Lariam (Mefloquine) – What You Need to Know

If you’ve been told to take Lariam for malaria prevention, you probably have a lot of questions. Lariam is the brand name for mefloquine, a prescription medicine that blocks malaria parasites before they cause illness. It’s taken as a single dose before travel, during your trip, and sometimes after you return. Knowing the right way to use it can keep you safe and avoid unpleasant side effects.

How to Take Lariam Correctly

First, follow your doctor’s schedule exactly. Usually you’ll start a dose a week before you leave the malaria‑risk area, then take a weekly dose while you’re there, and finish the final dose four weeks after you get back. Swallow the tablet whole with a full glass of water – don’t crush or chew it. If you miss a weekly dose, take it as soon as you remember unless it’s less than 24 hours away from the next dose; then just skip the missed one and continue with the regular schedule.

Make sure the tablet is stored at room temperature, away from direct sunlight. If you’re traveling with kids, keep the medicine out of reach and label it clearly to avoid confusion.

Common Side Effects and When to Call a Doctor

Most people tolerate Lariam well, but you might notice mild nausea, dizziness, or trouble sleeping. These usually fade after a few days. More serious reactions – such as vivid dreams, anxiety, or mood swings – should be reported right away. Rarely, the drug can cause severe skin rashes or neurological symptoms like ringing ears or tremors. If any of these happen, stop the medication and seek medical help.

Women who are pregnant or planning to become pregnant should discuss alternatives with their healthcare provider, because mefloquine is not recommended during the first trimester.

Buying Lariam Safely Online

Buying prescription meds online can be risky, but there are ways to protect yourself. Look for pharmacies that require a valid prescription, display a physical address, and are licensed in your country. Check for customer reviews that mention reliable shipping and authentic medication. Avoid sites that offer Lariam without a prescription – they often sell counterfeit products that can be ineffective or dangerous.

When you receive the package, inspect the bottle for proper labeling, batch number, and expiration date. If anything looks off, contact the pharmacy immediately and do not take the pill.

In short, Lariam is an effective tool against malaria when used exactly as prescribed. Stick to the dosing schedule, watch for side effects, and only buy from reputable online pharmacies. With the right precautions, you can travel with confidence and stay malaria‑free.

Lariam Explained: Uses, Dosage, Side Effects & Safety Tips

Lariam Explained: Uses, Dosage, Side Effects & Safety Tips

by Daniel Stephenson, 21 Sep 2025, Medications

Learn what Lariam is, how it prevents malaria, proper dosing, common side effects, and safety advice for travelers in a clear, practical guide.

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