Losatrix
Losatrix is a medicine that helps lower high blood pressure and protects the kidneys, especially for people with type 2 diabetes.
Form
tabletti, kalvopäällysteinen
Strength
25 mg
Active Ingredient
Losartan potassium
Manufacturer
ratiopharm GmbH
How to Use
Dosage
For adults, the usual starting dose is one 50 mg tablet once a day. For children aged 6-18 years weighing 20-50 kg, the starting dose is 0.7 mg per kg once daily, up to 25 mg.
Method
Take the tablet whole with a glass of water. Try to take it at about the same time every day.
Important
The maximum daily dose is usually 150 mg.
Possible Side Effects
COMMON
- •Dizziness
- •Spinning sensation (vertigo)
- •Low blood pressure, especially when standing up quickly from lying or sitting
- •Weakness
- •Tiredness
- •Low blood sugar (hypoglycemia)
- •High potassium levels in the blood (hyperkalemia)
- •Changes in kidney function, including kidney failure
- •Reduced red blood cell count (anemia)
- •Increased urea, creatinine, and potassium in the blood (in heart failure patients)
- •Drowsiness
- •Headache
- •Sleep problems
- •Feeling your heart beat fast (palpitations)
- •Chest pain (angina pectoris)
- •Shortness of breath
- •Cough
- •Abdominal pain
- •Constipation
- •Diarrhea
- •Nausea
- •Vomiting
- •Hives (urticaria)
- •Itching
- •Rash
- •Local swelling (edema)
RARE
- •Severe allergic reaction (e.g., swelling of face, lips, throat causing difficulty swallowing or breathing)
- •Inflammation of blood vessels (vasculitis, including Henoch-Schönlein purpura)
- •Numbness or tingling sensation (paresthesia)
- •Fainting (syncope)
- •Very fast and irregular heartbeat (atrial fibrillation)
- •Stroke
- •Swelling in the intestines (intestinal angioedema), with symptoms like abdominal pain, nausea, vomiting, and diarrhea
- •Liver inflammation (hepatitis)
- •Increased ALAT enzyme levels in the blood (usually returns to normal after stopping treatment)
Important Warnings
- Do not take if you are allergic to losartan or any other ingredients in this medicine.
- Do not take if you have severe liver problems.
- Do not use if you are more than 3 months pregnant, and it's best to avoid during early pregnancy too.
- Do not use if you have diabetes or kidney problems and are taking a blood pressure medicine called aliskiren.
- Avoid drinking grapefruit juice while taking this medicine.
Show 5 more warnings
- Tell your doctor if you have had swelling of your face, lips, throat, or tongue (angioedema) before.
- Tell your doctor if you have had severe vomiting or diarrhea causing a lot of fluid or salt loss.
- Tell your doctor if you have narrowing or blockage of the blood vessels to your kidneys, or if you recently had a kidney transplant.
- Tell your doctor if you have heart failure with kidney problems or dangerous heart rhythm problems.
- Tell your doctor if you are taking potassium supplements, salt substitutes with potassium, or other medicines that can 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)