Brand: Prinvil, Zestril

Drug Type: ACE inhibitors

Form: Tablet

Age limit: 18 years and above

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Zestril 5mg Tablet is a widely used drug to treat cases of high blood pressure. It is better to reduce the blood pressure. It helps patients survive longer after a heart attack and treats heart failure

The group of medications known as ACE inhibitors includes lisinopril. To facilitate easier blood flow, it acts by relaxing blood vessels.

It is used in treating heart failure in conjunction with other drugs (a condition where the heart cannot pump sufficient blood). By relaxing the blood arteries and encouraging the free flow of blood, this medicine lowers the risk of heart attack and stroke.


Administer Zestril 5mg Tablet by mouth once daily. 

The suggestion that one should take this medicine before bed is to gauge the effect it has on one’s functioning. 

After the initial dose, this medication can be taken at any time of the day. 

This medicine works better if it is taken at the same time everyday. There is consistency to this. One will not forget to take this medication. 

The doctor examines patients situation and decides the dosage schedule for a stipulated time. 


The side effects of taking a Zestril 5mg Tablet appear differently in different people. 

A higher dose of the medication could result in intense side effects. 

The effects mentioned below.

  • Cough
  • Fatigue
  • Irregular heartbeat
  • Confusion
  • Itching
  • Loss of appetite
  • Sore throat
  • Low BP

If the side effects persist, then consult the doctor. The physician knows how to deal with and manage the side effects. Unwanted side effects occur if the medicine is not duly taken. 

The rare side effects may occur in some patients. It is tough to foresee the side effects that may arise. 

One must build up their immunity. The side effects may not be so severe for patients with increased immunity. 


The dosage structure varies for each disease. 

Zestril dosage for high blood pressure- 

The initial dose of Zestril is 10 mg once daily when used alone to treat high blood pressure. The typical maintenance dosage range is 20 to 40 mg administered once daily. If you have high blood pressure, Zestril should not be taken more than 80 mg daily.

Zestril dosage for high blood pressure when combined with other blood pressure drugs-

The initial dose of Zestril is 5 mg once daily if you take it along with diuretics to treat high blood pressure. The medications hydrochlorothiazide and furosemide are examples of diuretics (Lasix).

As expected, the dosage for each disease varies. The doctor or pharmacist indicates the correct dosage to the patient. 


  1. The doctor is made aware of all the patients medical problems like kidney problems, liver problems, and enlarged prostate. 
  2. Adverse side effects of combining Zestril 5mg Tablet with other medicines exist. Speak to the doctor if these side effects occur. 
  3. A regular check-up for maintaining blood sugar levels, kidney functioning, and blood pressure should be done when on this medication to avoid any ill effects.  
  4. This medicine is not recommended at the stage of pregnancy. It harms the baby. A safer and more effective alternative is provided to pregnant women.  
  5. No safety studies have been done on the efficacy of this medicine on children below the age of six years. The doctor may prescribe other alternatives to these children. It is not advisable to give this medicine to a child.  

The doctor is the authority on what to avoid when taking this medication. Some precautions heeded are for a better outcome. 


Zestril 5mg Tablet interacts with other medicines and can reduce the effectiveness of the medication taken. The doctor informs the patient about the drugs that should not be mixed.

The other drugs it interacts with stated below:

  • Gabapentin
  • Coreg
  • Lasix
  • Norvasc
  • Prilosec
  • Zocor
  • Vitamin D3
  • Lopressor
  • Aspirin Low Strength

CHF, Liver disease, and Bone marrow suppression interact with this tablet. These diseases may have adverse reactions on a patient.  


Active Ingredient Inactive Ingredients
Lisinopril Maize starch
Pregelatinized starch
Magnesium stearate
Red iron oxide (E172)

2.5MG, 5MG, 10MG

No. of Pills

60 Pills, 90 Pills, 120 Pills, 180 Pills, 270 Pills, 360 Pills

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