- Most commonly used to treat High Blood Pressure
- Allows blood to flow through the blood vessels more freely by relaxing them
- Helps prevent strokes, heart attacks and heart failure
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What are Losartan tablets?
Losartan has been used to treat several high blood pressure related conditions since 1995 and is featured on the World Health Organisation's List of Essential Medicine.
Losartan is a angiotensin II receptor blockers (ARBs), which are primarily used in the treatment of high blood pressure (hypertension), Diabetic Nephropathy, and heart failure.
Losartan tablets are typically prescribed after suffering a heart attack as they can also help to prevent further complications such as strokes, heart attacks and kidney problems.
Losartan is a prescription only medicine, it is available as tablets in a variety of doses such as, 12.5mg, 15mg, 50mg and 100mg.
More information about Losartan can be found on the NHS website.
What is Losartan used to treat?
Angiotensin Receptor Blockers (ARBs) formally known as angiotensin II receptor antagonists are most used to treat high blood pressure (HBP) and any conditions related to the effects of HBP. Losartan can also help to treat and prevent other serious illnesses, including heart failure, kidney disease, strokes and heart attacks when used regularly.
Although Losartan is not the preferred first line treatment for HBP when compared to other alternatives such as Calcium Channel Blockers and Thiazide Diuretics, it is the first line treatment option in individuals who cannot tolerate the adverse effects of ACE inhibitors such as a dry cough.
Losartan also helps to reduce inflammation and as a result, can be used to treat heart failure and fatty liver disease. Losartan helps to improve the quality of life and life expectance for people with heart failure.
How does Losartan treat high blood pressure?
As an Angiotensin Receptor Blockers (ARBs), Losartan works by reducing the action of a hormone that is natural to the human body called Angiotensin II (Ang II) which plays a significant role in hypertension.
Angiotensin II (Ang II) raises blood pressure in several ways, by causing blood vessels to restrict which makes it harder for the heart to pump blood around the body. Angiotensin II (Ang II) also increases salt and water retention in the body which also increases blood pressure.
Angiotensin II (Ang II) is mediated by the AT1 Receptors that are found in the heart. Losartan blocks the activation of the AT1 receptors which directly causes the blood vessels to widen and as a result lowers blood pressure.
In summary, Losartan blocks the action of the chemical Angiotensin II (Ang II) which is directly responsible for causing high blood pressure.
The dosage of Losartan you will need to take will be dependent upon the condition you are being treated for. Your doctor will advise you on how much to take and you should make sure you stick to this amount.
Most adults will take between 50mg and 100mg of Losartan each day as a treatment for high blood pressure, and to safeguard against kidney problems.
For heart failure, your doctor or pharmacist will usually instruct you to take between 12.5mg to 150mg once a day.
How should I take Losartan Tablets?
Losartan tablets should be taken once a day.
You can take these tablets either with or without food, but they should always be swallowed whole with a drink of water.
It is vital that you keep taking Losartan even if you start to feel better; you will still be getting the benefits this medicine provides.
Who can take Losartan?
Losartan tablets are normally only prescribed to adults over the age of 18 years old. However, children over the age of 6 can take it if they suffer from high blood pressure. The dosage will differ from patient to patient, depending on the illness you are being treated for.
This medicine is not suitable for everyone to use. You should tell your doctor before taking Losartan tablets if you have any of the following conditions:
- You are pregnant, you think you might be pregnant or are trying to get pregnant
- You have low blood pressure
- You have diabetes
- You have had an allergic reaction to Losartan or any other medication in the past
- You are currently breastfeeding
- You have any heart, liver or kidney problems
- You have recently had a kidney transplant
- You have been on a low-salt diet
- You currently suffer from diarrhoea or vomiting
There may be other conditions that make you unsuitable to take Losartan tablets. You should refer to the patient information leaflet that will be included with your order before you start a course of treatment.
Losartan side effects
As is the case with all medicines, you may experience certain side effects while taking Losartan tablets.
Not everyone will suffer from side effects, and most cases will improve as your body gets used to the medication.
Common side effects that you may experience include:
- Feeling sick
- Being sick
- Experiencing vertigo - having a dizzy or spinning feeling
- Pain in your muscles or joints
These side effects are common, but you should still speak to your doctor or pharmacist if these symptoms worry you or do not go away.
This list is not exhaustive; for the more serious adverse reactions you may experience while taking this medicine, please refer to the Side Effects tab on this product's page
Can I buy Losartan high blood pressure tablets online in the UK?
