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Fedac (brand)

Medication antihistamine + decongestant cold & fluallergy
Aka: pseudoephedrine hcl 60 mg + triprolidine hcl 2.5 mg (tablet), pseudoephedrine hcl 30 mg + triprolidine hcl 1.25 mg per 5 ml (syrup), triprolidine/pseudoephedrine
Brands seen in Singapore: Fedac (Teva)
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
Blocked nose, cold, sinus and allergy symptoms per label
When to take
3 times a day per label · not too close to bedtime
Take with
With or without food (HealthHub) · label is silent on food
Pros & cons
Pros
  • Covers runny nose, sneezing and blocked nose together
  • No prescription needed — pharmacist-supplied (p class)
  • Tablet or syrup — both HSA-registered strengths
Cons
  • Drowsiness — label: no driving or machinery if affected
  • Label: dry mouth, restlessness, trouble in sleeping
  • Label bars severe hypertension/severe coronary disease
Sources
  1. MOH National Drug Formulary — FEDAC TABLET [SIN03116P] (HSA-registered product record) · read 2026-08-27
    what it says
    “PSEUDOEPHEDRINE HCL - 60 MG … TRIPROLIDINE HCL - 2.5 MG … TABLET … PHARMACY ONLY MEDICINES … TEVA PHARMACEUTICAL INVESTMENTS SINGAPORE PTE. LTD. … PT ACTAVIS INDONESIA - INDONESIA REP OF … R01BA52”
  2. MOH National Drug Formulary — FEDAC SYRUP [SIN03193P] (HSA-registered product record + clinical info) · read 2026-08-27
    what it says
    “PSEUDOEPHEDRINE HCL - 30 MG/5 ML … TRIPROLIDINE HCL - 1.25 MG/5 ML … SYRUP … PHARMACY ONLY MEDICINES … nasal and respiratory congestion, common cold, acute sinusitis, allergic rhinitis … 2 teaspoonfuls 3 times a day … 1 teaspoonful is equal to 5ml … severe hypertension or severe coronary artery disease … hyperthyroidism”
  3. HSA — Listing of Registered Therapeutic Products (official open dataset on data.gov.sg, managed by HSA, last updated 7 Aug 2026; same register as HSA Infosearch) · read 2026-08-27
    what it says
    “SIN03116P · FEDAC TABLET · PSEUDOEPHEDRINE HCl&&TRIPROLIDINE HCl · 60 mg&&2.5 mg · TABLET · Pharmacy Only · TEVA PHARMACEUTICAL INVESTMENTS SINGAPORE PTE. LTD. · PT ACTAVIS INDONESIA — SIN03193P · FEDAC SYRUP · PSEUDOEPHEDRINE HCl&&TRIPROLIDINE HCl · 30 mg/5 ml&&1.25 mg/5 ml · SYRUP · Pharmacy Only · TEVA PHARMACEUTICAL INVESTMENTS SINGAPORE PTE. LTD. · PT ACTAVIS INDONESIA”
  4. Fedac Tablet and Syrup — Singapore package leaflet (Teva / PT Actavis Indonesia, rev. Sept 2020; PDF copy hosted by drlesliekoh.com.sg) · read 2026-08-27
    what it says
    “Triprolidine HCl BP 2.5mg/tablet … Pseudoephedrine HCl BP 60mg/tablet … Triprolidine HCl BP 1.25mg/5ml … Pseudoephedrine HCl BP 30mg/5ml … Symptomatic treatment of nasal and respiratory congestion, common cold, acute sinusitis, allergic rhinitis … Tablet : Adults : 1 tablet 3 times a day … patients with severe hypertension or severe coronary artery disease; patients who are taking or have taken MAOIs within the preceding 2 weeks; patients with hyperthyroidism … Triprolidine may cause drowsiness. If affected do not drive or operate machinery … Triprolidine may enhance the drowsiness caused by sedative drugs and alcohol … Concomitant use of Fedac with sympathomimetic agents or with MAOIs may cause a rise in blood pressure. Pseudoephedrine may reverse the hypotensive activity of drugs which interfere with sympathetic activity … Drowsiness, dryness of mouth, nervousness, restlessness, trouble in sleeping … There are no specific data on the use of triprolidine and pseudoephedrine during pregnancy … Not to be used in children less than 2 years of age”
  5. HealthHub (MOH Singapore) — Triprolidine medication page (updated 3 Jun 2026; brand names incl. Fedac, Actifed, Decondine) · read 2026-08-27
