Losartan Krka
Losartan Krka helps lower high blood pressure and protects the kidneys in people with type 2 diabetes by blocking a substance that narrows blood vessels.
Form
tabletti, kalvopäällysteinen
Strength
12.5 mg
Active Ingredient
Losartan potassium
Manufacturer
KRKA d.d. Novo mesto
How to Use
Dosage
The usual starting dose for adults is 50 mg once a day. Your doctor may adjust the dose as needed for your condition.
Method
Take the tablet with a glass of water, usually at the same time each day, with or without food.
Important
The maximum daily dose for adults is typically 150 mg. For children (6-18 years, 20-50 kg), the maximum is 25 mg.
Possible Side Effects
COMMON
- •Dizziness
- •Low blood pressure
- •Weakness
- •Tiredness
- •Low blood sugar (hypoglycemia)
- •High blood potassium (hyperkalemia)
- •Changes in kidney function, including kidney failure
- •Decreased red blood cells (anemia)
- •Increased levels of blood urea, serum creatinine, and serum potassium in heart failure patients
RARE
- •Severe allergic reaction with swelling of face, lips, mouth, tongue, or throat, making it hard to swallow or breathe. Stop taking Losartan Krka and see a doctor immediately.
- •Drowsiness
- •Headache
- •Sleep problems
- •Fast heartbeat (palpitations)
- •Severe chest pain (angina pectoris)
- •Shortness of breath
- •Stomach pain
- •Constipation
- •Diarrhea
- •Nausea
- •Vomiting
- •Hives (urticaria)
- •Itching
- •Rash
- •Swelling (edema)
- •Cough
- •Inflammation of blood vessels (vasculitis)
- •Numbness or tingling sensation
- •Fainting
- •Very fast and irregular heartbeat (atrial fibrillation)
- •Stroke
- •Swelling in the intestines (abdominal pain, nausea, vomiting, and diarrhea)
- •Liver inflammation (hepatitis)
- •Increased liver enzyme levels, usually reversible when treatment stops
- •Migraine
- •Muscle and joint pain
- •Flu-like symptoms
- •Back pain and urinary tract infection
- •Increased sensitivity to sunlight (photosensitivity)
- •Unexplained muscle pain with dark (tea-colored) urine (rhabdomyolysis)
- •Impotence
- •Inflammation of the pancreas (pancreatitis)
- •Low blood sodium (hyponatremia)
- •Depression
- •General unwellness (malaise)
- •Ringing, buzzing, roaring, or clicking in the ears (tinnitus)
- •Altered taste sensation (dysgeusia)
Important Warnings
- Do not take Losartan Krka if you are allergic to losartan or any other ingredient in this medicine.
- Do not take Losartan Krka if you have severe liver problems.
- Do not take Losartan Krka if you are more than 3 months pregnant. It is also best to avoid it in early pregnancy.
- Do not take Losartan Krka if you have diabetes or kidney problems and are taking aliskiren (another blood pressure medicine).
- Tell your doctor if you have had swelling of your face, lips, tongue, or throat (angioedema) in the past.
Show 4 more warnings
- Tell your doctor if you have been very sick with vomiting or diarrhea, which can lead to a lack of salt and water in your body.
- Tell your doctor if you have narrowing or blockage of the blood vessels leading to your kidneys, or if you recently had a kidney transplant.
- Tell your doctor if you have heart failure with kidney problems or severe, life-threatening heart rhythm issues.
- Tell your doctor if you are taking other medicines that might increase potassium levels in your blood.
Use in Elderly Patients
Category A
Suitable for older adults. Monitor renal function and potassium concentrations during the pharmacotherapy. Avoid concurrent use of NSAIDs. (updated 14.4.2025)