What Are Malaria Tablets and Do You Need Them?
Malaria tablets are medicines used to help prevent malaria infection when travelling to areas where infected mosquitoes can transmit the parasite. They are also called antimalarials or malaria chemoprophylaxis. They are not a substitute for mosquito-bite prevention, and no tablet is completely effective.
Malaria risk depends on the full itinerary
Risk varies by country, region, altitude, season, accommodation and length of exposure. For example, travel vaccinations for India include state-specific malaria considerations: city stays and forested or rural routes can lead to different recommendations. A country name by itself is not a safe basis for buying tablets.
People visiting friends or relatives in countries where malaria occurs can underestimate their risk. Previous residence in a malaria-endemic area does not guarantee ongoing protection after living in the UK.
The ABCD approach to malaria prevention
UK malaria advice combines awareness of risk (A), bite prevention (B), chemoprophylaxis where appropriate (C), and prompt diagnosis when symptoms occur (D). Tablets address only one part of that approach.
Which Malaria Tablets Are Used in the UK?
The main preventive medicines used for UK travellers are atovaquone/proguanil, doxycycline and mefloquine. Local parasite resistance, age, weight, medical conditions, medicines and trip duration influence the choice. The comparison below summarises typical adult schedules; it is not a prescribing recommendation.
| Medicine | Typical frequency and start | Continue after risk |
|---|---|---|
| Atovaquone/proguanil | Daily; normally start 1–2 days before entering risk area | 7 days |
| Doxycycline | Daily; normally start 1–2 days before entering risk area | 4 weeks |
| Mefloquine | Weekly; normally start 2–3 weeks before entering risk area | 4 weeks |
Atovaquone/proguanil (including Malarone)
Atovaquone/proguanil is a daily medicine normally started one to two days before entering a malaria-risk area, taken during exposure and continued for seven days after leaving. It is taken with food or a milky drink. Malarone is a branded form; clinically appropriate generics may also be available.
Suitability depends on factors such as kidney function, pregnancy, body weight, interactions and tolerance. Some atovaquone/proguanil products can be supplied by pharmacists to eligible adults after an assessment; that does not make every version suitable for over-the-counter sale.
Doxycycline for malaria prevention
Doxycycline is taken daily, usually from one to two days before entering a risk area until four weeks after leaving. The longer post-travel course can substantially affect the number of tablets required. It can cause sun sensitivity and irritation of the food pipe, so correct administration advice matters.
Doxycycline is generally unsuitable for children under 12 and is not normally used for malaria prevention during pregnancy. A professional assessment must check other contraindications and potential interactions.
Mefloquine (Lariam)
Mefloquine is usually taken once weekly. It is started two to three weeks before entering a malaria-risk area to assess tolerability and continued for four weeks afterwards. It needs particularly careful screening for previous or current psychiatric and neurological conditions, seizures and certain other risks.
How Do Clinicians Choose the Right Malaria Tablets?
The starting point is whether chemoprophylaxis is actually recommended for every part of the journey. An individual malaria tablets consultation considers all overnight stops and side trips, local resistance guidance, travel dates, age and weight, pregnancy or breastfeeding, kidney or liver conditions, mental-health history, other medicines and previous problems with antimalarials.
Medicine suitability comes before brand or price
When weighing the differences between Malarone and doxycycline, clinicians consider the daily schedule, how long tablets continue after the trip, side effects, contraindications and the likelihood of completing the course. A lower pack price is not useful if the medicine is inappropriate for the traveller or destination.
When Should You Start and Stop Malaria Tablets?
The correct time to start malaria tablets depends on the medicine. Atovaquone/proguanil and doxycycline usually begin one to two days before entering the malaria-risk area; mefloquine is typically started two to three weeks beforehand. Continue for the full period after leaving: seven days for atovaquone/proguanil or four weeks for doxycycline and mefloquine.
These are general schedules, not personal instructions. Follow the advice and product leaflet for the medicine you are actually supplied. If a dose is missed or you vomit after taking a tablet, seek medicine-specific guidance promptly.
What Side Effects and Safety Checks Matter?
All antimalarials can cause unwanted effects and interactions. Common Malarone side effects include headache or stomach upset; vomiting and diarrhoea may affect absorption. Doxycycline may cause gastrointestinal irritation, photosensitivity and interactions with certain mineral-containing supplements. Mefloquine may cause disturbing dreams, dizziness or psychiatric symptoms and is unsuitable with some mental-health and seizure histories.
Pregnancy, children and complex medical conditions
Pregnancy increases the risk of severe malaria, and avoiding higher-risk destinations may be preferable. When travel cannot be avoided, specialist advice is important. Children require medicine and dose decisions based on weight and age. Anyone with significant kidney or liver disease, an absent or poorly functioning spleen, complex medicines or a relevant psychiatric history should receive tailored advice.
How Much Do Malaria Tablets Cost in the UK?
Total cost depends on the medicine, strength, branded or generic version, time spent in malaria-risk areas, required doses before and after travel, the quantity supplied and any consultation, prescription or delivery fees. The full course can be much longer than the holiday itself.
A malaria tablets price comparison should therefore use the complete assessed course, rather than a per-tablet or weekly headline. Prices and service inclusions vary between providers; one clinic’s price must not be presented as a price for the whole TravelJabs4U network.
Can You Get Malaria Tablets at a UK Pharmacy or Travel Clinic?
