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Tablets taken once a week. Treatment should start at least one week (preferably 2-3 weeks) before trip. Some users experience strong side effects. Not recommended if you suffer from depression/anxiety or other psychological conditions.

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Order in the next to receive your order on the following days:

Type Delivery date Cost
DPD Next Day Mon 30 May - Tue 31 May £5.00
Royal Mail Tracked 48 Sun 29 May - Thu 02 Jun £3.00
Royal Mail Special Delivery™ Sat 28 May £5.95

What is Lariam?

Lariam is an anti-malaria tablet that contains the active ingredient mefloquine. It can be taken in certain areas to prevent malaria.

How does Lariam work?

Lariam works by destroying malaria parasites in your red blood cells.

How effective is Lariam?

Lariam is incredibly effective at protecting against Malaria. However, it’s important to know that no antimalarial tablet offers 100% protection, meaning you must still take other preventative measures. This includes using insect repellent and covering your skin.

How to take it

One dose should be taken a week before departure and it should be continued throughout exposure and for 4 weeks afterwards, however three doses at weekly intervals prior to departure are advised if the drug has not been used before - this can detect in advance those likely to get side effects so that an alternative can be prescribed.


Lariam is not suitable for patients with active depression, a recent history of depression, generalized anxiety disorder, psychosis, or schizophrenia or other major psychiatric disorders, or with a history of convulsions.

Side Effects

Side effects may include: nausea, diarrhoea, dizziness, abdominal pain, rashes, pruritis, headache, dizziness, convulsions, sleep disturbances (insomnia, vivid dreams) and psychotic reactions such as depression.


What is the recommended dosage of Lariam?

The recommended dosage of Lariam is one 250mg tablet, weekly.

How to take Lariam tablets

You must take Lariam once a week, on the same day each week. Start the course at least one week before you leave, and continue it for the duration of your stay and 4 weeks after your return. Always follow your doctor's recommendations.

How long do you take Lariam for?

For best results, start your course of Lariam 2-3 weeks before you depart. From here, continue taking the tablet weekly for the whole duration of your stay. Once you return home, take the tablet for a further 4 weeks.

How will I know how many Lariam tablets I need?

We’ve made it easy to work out how much Lariam you need - simply use the dropdown and select how long you are going to be away for. This will then include the tablets needed for before and after your trip.

Can I drink alcohol when taking Lariam?

You should not drink alcohol when taking Lariam, especially within 24 hours of your dose.

What are the side effects of Lariam?

Side effects of Lariam include nausea, diarrhoea, dizziness, headaches and sleep disturbances. Lariam is not recommended for those who suffer from depression, anxiety, or other psychological conditions. Please see the ‘side effects’ tab for more information.

What are the alternatives to Lariam?

Alternative anti-malaria tablets include Malarone and Doxycycline. Both treatments are available to purchase at Express Pharmacy.

Can I buy Lariam online?

Lariam is not an over the counter (OTC) medication, meaning you must acquire a prescription from a doctor to purchase it. As we are a regulated pharmacy, we can issue you with a prescription after you complete an online assessment.


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Patient Information

Before taking any medication, it is important to read the Patient Information Leaflet. You can find the information by searching for your treatment on Medicines.org.uk.

If you have any questions about your treatment please refer to Medicines.org.uk or contact us.

Lariam Patient Information Leaflet

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