Ritalin in Vietnam: Import Limit and Alternatives

Quick reference

Drug class: CNS stimulant
Controlled substance: Yes. Methylphenidate is a psychotropic substance in Vietnam's controlled medicine lists (Circular 18/2026/TT-BYT, Annex II).
Prescription required: Ritalin cannot be dispensed in Vietnam. Concerta or Medikinet MR need a Vietnamese psychiatrist's prescription; foreign prescriptions are not accepted.
Available locally: No. Ritalin is not registered in Vietnam. Concerta (18, 27 and 36 mg) and Medikinet MR (5, 10 and 20 mg) are the registered methylphenidate brands, dispensed mainly at hospital pharmacies.
Storage: Store at room temperature (15-25°C), away from moisture. Oral tablets do not require refrigeration.
Max supply to carry: Up to 10 days' use at the prescribed dose without an import permit (Decree 163/2025/ND-CP). For more, apply to the Drug Administration of Vietnam for an import permit, or declare the extra at customs on arrival with proof of medical necessity.
Key document: Doctor's letter naming 'Ritalin' (brand) and 'methylphenidate' (INN), dose, and daily quantity. Original packaging with prescription label intact. Declaration at customs on arrival.
Emergency alternative: If you run out, a local psychiatrist at a Level I hospital can assess whether Concerta or Medikinet MR is clinically appropriate. Any switch must be supervised by a doctor.

Where to get methylphenidate in Vietnam (Ritalin is not sold)

Bach Mai Hospital Pharmacy (Hanoi)
Level I public hospital in Hanoi. Ritalin is not available; a psychiatrist can prescribe Concerta or Medikinet MR, dispensed here when in stock.
Ritalin: not available
Unknown
Cho Ray Hospital Pharmacy (Ho Chi Minh City)
Major Level I public hospital in Ho Chi Minh City. Ritalin is not available; Concerta or Medikinet MR need a locally issued psychiatrist's prescription and valid ID.
Ritalin: not available
Unknown
VinMec International Hospital (Hanoi and HCMC)
Private international hospital network with English-speaking psychiatrists. Ritalin is not available; ask about Concerta or Medikinet MR.
Ritalin: not available
Unknown
FV Hospital (Ho Chi Minh City)
French-Vietnamese private hospital with psychiatric services. Ritalin is not available; a local psychiatrist can assess Concerta or Medikinet MR.
Ritalin: not available
Unknown
Street and retail pharmacies (nationwide)
Retail pharmacies do not stock Ritalin or other methylphenidate products. Do not rely on street pharmacies for ADHD medication in Vietnam.
Ritalin: not available
Unknown

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Ritalin in Vietnam: what's different from sibling brands

Ritalin (methylphenidate, immediate-release) is not registered in Vietnam, so it is not sold there^[8]. The methylphenidate products registered in Vietnam are Concerta (extended-release, 18, 27 and 36 mg) and Medikinet MR (modified-release, 5, 10 and 20 mg)^[9]. Methylphenidate is a psychotropic medicine, so you can bring up to 10 days' use without an import permit^[2] and need a permit for more. For a longer trip, ask your prescriber about switching to Concerta or Medikinet MR, which a Vietnamese psychiatrist can prescribe.

This guide covers how much Ritalin you can bring, the locally registered alternatives, pharmacy phrases, and what to do if you run out.

Medical disclaimer: This guide is for informational purposes only and does not constitute medical advice. Always consult your prescribing doctor before travelling with medication, particularly regarding supply quantities, storage requirements, and import documentation.

Documentation for travelling to Vietnam with Ritalin

Decree 163/2025/ND-CP allows up to 10 days' use of a psychotropic medicine such as methylphenidate without an import permit^[2]. For more, apply to the Drug Administration of Vietnam for an import permit before you travel, or declare the extra at customs on arrival with your itinerary and a doctor's note of medical necessity; customs decides whether to admit it. For more on ADHD medication rules, see the ADHD in Vietnam guide. Your doctor's letter must name 'Ritalin' specifically alongside the INN 'methylphenidate', since customs officers search both names.

