Betahistine

Merislon – Vertigo Relief Medicine 6mg

90.00 ฿ In Stock
(฿3/tablet)
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Merislon (Betahistine Mesilate) — relieves vertigo, dizziness, and inner-ear fluid imbalance (Meniere), acting on the inner ear

💊 Active ingredient: Betahistine Mesilate 6 mg
⏱️ How to take: 1-2 tablets, three times a day
🍽️ Condition: take with or right after food
📦 Pack: 30 tablets/box, made by Eisai Thailand
⚡ Highlight: eases endolymph pressure in the inner ear to relieve Meniere vertigo
🌡️ Storage: below 30°C, away from sunlight and moisture

ตัวเลือก: จำนวน 30 เม็ด
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ตัวเลือก

What is Merislon?

Merislon is a vertigo-relief medication containing Betahistine Mesilate 6mg, which acts on the inner ear to help treat symptoms of inner-ear fluid imbalance and Meniere's disease. Its standout feature is reducing endolymph pressure in the inner ear, targeting vertigo directly. Take 1-2 tablets, 3 times daily, right after meals.

🛒 30 tablets/box · Authentic · Fast delivery within 24 hrs · Intimo Life — Consult a doctor or pharmacist before use

Product Description

A medicine for vertigo and dizziness, Merislon contains Betahistine Mesilate 6 mg. It relieves the spinning sensation (vertigo) caused by inner-ear disorders, including Meniere’s disease, by improving blood flow in the inner ear and easing spinning, nausea, and ringing in the ears.

📊 Key facts about Merislon (Betahistine)

  • Betahistine is a mainstay for managing the symptoms of Meniere’s disease and inner-ear vertigo (NHS)
  • It acts as a histamine analog that helps increase blood flow in the inner ear
  • Vertigo is a common problem with many causes, from displaced ear crystals to inner-ear fluid imbalance (Mayo Clinic)
  • For preventing chronic dizziness and migraine, other options are available such as Flurin (Flunarizine)

🏭 Merislon is an originator brand from Eisai of Japan, registered as a modern medicine in Thailand.

⚠️ People with asthma, stomach ulcers, or an adrenal tumour (pheochromocytoma) should consult a pharmacist or doctor before using Merislon.

Supatcheree A., Pharmacist

Medically reviewed by

Supatcheree A., Pharmacist | Sources: NHS, MedlinePlus, Mayo Clinic

Last reviewed: 2026-07-02

About Merislon

What is Merislon?

Merislon is a medicine for vertigo and dizziness. Its active ingredient is Betahistine Mesilate 6 mg, a histamine analog that acts like the body’s own histamine, widening the small blood vessels in the inner ear to improve blood supply and ease inner-ear fluid pressure.

As circulation and fluid balance in the inner ear improve, spinning vertigo, nausea, and ringing in the ears subside. This is why doctors and pharmacists often choose Merislon for inner-ear vertigo and Meniere’s disease.

In Thailand, Merislon comes as convenient 6 mg tablets, suitable for continuous use as advised to keep symptoms under control. Unlike some anti-vertigo medicines that cause drowsiness, Betahistine is generally non-sedating, so it can be used during the day without disrupting work or daily activities.

What does Merislon treat?

Merislon relieves symptoms related to balance and inner-ear disorders, including:

  • Vertigo — a spinning or swaying sensation even when still
  • Meniere’s disease — episodic vertigo with a blocked-ear feeling and ringing
  • Nausea and vomiting that accompany vertigo
  • Ringing in the ears (tinnitus) linked to inner-ear problems

A common question is what Merislon treats — mainly vertigo and balance problems arising from the inner ear, not ordinary lightheadedness from blood pressure or lack of sleep.

How to take Merislon and dosage

Merislon 6 mg is generally taken after meals to reduce stomach irritation. A common regimen is 1-2 tablets three times a day after food, though the exact dose should follow a doctor’s or pharmacist’s advice based on symptom severity.

  • Swallow the tablet whole with water; no need to chew
  • Take it regularly at the same times for better symptom control
  • For Meniere’s disease, several weeks of continuous use may be needed to see clear benefit

A frequent question is how to take Merislon 6 mg — take it after meals at the recommended amount, and do not stop it abruptly while symptoms are unstable; adjust gradually as advised.

Side effects of Merislon

The Betahistine in Merislon is generally well tolerated, and side effects are usually mild, such as:

  • Nausea or mild stomach discomfort
  • Indigestion, bloating
  • Headache
  • Occasionally a mild itchy rash or allergic reaction

Taking it with food helps reduce stomach discomfort, and these effects are usually mild and improve as the body adjusts. If a severe allergic reaction occurs — difficulty breathing, facial swelling, or widespread hives — stop the medicine and see a doctor immediately.