    what it says
    “Relief of runny nose due to allergies, cold or flu … Relief of sneezing due to allergies … You may take this medication with or without food … Diabetes … Increased eye pressure (glaucoma) … Difficulty urinating or have a history of other bladder conditions … High blood pressure … Heart or thyroid disease … Do not take with or within 14 days of stopping monoamine oxidase inhibitors (MAOIs) such as moclobemide or selegiline … Avoid alcoholic drinks as this may increase drowsiness … Avoid driving or taking part in activities that require concentration while on this medication”
  6. HealthHub (MOH Singapore) — Loratadine/Pseudoephedrine page, pseudoephedrine section (reviewed 26 Mar 2026) · read 2026-08-27
    what it says
    “Pseudoephedrine helps to relieve blocked nose … You may take this medication with or without food … High blood pressure … Heart disease or abnormal heart rhythm … Hyperthyroidism (overactive thyroid gland) … Diabetes … Glaucoma (high eye pressure) … Prostate or bladder problems … Trouble sleeping … Avoid taking too close to your sleep time … Restlessness … Do not take this medication with, or within 14 days of stopping, monoamine oxidase inhibitors”
  7. NHS — Who can and cannot take pseudoephedrine (reviewed 2 Nov 2022) · read 2026-08-27
    what it says
    “high blood pressure (hypertension) … heart disease … taken medicines for depression known as monoamine oxidase inhibitors (MAOIs) in the last 2 weeks … diabetes … an overactive thyroid gland (hyperthyroidism) … glaucoma (increased pressure in the eye) … an enlarged prostate … liver or kidney problems”
  8. NHS — Taking pseudoephedrine with other medicines and herbal supplements (reviewed 2 Nov 2022) · read 2026-08-27
    what it says
    “antidepressants known as monoamine oxidase inhibitors (MAOIs) … digoxin, a medicine for heart failure … tricyclic antidepressants, such as amitriptyline … ergot alkaloids, such as ergotamine (for migraine) … medicines for high blood pressure, such as beta blockers or methyldopa … other medicines for a blocked nose, such as xylometazoline and oxymetazoline”
  9. NHS — How and when to take pseudoephedrine (reviewed 2 Nov 2022) · read 2026-08-27
    what it says
    “You can take pseudoephedrine tablets and liquid with or without food … You can take pseudoephedrine for a few days, usually up to 5 to 7 days, for the short-term relief of a stuffy or blocked nose … Taking too much pseudoephedrine can be dangerous. It can make you restless, make your heartbeat faster, and make you feel sick or vomit”
  10. HSA Adverse Drug Reaction News Bulletin, Apr 2024 Vol 26 No 1 — pseudoephedrine and rare PRES/RCVS · read 2026-08-27
    what it says
    “A very small number of overseas cases of posterior reversible encephalopathy syndrome (PRES) and reversible cerebral vasoconstriction syndrome (RCVS) have been reported with pseudoephedrine … contraindicated the use of pseudoephedrine in patients with severe or uncontrolled hypertension or severe renal disease, which are risk factors for PRES and RCVS … there are 31 products currently registered. Of these, one is a Prescription Only Medicine while the others are Pharmacy Only Medicines … To date, HSA has not received any local adverse event report of PRES or RCVS associated with pseudoephedrine”
  11. HSA — List of reclassified medicines (forensic class definitions: POM / P / GSL) · read 2026-08-27
    what it says
    “P: A therapeutic product that can be obtained from a pharmacist at a retail pharmacy without a prescription … GSL: A therapeutic product that can be obtained from any retailer”
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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.