Naming Ritalin on your doctor's letter

The letter should list the brand name 'Ritalin' and the international generic name 'methylphenidate' plus the strength and daily dose. Vietnamese customs officers may search the brand name in their system, so naming both ensures the tablet form is recognised correctly. Carry the letter in English and, if possible, a certified Vietnamese translation.

Questions to ask your prescriber before you travel

Ritalin is not sold in Vietnam, so these questions focus on bringing enough and on a possible switch.

Because Ritalin is not sold in Vietnam, can you write a backup letter naming methylphenidate by INN so a local psychiatrist can consider Concerta or Medikinet MR?
Can the doctor's letter include both 'Ritalin' and 'methylphenidate' as required, plus the dose frequency and the period of treatment, on headed notepaper with a registration number?
If my trip exceeds 10 days, can you support an import permit application, or should I plan a switch to Concerta or Medikinet MR in Vietnam?
Concerta's registered strengths in Vietnam are 18, 27 and 36 mg; how would a switch from my Ritalin dose work if I need one mid-trip?
What is the best way to reach your office from Vietnam in a time-zone-offset emergency, and what documentation can you email me immediately if my supply is lost or damaged?

How much Ritalin to bring

Without an import permit you can bring up to 10 days' use at your prescribed dose^[2]. Ritalin is not sold in Vietnam, so count your daily tablets precisely before packing. For a longer trip, apply for an import permit before you travel, or ask your prescriber about switching to Concerta or Medikinet MR, which are registered in Vietnam and can be prescribed by a local psychiatrist.

Customs and security with Ritalin in Vietnam

Ritalin tablets are oral and solid, so cabin baggage liquid rules do not apply. Declare the medication at Vietnamese customs on arrival and present your doctor's letter and original packaging. Psychotropic medicines such as methylphenidate are limited to 10 days' use at the prescribed dose without an import permit^[1]. Vietnam's personal allowance covers only what you bring with you when you enter, not parcels sent to you later, so do not plan on having more posted. Keep Ritalin in hand luggage throughout travel; do not pack it in checked baggage.

Ritalin availability in Vietnam

Ritalin vs sibling brands in Vietnam

Brand	Indication	Formulation	Availability in Vietnam
Ritalin	ADHD	Methylphenidate immediate-release tablet	Not registered in Vietnam; not sold
Concerta	ADHD	Methylphenidate extended-release (OROS), 18, 27 and 36 mg	Registered; hospital pharmacies, shortages reported
Ritalin LA	ADHD	Methylphenidate extended-release (biphasic)	Not registered in Vietnam
Medikinet	ADHD	Methylphenidate modified-release capsule (Medikinet MR 5, 10, 20 mg)	Registered; hospital pharmacies

Ritalin is not registered in Vietnam, so no pharmacy or hospital can dispense it^[8]. The registered methylphenidate products are Concerta and Medikinet MR, and the Drug Administration of Vietnam has warned of temporary Concerta shortages^[9]. Either needs a prescription from a Vietnamese psychiatrist, and foreign prescriptions are not accepted at Vietnamese pharmacies.

Ritalin has no local price because it is not sold in Vietnam. If you are prescribed Concerta or Medikinet MR locally, costs are out of pocket: Vietnam's Social Health Insurance does not cover international travellers.

Pharmacy phrases in Vietnamese

“Bạn có thuốc Concerta không?”

Do you have Concerta?

“Nếu không có Concerta, bạn có Medikinet không?”

If you do not have Concerta, do you have Medikinet?

“Có thuốc generic methylphenidate nào không?”

Is there a generic version of methylphenidate?

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Switching to a different brand or generic in Vietnam

Ritalin is not sold in Vietnam, but because Concerta and Medikinet MR share its active ingredient, a Vietnamese psychiatrist may be able to prescribe one of them instead. However, switching is not straightforward: these formulations release methylphenidate differently, so the dosing schedule and total daily amount may not translate directly. Both are controlled substances under Vietnamese law, meaning any switch still requires a fresh local psychiatrist consultation and a new prescription. Never adjust between formulations without a doctor's review.

