Quantia (quetiapine)
Quetiapine · Atypical antipsychotic
Used for: Schizophrenia, bipolar disorder and, off-label, sleep.
Thai name: ควานเทีย
- Available in Thailand
- YesQuantia is registered in Thailand
- Active ingredient
- QuetiapineAtypical antipsychotic
- Prescription
- Depends on the productDifferent Thai products with this ingredient have different legal classes. See the table below.
- Controlled substance
- NoNot narcotic or psychotropic
- Bringing it in
- AllowedTraveller rules
Source: Thai FDA official records · Last checked
What is Quantia?
Quantia is a brand of quetiapine sold in Thailand. Quetiapine is an atypical antipsychotic used for schizophrenia, bipolar disorder and, off-label, sleep. It is registered with the Thai FDA as film-coated tablet, and the Thai licence holder is บริษัท ยูนีซัน จำกัด. Brand names differ between countries, so outside Thailand ask for quetiapine by name.
Is Quantia available in Thailand?
Yes. Quantia is registered with the Thai FDA. We found 3 active registrations, held by บริษัท ยูนีซัน จำกัด. Registration means the product is licensed for sale in Thailand. It does not guarantee that a particular pharmacy has it in stock.
Thai FDA registered products: Quantia
3 active registrations on the Thai FDA medicine register. Select a registration number to open the official record.
Registrations
| Product | Form | Legal class | Registration no. |
|---|---|---|---|
| QUANTIA 25ควานเทีย 25 | film - coated tablet | Pharmacist | 1A 12/55 (NG) |
| QUANTIA 100ควานเทีย 100 | film - coated tablet | Pharmacist | 1A 13/55 (NG) |
| QUANTIA 200ควานเทีย 200 | film - coated tablet | Prescription | 1A 43/53 (NG) |
Do I need a prescription for Quantia in Thailand?
It depends on the product. Some Thai quetiapine products are specially controlled drugs (prescription only) and others are dangerous drugs (pharmacist only, no prescription needed). Check the legal class of each product in the table below.
Can I bring Quantia into Thailand?
Allowed
Allowed for personal use: up to 30 days’ supply
- Bring no more than 30 days’ supply for your own use.
- Keep it in the original container.
- Carry your prescription or a doctor’s letter.
- Medicines cannot be posted or shipped to you in Thailand. The 30-day allowance applies to medicines you carry.
Legal basis: Drugs Act B.E. 2510 (1967), section 13(4). Thai FDA: FAQs on medicines (Drugs Act B.E. 2510, s.13(4))
Is Quantia a narcotic or controlled substance in Thailand?
No. Quantia (quetiapine) is not a narcotic or psychotropic substance in Thailand. On the Thai FDA list it appears in the “others” group. The ordinary medicine rules apply.
Other quetiapine products in Thailand
These contain the same active ingredient as Quantia. They are not necessarily interchangeable: strength, form and approved uses can differ, so talk to your doctor before switching.
Thai brand names for quetiapine
See every quetiapine product in Thailand → · Thai brand names A–Z
Sources
- Thai FDA medicine register (ระบบค้นหาข้อมูลผลิตภัณฑ์ยา), active-ingredient search for “Quetiapine”, retrieved 8 October 2026
- Thai FDA Narcotics Control Division, Permit for Traveller: drug list, retrieved 30 September 2026
- Thai FDA: FAQs on medicines (Drugs Act B.E. 2510, s.13(4))
Registration numbers link to the Thai FDA’s public record for each product. Spotted something out of date? Report a correction.
General information only, not medical or legal advice. Rules change, so confirm with the Thai FDA or a pharmacist before you buy, take or travel with a medicine. Medical disclaimer