A pharmacist or travel-health clinician can review the destination, medical suitability and lawful supply route before a preventive medicine is selected. Some products may be sold by pharmacists after assessment, while other medicines normally need a prescription or another appropriate clinical supply route.
The UK travel clinic directory includes participating locations for travellers seeking local assessments. The selected clinic or pharmacy is responsible for confirming the consultation, the availability of a suitable product and the final cost; finding a clinic or making a booking does not guarantee supply.
How Can You Reduce Malaria Risk Beyond Tablets?
Use an effective insect repellent, cover exposed skin, choose screened or air-conditioned accommodation where possible and sleep under an insecticide-treated mosquito net if necessary. Malaria-transmitting mosquitoes commonly bite from dusk to dawn, but avoiding insect bites in daytime also helps reduce other travel-related infections.
What to do about fever during or after travel
Malaria can develop even if prevention tablets were taken correctly. Seek urgent medical attention for fever or possible malaria symptoms during a trip or after returning from a risk area, and give the healthcare professional your travel history. Possible malaria remains important to consider for symptoms arising within 12 months of return.
Preparing for a Malaria Travel-Health Assessment
Bring the exact itinerary, travel dates, planned activities, medical conditions, allergies, a list of all medicines and supplements, and details of previous antimalarial use. A destination-specific assessment can establish whether tablets are recommended and help you follow the full course correctly.
Malaria Tablets FAQs
Do I need malaria tablets for every tropical country?
No. Not every tropical destination has malaria risk, and risk can differ within a country. Decisions depend on the exact regions visited, travel dates, activities and your individual risk factors.
Which malaria tablets are commonly used in the UK?
Atovaquone/proguanil, doxycycline and mefloquine are common options. They have different schedules, contraindications and interactions, so the choice follows a destination-specific clinical assessment.
What is the difference between Malarone and doxycycline?
Malarone contains atovaquone/proguanil. It is generally taken daily for seven days after leaving the risk area, while doxycycline is generally continued for four weeks. They also differ in side effects and suitability.
When should I start and stop malaria tablets?
Atovaquone/proguanil and doxycycline usually start one to two days before entering a risk area. Mefloquine usually starts two to three weeks beforehand. Post-travel dosing is generally seven days for atovaquone/proguanil and four weeks for doxycycline or mefloquine.
How much do malaria tablets cost in the UK?
The full-course cost varies by medicine, product, strength, number of days in a risk area, pre- and post-travel doses, supplying provider and any consultation or prescription fees. A clinician should confirm the appropriate course before you compare prices.
Can I get malaria tablets over the counter in the UK?
Some products, including Maloff Protect for eligible adults, can be supplied by a UK pharmacist after assessment. Other antimalarials, including doxycycline and mefloquine, normally require an appropriate prescription or other lawful clinical supply route.
What side effects can malaria tablets cause?
Possible effects include headache, stomach upset or sleep-related symptoms, depending on the medicine. Doxycycline can increase sun sensitivity, while mefloquine has important psychiatric and neurological precautions. Read the exact product leaflet and seek professional advice if symptoms are worrying.
Are malaria tablets safe during pregnancy?
Pregnancy increases the risk of severe malaria. Avoiding travel to higher-risk areas may be advised, and any preventive medicine requires individual specialist assessment of the destination and pregnancy. Do not select antimalarials without professional advice.
Can children take malaria tablets?
Some antimalarials are suitable for children, but the choice and dose depend on age, body weight, destination and other clinical factors. Doxycycline is generally unsuitable for children under 12 under UK guidance.
Do I still need mosquito repellent if I take malaria tablets?
Yes. Malaria tablets do not offer complete protection. Use suitable repellent, protective clothing, screened accommodation and insecticide-treated nets where appropriate.
What should I do if I develop a fever after travelling?
Seek urgent medical advice and tell the healthcare professional where and when you travelled. Malaria should be considered after travel to a risk area, even if you took tablets, and symptoms can occur months after returning.
Where can I get a malaria tablets consultation in the UK?
An individual malaria risk assessment is available through appropriate travel-health services, including participating clinics listed by TravelJabs4U. The selected clinician or pharmacist determines medicine suitability and any supply arrangements.
Preparing for a Malaria Travel-Health Assessment
Bring the exact itinerary, travel dates, planned activities, medical conditions, allergies, a list of all medicines and supplements, and details of previous antimalarial use. A destination-specific assessment can establish whether tablets are recommended and help you follow the full course correctly.
This information is general travel-health guidance and is not a personalised prescription or guarantee of medicine supply. Prevention advice depends on the destination and individual clinical assessment. Seek urgent healthcare assessment for possible malaria symptoms during or after travel.al clinical assessment. Seek urgent healthcare assessment for possible malaria symptoms during or after travel.
Medical information
Written by the TravelJabs4U Editorial Team. Medically reviewed by Mohammed Shajan Ali, MPharm, GPhC-registered pharmacist (GPhC No. 2067785). Review the displayed date before publication.
This page provides general information about malaria prevention and antimalarial tablets for UK travellers. Malaria risk and the need for medication depend on your destination, itinerary, medical history and individual circumstances. Antimalarial tablets are not suitable for everyone and do not replace mosquito-bite prevention. Check current TravelHealthPro guidance and follow the advice of the healthcare professional assessing your travel-health needs.