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Lotak 50mg Tablet

20 Tablet(s) in Strip

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Losartan(50.0 Mg)
Therapeutic classification

Medical Description

The primary medicine used in the composition of Lotak 50mg Tab is losartan, which belongs to a group of medicines known to lower increased blood pressure (angiotensin-II receptor antagonists).
    Side effects
    Precautions and Warnings
    Mode of Action
    Directions for Use
    Storage and disposal
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Uses of Lotak 50mg Tab

  • High blood pressure
  • Chronic heart failure
  • Heart attack (myocardial infarction) causing dysfunction of left lower chamber of the heart
  • Diabetic kidney disease

Contraindications of Lotak 50mg Tab

  • Pregnancy
  • Allergic reaction to the medicine
  • Renal Artery Stenosis (a condition where a blood vessel in the kidney is narrow)
  • Liver problems
  • Kidney disorders

Side effects of Lotak 50mg Tab

  • Excessive drop in blood pressure
  • Headache, and dizziness 
  • Allergic reactions like rash, swelling of face, lips and throat (serious)
  • High levels of potassium in the blood
  • Vertigo
  • Low blood sugar
  • Fatigue
  • Changes in kidney function including kidney failure
  • Reduced number of red blood cells (anemia)
  • Rhabdomyolysis (skeletal muscle injury)

Precautions and Warnings of Lotak 50mg Tab



Can I take Lotak 50mg Tab during pregnancy?
This medicine can harm the fetus seriously. Hence, it is not advised to take this medicine if you are pregnant or planning pregnancy.

Breast Feeding

Can I take this medicine while breastfeeding?
This medicine is not recommended for breastfeeding mothers. There is insufficient data available to say whether this medicine can be harmful to the nursing infant if breastfed by a mother who is on this medicine. Hence, it is advisable to seek a physician’s help to find a safer alternative.


Can I drive if I have taken this medicine?
This medicine is not known to affect your driving ability. However, avoid driving in case you experience dizziness or drowsiness after taking this medicine.


Can I consume alcohol with this medicine?
Caution is advised as alcohol make blood pressure drop and can increase side effects of Lotak 50mg Tab such as sedation or drowsiness.

Other General Warnings

Talk to your doctor if
  • You are known to have narrowing or blockage of the blood vessels leading to your kidneys or had a kidney transplant recently
  • Liver disease
  • You suffer from heart failure with or without renal impairment or concomitant Severe life-threatening cardiac arrhythmias
  • Heart disease
  • You have high blood pressure and diabetes-related kidney problems. Your doctor shall regularly ask you to do kidney tests and test for electrolytes (e.g. potassium)

Mode of Action of Lotak 50mg Tab

How Does It Work?

Angiotensin-II is a substance produced in the body which causes constriction of blood vessels. This leads to an increase in blood pressure. The medicine prevents the binding of angiotensin-II to its r...
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Directions for Use of Lotak 50mg Tab

The dosage of Lotak 50mg Tab is to be taken as prescribed by your doctor.

Interactions of Lotak 50mg Tab

Interactions with other medicines

  • Aspirin and NSAIDs reduce the action of this medicine on blood pressure
  • All ACE inhibitors, azathioprine, lithium, aspirin and aliskiren should be avoided
  • Medicines which are known to increase potassium levels like diuretics

Interactions with food items

No known food interaction.

Storage and disposal of Lotak 50mg Tab

Store the medicine at room temperature and keep away from heat, moisture and light. Keep out of sight and reach of children.

Dosage of Lotak 50mg Tab


Overdose can result in increased heart rate, extremely low blood pressure, dizziness, increased levels of potassium in the blood, kidney failure, loss of consciousness. Seek immediate emergency medica...
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Missed a Dose

Take the missed dose as soon as you remember. In case it is time for the next dose, then skip the missed one and continue with the next dose. Do not take a double dose to compensate for the missed dos...
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Frequently Asked Questions (FAQs)


Q: What dietary restrictions should be followed while taking this medicine?

A: Avoid high potassium containing foods (spinach, banana, peas, kidney beans). Also avoid fruits and health supplements with high potassium contents. Low-salt diet is preferred.

Q: What should I inform my healthcare professional before I start treatment with Lotak 50mg Tab?

A: You must give an account of your past and present diseases, especially diabetes, and all the ongoing medications, supplements and herbal medicines that you are taking. If you take antidiabetic medication or insulin, track your blood sugar carefully while taking this medicine, particularly during the first month of its use. Aspirin and painkillers also diminish the positive effect on blood pressure of this medicine.

Q: Is this medicine safe? Is it habit forming?

A: No, this medicine is not known to be habit forming.

Q: Does this medicine cause weight gain?

A: This medicine is not known to gain weight. In case of any such symptoms, consult your doctor.

Q: Can this medicine be stopped immediately, if I feel better?

A: No. This medicine to be stopped only after consulting your doctor, as some medicine is known to have a rebound effect.

Q: What lifestyle changes to be done while taking this medicine?

  • Avoid smoking
  • Lose weight
  • Maintain healthy diet by including fruits and vegetables in your meals
  • Regular exercise
Last Updated on: 15 Aug 2020 | 07:00 AM (IST)
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