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Bilastine

Medication non-sedating antihistamine allergy
Aka: Bilaxten
Brands seen in Singapore: Bilaxten, Aligrin, Bylastin, Elhist
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
SG label: allergic rhino-conjunctivitis and urticaria
When to take
SG label: 20 mg once daily, in one single intake
Take with
SG label: water, 1 h before or 2 h after food or juice
Pros & cons
Pros
  • HealthHub: newer antihistamine, less likely to sedate
  • SG label: no dose change needed in kidney impairment
  • SG label: one tablet a day covers hives too
Cons
  • HealthHub: dizziness, headache and some drowsiness
  • SG label: food or fruit juice cuts absorption
  • HSA: most SG bilastine packs are prescription-only
Sources
  1. HSA — Listing of Registered Therapeutic Products (data.gov.sg dataset d_767279312753558cbf19d48344577084), Forensicclassification column; all 5,511 rows cached at /tmp/hsa_all.json and filtered locally (never re-fetched), 8 bilastine rows, 27 Aug 2026 · read 2026-08-27
    what it says
    “BILAXTEN TABLET 20 mg SIN14661P, BILAXTEN ORODISPERSIBLE 10 MG and 20 MG, BILAXTEN ORAL SOLUTION, ALIGRIN SIN16474P and BYLASTIN SIN17556P read "Prescription Only"; BILAXTEN TABLET 20 MG (PHARMACY ONLY) SIN17104P and ELHIST 20 SIN17552P read "Pharmacy Only"”
  2. MOH National Drug Formulary — BILAXTEN TABLET 20 MG [SIN14661P], Indication (SG package insert) · read 2026-08-27
    what it says
    “Symptomatic treatment of allergic rhino-conjunctivitis and urticaria. BILAXTEN is indicated in adults and adolescents (12 years of age and over).”
  3. MOH National Drug Formulary — BILAXTEN TABLET 20 MG [SIN14661P], Posology and method of administration · read 2026-08-27
    what it says
    “20 mg bilastine (1 tablet) once daily … The tablet should be taken one hour before or two hours after intake of food or fruit juice … It is recommended to take the daily dose in one single intake.”
  4. MOH National Drug Formulary — BILAXTEN TABLET 20 MG [SIN14661P], Product information block · read 2026-08-27
    what it says
    “Forensic Classification: PRESCRIPTION ONLY MEDICINES · Anatomical Therapeutic Chemical (ATC) code R06AX29 · Prescription-only Medicines with Exemptions for Supply without Prescription: NA”
  5. MOH National Drug Formulary — BILAXTEN TABLET 20 MG [SIN14661P], Contraindications and renal wording · read 2026-08-27
    what it says
    “Hypersensitivity to the active substance or to any of the excipients … it is not necessary to adjust the dose of bilastine in adults … bilastine should not be used in this age group.”
  6. HealthHub (National Medication Information workgroup / Pharmaceutical Society of Singapore) — Bilastine: what is this medication for · read 2026-08-27
    what it says
    “Bilastine is used to reduce allergy symptoms and treat hives (itchy bumps appearing on the skin).”
  7. HealthHub — Bilastine: what precautions should I take · read 2026-08-27
    what it says
    “You are pregnant, planning to become pregnant, or breastfeeding. You have a heart condition (for example, prolonged QT interval) or abnormal heartbeat.”
  8. HealthHub — Bilastine: common side effects · read 2026-08-27
    what it says
    “Drowsiness (Bilastine, a newer generation of antihistamine is less likely to cause drowsiness). Dizziness. Headache”
  9. HealthHub — Bilastine: what food or medication should I avoid · read 2026-08-27
    what it says
    “Presence of food and fruit juice can reduce the absorption and effectiveness of Bilastine, therefore Bilastine should be taken on an empty stomach, at least 1 hour before, or 2 hours after eating food or drinking fruit juice.”
  10. NHS — Antihistamines (NHS conditions A–Z) · read 2026-08-27
    what it says
    “non-drowsy antihistamines that are less likely to make you feel sleepy … Most antihistamines can be bought from pharmacies and shops, but some are only available on prescription.”
  11. NHS — Antihistamines: taking antihistamines with other medicines, food or alcohol · read 2026-08-27
    what it says
    “Examples of medicines that could cause problems if taken with antihistamines include some types of: antidepressants; stomach ulcer or indigestion medicines … Try not to drink alcohol while taking an antihistamine”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.