Losartan 50mg: Uses, Dosage and Side Effects
Losartan potassium (Tablet, Angiotensin II receptor blocker (ARB)) - Blood pressure tablet that also protects kidneys in diabetes.
Overview
Losartan is an angiotensin receptor blocker used for high blood pressure, heart failure and to protect the kidneys in people with diabetes. It is often used when ACE inhibitors cause cough.
How It Works
It blocks angiotensin II receptors, relaxing blood vessels and lowering pressure.
Uses (Indications)
- High blood pressure
- Diabetic kidney disease
- Heart failure (some patients)
Dosage: General Label Information
Contraindications: Who Should Not Take It
- Pregnancy
- Combined with aliskiren in diabetes
- Severe liver disease
Side Effects
- Dizziness
- High potassium
- Kidney function changes
Interactions
- Potassium supplements and salt substitutes
- NSAIDs
- Lithium
Storage
Store below 25°C.
Patient Counselling Tips
- Have blood tests after starting
- Avoid potassium salt substitutes
- Stop and seek advice if pregnant
When to See a Doctor
- Face or throat swelling
- Fainting
- Muscle weakness (possible high potassium)
| Generic name | Losartan potassium |
|---|---|
| Medicine class | Angiotensin II receptor blocker (ARB) |
| Form | Tablet |
| Main uses | High blood pressure, Diabetic kidney disease, Heart failure (some patients) |
Before You Take Losartan 50mg
Tell your doctor or pharmacist if you are pregnant or breastfeeding, have kidney, liver or heart problems, have had an allergic reaction to any medicine, or take other prescription medicines, herbal remedies or supplements. Bring a list of everything you take to every appointment.
Missed Doses and Long-Term Use
If you miss a dose of Losartan 50mg, take it when you remember unless it is almost time for the next one; never double up. Long-term medicines work best when taken at the same time every day. Do not stop suddenly without talking to your prescriber, and keep follow-up appointments and blood tests.
Frequently Asked Questions
Does losartan cause cough?
Less often than ACE inhibitors.
Is it safe in pregnancy?
No.
When to take?
Same time each day.
This Losartan 50mg guide is educational, based on official labelling and public guidance, and reviewed by the ghkh.site editorial team. Always read the leaflet in your pack and ask your pharmacist.
Sources
We summarise these sources in our own words. Mention of an organisation does not imply endorsement.