What to Put on a Blood-Type and Allergy Card for Vietnam Hospitals
💡 Carry a wallet card listing your blood type, all drug and food allergies in Vietnamese and English, your current medications by generic name, and any critical conditions. Add your insurer's hotline and one local emergency contact. For emergencies in Da Nang, call 115 for an ambulance. Staff at Vinmec and Family Medical Practice read English.
Key takeaways
- Blood type (nhóm máu): include the ABO group (A, B, AB, or O) and the Rh factor. Rh-negative is extremely rare in Vietnam (about 0.1% of the population): if you are Rh-negative, tell the admitting nurse verbally as well.
- Drug allergies come first: write "KHÔNG ĐƯỢC DÙNG" (must not give) in bold at the top of the allergy section, with the generic drug name, the trade name in brackets, and the reaction type (rash, anaphylaxis).
- Current medications: list by generic name plus trade name in brackets, the dose, and the frequency.
- Bilingual beats English-only: Vinmec Da Nang and Family Medical Practice have English-reading staff, but any ward-level clinic does not. A Vietnamese-and-English card works at every facility.
- Verify the card's data with your home doctor before travel. A card is only as good as the information on it.
What information should a blood-type and allergy card include?
A medical alert card for Vietnam hospital visits should cover six categories: blood type, drug allergies (the highest-risk item), food allergies, current medications, key medical conditions, and an emergency contact.
For blood type, include both the ABO group (A, B, AB, or O) and the Rh factor (positive or negative). Rh-negative blood is very rare in Vietnam, which matters clinically: the hospital may need to source it specially. If you are Rh-negative, mention it verbally to the admitting nurse as well as on the card.
For drug allergies, put "KHÔNG ĐƯỢC DÙNG" in bold at the top of the allergy section, then list the generic drug name, the trade name in brackets, and the reaction type. "Rash" and "anaphylaxis" are very different urgency levels.
Add one emergency contact number with a country code, plus your travel insurer's 24-hour assistance line and policy number on the back.
Which Vietnamese terms should the card carry?
Writing the key terms in Vietnamese means any nurse, pharmacist, or admissions clerk can read your card, not only doctors at international clinics. Print the following labels in Vietnamese alongside the English on your card:
- Nhóm máu: blood type (e.g., Nhóm máu A, Rh dương / Rh âm)
- KHÔNG ĐƯỢC DÙNG: must not give (put this above the allergy list)
- Dị ứng thuốc: drug allergy
- Dị ứng thức ăn: food allergy
- Thuốc đang dùng: current medications
- Bệnh mãn tính: chronic condition
- Tiểu đường: diabetes
- Huyết áp cao: high blood pressure
- Liên hệ khẩn cấp: emergency contact
Print the card rather than storing it only on your phone, in case the phone battery dies or the screen is locked when someone needs to read the card.
Where can I confirm my blood type in Da Nang?
If you are unsure of your blood type, three facilities in Da Nang can run a blood-type test: Vinmec Da Nang International Hospital (30 Thang 4 St, tel 0236 3711 111), Family Medical Practice Da Nang (96-98 Nguyen Van Linh, tel +84 236 3582 699), and Da Nang General Hospital (124 Hai Phong, tel 0236 3821 118). Costs are not published officially; call ahead to confirm the current fee and whether a walk-in appointment is available.
A written certificate of blood type from a Vietnamese hospital is also useful to have on file, particularly if you are Rh-negative and need elective surgery while in the country.
If you need bilingual support at the appointment or help getting the result translated for your records, the Da Nang Help hospital interpreter service provides in-person bilingual support at Da Nang medical facilities.
Will a Vietnamese hospital understand an English-only card?
At international clinics, an English-only card is generally readable by the duty doctor. At Da Nang General Hospital or a ward-level clinic, English literacy varies, and a triage nurse working under pressure may not speak English.
A bilingual card in Vietnamese and English works at every facility and takes only a few minutes to create. Put the allergy warning in Vietnamese in the largest font at the top so a nurse sees it immediately, even if no English-speaker is present.
What if I cannot hand over my card in an emergency?
A medical card only helps if someone finds it. Keep it in a consistent, visible location: the front pocket of your wallet, a dedicated card slot in a bag, or a medical-ID bracelet for conditions where immediate identification is critical (severe anaphylaxis, insulin-dependent diabetes).
For genuine medical emergencies in Da Nang and Central Vietnam, call 115 (ambulance, 24/7). Operators answer in Vietnamese; ask a bystander or your hotel to call on your behalf if needed.
If you need a bilingual interpreter during a hospital stay in Da Nang or help with discharge paperwork after treatment, the Da Nang Help service covers Da Nang and Central Vietnam.
FAQ
Can I use a digital medical ID on my phone instead of a printed card?
A digital card (Apple Health, Google Health, or a dedicated app) works well as a backup, but a printed card is more reliable in an emergency: phones run out of battery, lock with a passcode, or get damaged. A laminated printed card in your wallet is always readable and costs nothing. Keep both if possible.
How do I say my blood type in Vietnamese?
Say "Nhóm máu của tôi là [type]" (My blood type is [type]). For example: "Nhóm máu của tôi là A dương" for A positive, or "Nhóm máu của tôi là O âm" for O negative. The Rh factor is "dương" (positive) or "âm" (negative). Write it on the card exactly the same way for nurses who prefer to read rather than listen.
Is Rh-negative blood available at Da Nang hospitals?
Rh-negative blood (particularly O-negative) is extremely rare in Vietnam, representing roughly 0.1% of the Vietnamese population. Vinmec Da Nang and Da Nang General Hospital both have blood banks, but Rh-negative inventory is not always available and must be planned for in advance. If you are Rh-negative, disclose it to treating staff as early as possible so they can plan for sourcing if needed.
What if my medical condition is too complex for a wallet card?
Ask your home doctor to write a brief medical summary letter in English before you travel. At Vinmec Da Nang or Family Medical Practice, English-reading staff can add it to your file. For use at public hospitals, a certified Vietnamese translation of that summary helps considerably. Your wallet card still needs the basics: blood type, critical allergies, and an emergency contact, even when the full summary is in a separate document.
Should I include my travel insurance details on the card?
Yes. Add your insurer's 24-hour assistance hotline and your policy number on the back of the card or on a separate laminated slip in the same wallet slot. Da Nang hospitals increasingly ask about insurance at registration. Having the number ready speeds up pre-approval calls and direct-billing arrangements and reduces the amount of cash you may need upfront.
Official sources
- Vinmec Da Nang International Hospital (official website) - address 30 Thang 4 St, Da Nang; tel 0236 3711 111; international patient line +84 378 809 779; 24-hour operation; JCI-accredited. Verified September 2026.
- Family Medical Practice Da Nang (official clinic website) - address 96-98 Nguyen Van Linh; tel +84 236 3582 699; 24/7 emergency line +84 913 917 303. Verified September 2026.
- U.S. Embassy in Vietnam, safety and security advice - emergency number 115 confirmed. Verified October 2026.
- UK Government, Vietnam travel advice: getting help - emergency numbers 113, 114, 115 confirmed. Verified October 2026.
For bilingual interpreter support at a Da Nang hospital, or for certified medical translation in Central Vietnam, the Da Nang Help service can assist.
Écrit par Đào Huy (Lucas), traducteur vietnamien et local anglophone à Da Nang. Quand des démarches ou un imprévu se heurtent au mur de la langue vietnamienne, je vous accompagne en personne et fournis les traductions signées qui vont avec. Obtenir de l'aide à Da Nang → · Traduction certifiée →