Contraindications / Precautions

Avoid or consult a doctor before using Merislon in these cases:

  • An adrenal tumour of the pheochromocytoma type
  • Asthma, because Betahistine may trigger symptoms
  • An active stomach or intestinal ulcer
  • Allergy to Betahistine or the tablet’s ingredients
  • Pregnancy or breastfeeding — use only when necessary and under medical supervision

Betahistine is a histamine analog, so it should not be combined with antihistamines, which work in the opposite way. Always tell your pharmacist if you take antihistamines or other regular medicines.

Can Merislon be taken with other medicines?

Merislon has a few points to watch when used with other medicines:

  • Antihistamines — Betahistine acts like histamine while antihistamines block it, so they may reduce each other’s effect; avoid combining them unnecessarily
  • MAO inhibitors — may raise Betahistine blood levels; tell your doctor if you take this class
  • Bronchodilators or asthma medicines — use with caution in people with asthma

Before starting Merislon, tell your pharmacist or doctor about all your regular medicines and supplements so they can assess interaction risk and arrange suitable timing.

Merislon vs other oral vertigo medicines

Oral medicines for vertigo come in several types — choose by cause and goal:

  • Merislon (Betahistine) — the originator brand from Eisai, strong for controlling inner-ear vertigo and Meniere’s disease
  • Mertigo (Betahistine) — the same Betahistine ingredient, a more budget-friendly option
  • Flurin (Flunarizine) — a calcium channel blocker focused on preventing chronic dizziness and migraine rather than relieving acute attacks

In short: choose Merislon for the originator brand controlling inner-ear vertigo, Mertigo for the same Betahistine at a lower price, and Flurin to prevent chronic dizziness or migraine on a pharmacist’s advice.

How fast does Merislon work?

The Betahistine in Merislon is well absorbed after taking, and some people feel vertigo ease within a few hours of a dose. However, clear benefit in chronic conditions such as Meniere’s disease usually requires regular continuous use over several weeks.

So take it consistently at the recommended times, do not expect a one-time cure, and if symptoms do not improve within a reasonable period, return to your doctor to investigate the cause further.

Where to buy Merislon?

Where to buy Merislon?

Order online at Intimo Life with nationwide delivery across Thailand in 1-3 business days, packed discreetly with no product name shown on the parcel.

⚠️ ข้อจำกัดความรับผิดชอบ

เนื้อหาในบทความนี้มีจุดประสงค์เพื่อให้ความรู้ทั่วไปเท่านั้น ไม่ได้มีเจตนาทดแทนคำแนะนำ การวินิจฉัย หรือการรักษาจากแพทย์หรือเภสัชกรผู้เชี่ยวชาญ หากมีข้อสงสัยเกี่ยวกับอาการหรือการใช้ยา ควรปรึกษาแพทย์หรือเภสัชกรก่อนเสมอ

Frequently Asked Questions

Most vertigo comes from problems in the inner ear, which controls balance — such as displaced ear crystals (BPPV), inner-ear fluid imbalance (Meniere’s), or inflammation of the balance nerve. Sometimes it stems from other causes like migraine or blood pressure. Merislon helps mainly with the inner-ear type, so if the cause is unclear, see a doctor.

First, sit or lie still, avoid sudden position changes, and fix your gaze on a stationary point to reduce spinning. If it comes from the inner ear, Betahistine such as Merislon helps control it, along with adequate rest and cutting caffeine/salt for Meniere’s. If it is frequent or severe, see a doctor to find the cause.

Both contain the same Betahistine and differ mainly in brand and price. Merislon is the originator brand from Eisai of Japan, while Mertigo is a more budget-friendly alternative. Their effectiveness is comparable, so you can choose based on budget and a pharmacist’s advice.

It is recommended to take Merislon after meals to reduce the chance of stomach irritation, since Betahistine can cause mild stomach discomfort in some people. Taking it after food and at consistent times helps control vertigo better.

Betahistine is relatively safe and is often used for ongoing symptom control in Meniere’s disease under medical supervision. However, it should not be self-medicated long term without assessing the cause. Once symptoms improve, a doctor may consider reducing or pausing it periodically.

People with asthma should be cautious and consult a doctor before using Merislon, because Betahistine is a histamine analog that may trigger asthma symptoms in some individuals. A doctor can assess the risk and choose a suitable approach.

Taking them together is not recommended, because Betahistine acts like histamine while antihistamines block it, so they may reduce each other’s effect. If you must take an antihistamine, tell your pharmacist to arrange timing or adjust the medicines appropriately.

If you miss a dose of Merislon, take it as soon as you remember. If it is nearly time for the next dose, skip the missed one and continue as usual. Do not take a double dose to make up for it, as this does not speed recovery and may increase side effects.

Generally, the Betahistine in Merislon does not cause drowsiness like some anti-vertigo medicines (such as dimenhydrinate), making it suitable for people who need to work or go about daily life. Still, while vertigo persists, take care when driving or operating machinery until symptoms improve.

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