Yes, you can buy Losartan online from most UK online pharmacies that specialise in high blood pressure management. To buy losartan online you will need to complete an online consultation that will be reviewed by a doctor or healthcare professional to assess your condition to ensure the treatment is best suited for your condition.
It is important to ensure that you are buying medicine online from a UK fully regulated pharmacy. To learn more about our company, team, medical professionals, and the licenses we hold, visit our about us page.
Our pharmacist and prescribers follow NICE prescribing guidelines when prescribing Losartan.
What if I forget to take it?
If you forget to take Losartan, just take the dose as soon as you remember, as long as it is not nearly time for your next scheduled dose.
Never take an extra dose to make up for missing a previous one.
To make sure you don't miss taking your Losartan tablets, it may help to set an alarm to remind you. Taking Losartan at the same time each day helps you to develop a routine, meaning you are less likely to forget to take the tablets.
What if I take more than I am supposed to?
The amount of Losartan that constitutes as an overdose varies from person to person, but it is important that you contact your doctor or go to the nearest A&E department immediately if you do take more tablets than you should.
If you take too much Losartan, you may experience dizziness, a pounding heartbeat or sleepiness.
If you do overdose on Losartan tablets, you should not drive yourself to hospital; you should either call an ambulance or get someone else to take you there. Make sure you take your medicine with you.
How do I cope with the side effects?
What are the benefits of taking Losartan?
Will Losartan affect my contraception?
Will it affect my fertility?
Will Losartan affect my sex life?
Will Losartan protect me against Alzheimer's disease?
Can I take Losartan for Raynaud's phenomenon?
Can I take Losartan before surgery?
Will I need to take Losartan forever?
What are the consequences of not treating high blood pressure?
What causes high blood pressure?
Many cases are the result of a long-term health condition.
These can include:
- Kidney problems
- Obstructive sleep apnoea
- Long-term kidney infections
Certain drugs may increase your blood pressure, including herbal remedies, steroids, contraceptive pills and recreational drugs.
Please note, these lists are not exhaustive, you should speak to your doctor about the full causes of high blood pressure, as well as what you can do to help prevent this condition.
What lifestyle changes should I make when taking it?
Where can I buy Losartan 50mg online?
Losartan Serious Side Effects
The common adverse reactions from using this medicine can be found on the main page.
In rare cases, you may experience more serious side effects from using Losartan tablets.
You should tell your doctor immediately if you notice any of these symptoms:
- You have yellowing of the skin or whites of the eyes - this could be a liver problem
- You have severe stomach pain
- You have any signs of bleeding, pale skin, a sore throat, fever, dizziness or tiredness or purple spots - these could be signs of a bone marrow disorder
- You have an irregular heartbeat, weakness, muscle cramps or pins and needles - these could be indications that the levels of sodium and potassium in your body have changed
In very rare cases, you could experience a severe allergic reaction to Losartan; if you experience any of these symptoms, you should call 999 or go to A&E immediately:
- You have swelling of the mouth, face, lips, throat or tongue
- You have tightness in your throat or chest
- You are wheezing
- You have a skin rash that is either peeling, blistering, itchy, red or swollen
- You are finding it difficult to breathe or speak
You may require urgent treatment in hospital.
Please note, this list is not exhaustive. You should always read the patient information leaflet which will accompany your order.
Losartan Warnings and drug interactions
Losartan potassium may interact with other drugs you are currently taking. You should speak to your doctor before you take this medicine if you are currently taking any of the following:
- Painkillers such as ibuprofen, naproxen, diclofenac, celecoxib or etoricoxib
- Any potassium supplements
- Any other medicines used to lower blood pressure
Before taking any medicine, you should always inform your doctor of any drugs you are already taking; this includes both prescription and non-prescription medicines, herbal remedies, vitamins and supplements.
For more information on Drug Interactions when taking Losartan.
Pregnancy and breastfeeding
Losartan is not usually prescribed to those who are pregnant or breastfeeding. Always speak to your doctor about taking this medication. Your doctor will asses the benefits and risks of taking Losartan during this time.
Read more about taking Losartan during pregnancy and breastfeeding
The active ingredient used in this medicine is losartan potassium.
Inactive ingredients also contained in this medicine are: microcrystalline cellulose, lactose hydrous, pregelatinized starch, magnesium stearate, hydroxypropyl cellulose, hypromellose, and titanium dioxide.
How it works - get your medicine in 3 simple steps
- 1 Choose your treatment Select the treatment or medication you need and answer a few questions online regarding your condition.
- 2 Online consultation Our Independent Prescribers will review your questions and assess your suitability for the medication.
- 3 Receive your delivery Your medication is dispensed and delivered directly to you from our UK based Pharmacy.