The formulation gap

Ritalin (immediate-release) and Concerta (extended-release) are not interchangeable on a mg-for-mg basis. Concerta's registered strengths in Vietnam go up to 36 mg, which may not match your home-country dose. Discuss the gap with your prescriber before you travel, not after you run out.

What to do if you lose Ritalin in Vietnam

Go directly to the psychiatry department of a Level I hospital. In Hanoi, go to Bach Mai Hospital or VinMec Times City (458 Minh Khai). In Ho Chi Minh City, go to Cho Ray Hospital or FV Hospital (6 Nguyen Luong Bang). Present your passport, doctor's letter, and Nomedic IPS. Ritalin itself is not sold in Vietnam, so a local psychiatrist can only assess whether Concerta or Medikinet MR is clinically appropriate. Foreign prescriptions are not accepted directly at dispensing pharmacies, so a new local consultation is the only way to obtain a replacement. Vietnam's national emergency number is 115.

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Frequently asked questions

Is Ritalin legal in Vietnam?

Yes, Ritalin is legal to bring into Vietnam, but methylphenidate is a controlled psychotropic: you may bring up to 10 days' use at the prescribed dose without an import permit^[2], with a doctor's letter naming both the brand and the INN (methylphenidate), the original labelled packaging, and a customs declaration on arrival. For more, apply to the Drug Administration of Vietnam for an import permit before you travel, or declare the extra at customs on arrival with your itinerary and a doctor's note of medical necessity; customs decides whether to admit it.

Is Ritalin available in Vietnam?

No. Ritalin is not registered in Vietnam, so no pharmacy or hospital can sell it^[8]. The registered methylphenidate products are Concerta (18, 27 and 36 mg) and Medikinet MR (5, 10 and 20 mg)^[9], dispensed mainly at hospital pharmacies on a Vietnamese psychiatrist's prescription.

How much does Ritalin cost in Vietnam?

Ritalin has no price in Vietnam because it is not sold there. If a Vietnamese psychiatrist prescribes Concerta or Medikinet MR instead, the cost is paid out of pocket, as Vietnam's Social Health Insurance does not cover international travellers.

Do I need a prescription to buy Ritalin in Vietnam?

Ritalin cannot be bought in Vietnam because it is not registered. Methylphenidate is a psychotropic under Vietnamese law, so the registered alternatives (Concerta, Medikinet MR) need a prescription issued by a Vietnamese psychiatrist. Foreign prescriptions are not accepted at dispensing pharmacies. If you need a local alternative, visit the psychiatry department of a Level I hospital in Hanoi or Ho Chi Minh City. Bring your passport, original packaging, and a doctor's letter from your home prescriber.

Are there methylphenidate shortages in Vietnam?

Ritalin is not sold in Vietnam, so there is no local Ritalin supply to run short. The Drug Administration of Vietnam warned of temporary Concerta shortages during 2025^[9], so do not count on a local switch either; bring what you can within the 10-day limit.

What is the difference between Ritalin and Concerta in Vietnam?

Both brands contain methylphenidate, but they differ in release mechanism. Ritalin is immediate-release and needs several doses a day; Concerta uses extended-release OROS technology and is typically taken once daily. In Vietnam, Concerta is registered in 18, 27 and 36 mg strengths and Ritalin is not registered^[8]. The choice between them is a clinical decision for your prescriber.

Can I switch from Ritalin to Concerta in Vietnam if I run out?

A switch is possible in principle because both brands contain methylphenidate, but it requires a fresh consultation with a Vietnamese psychiatrist. The extended-release profile of Concerta means the dosing schedule and total daily amount differ from Ritalin's immediate-release formulation. A doctor must assess the appropriate dose and monitor the change. Never switch formulations without medical supervision.

Related practical guide

10 Things You Must Do Before Travelling Abroad with ADHD Medication

Some ADHD stimulants are banned outright in certain countries and tightly controlled in many others. Here is the practical checklist every traveller needs before setting off.

Ritalin in Vietnam: 10-Day Import Limit and Local Alternatives