Warning 

Stop using the drug as soon as pregnancy is detected. The drug affects the renin-angiotensin system, which can lead to low amniotic fluid (oligohydramnios), potentially causing injury or death to the fetus.


  • Regularly visit your doctor to ensure the medicine works correctly and check for any unwanted effects through blood and urine tests.
  • Do not use this medicine during pregnancy, as it can harm the unborn baby. Use effective birth control and inform your doctor immediately if you suspect pregnancy.
  • Be cautious of dizziness or lightheadedness after the first dose, especially if you’ve been taking a diuretic. Avoid driving or operating machinery until you know how the medicine affects you.
  • Contact your doctor immediately if you experience severe or persistent nausea, vomiting, or diarrhea, as these may lead to dehydration and low blood pressure. Drink plenty of water during exercise or in hot weather to prevent dehydration.
  • Consult your doctor before using any medicines, supplements, or salt substitutes containing potassium.
  • Avoid alcohol until you have discussed its use with your doctor, as it may worsen low blood pressure effects or increase dizziness or fainting.
  • Do not take other medicines, including prescription, nonprescription, or herbal supplements, without discussing them with your doctor.

Cozaar Contraindications

Cozaar is contraindicated in patients who:

  • Have an allergy to any part of this medication.
  • Are diabetic and using it in combination with Aliskiren.

Missed Dose

If a person misses a dose, they should take it as soon as they remember. However, if it’s only a few hours until the next scheduled dose, they should skip the missed dose and take the next one at the regular time. They should not take two doses at once to make up for the missed dose, which could lead to harmful side effects.

[Note: If you have missed a medication dose and are unsure when to take the next one, immediately consult your doctor or pharmacist.]


If someone takes too much losartan, they might experience symptoms such as a pounding sensation in their heart, weakness, and dizziness.

[Note: If you consumed more than recommended dose, get medical help right away, or call the Poison Help line at 1-800-222-1222.]


  • Store the medication at room temperature, away from moisture and heat.
  • Keep it in the original container, tightly closed, and out of children’s reach.
  • Avoid exposing it to extreme temperatures and direct sunlight.
  • Do not store it in bathrooms or near kitchens to prevent exposure to water or humidity.
  • If the medication’s color, odor, or texture changes, do not use it and dispose of it according to local regulations.

[Note: Discuss with your healthcare professional about the proper disposal of any unused medicine and any questions you may have regarding its storage.]

Cozaar Interactions

  • Cytochrome P450 Inhibitors
  • Potassium-Sparing Diuretics
  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)
  • Potassium Supplements
  • Salt Substitutes Containing Potassium
  • Medications That May Increase Serum Potassium
  • Diuretics (Water Pills)
  • Lithium (used to treat certain types of depression)

[Note: This isn’t a complete list, and there could be other drugs that interact with Cozaar. Make sure to tell your doctor any prescription, over-the-counter medicines, and herbal products you’re taking.]

Cozaar Alternatives

[Note: Your doctor will choose what’s best for you. Don’t use any of these alternative medications without consulting your healthcare provider. Taking them by yourself may cause serious side effects.] 

Frequently Asked Questions

Is Cozaar (Losartan) safe to use during pregnancy?

Cozaar (Losartan) may lead to potential risks, including reduced amniotic fluid and harm to the baby’s kidneys and lungs. Pregnant individuals or those planning to conceive should consult a healthcare provider for alternative options if a woman becomes pregnant while on Cozaar. Medical advice should be sought promptly to discuss potential risks and determine the best course for both mother and baby.

How long does it take for Cozaar (Losartan) to start working?

Cozaar (Losartan) typically shows its effects within 3 to 6 weeks of consistent use. However, some individuals might experience improvements in blood pressure sooner. It’s important to continue taking the medication as prescribed, even if immediate changes aren’t noticed, as it may take time for Cozaar to reach its full therapeutic potential in regulating blood pressure. Regular monitoring by a healthcare provider is essential to assess its effectiveness and make any necessary adjustments.

What is the optimal time to take losartan (Cozaar)?

The ideal time to take blood pressure medications like losartan (Cozaar) is not definitively established. Some research suggests that taking these medications at night may better control blood pressure and reduce the risk of serious heart issues. However, this finding is not consistently supported by all studies. Since losartan (Cozaar) has 24-hour effectiveness, the exact dose timing may not be crucial. The most important factor is to take losartan (Cozaar) at the same time every day to ensure its maximum effectiveness.

Is it safe to take losartan (Cozaar) if I have kidney issues?

The FDA approves Losartan (Cozaar) to slow the progression of kidney problems in individuals with high blood sugar and high blood pressure. However, it may not be suitable for those with severe kidney issues. People with kidney problems are at an increased risk for specific side effects of losartan (Cozaar), such as elevated potassium levels, which can be harmful. If you have kidney issues, consult your healthcare provider to determine if losartan (Cozaar) suits you. Your provider may advise periodic lab tests to monitor your kidney function if you begin this medication.

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