Free lookups: 1/3 Unlock Pro
Clinical reference Find a medicine
Ctrl K
1 of 3 free lookups remaining Upgrade
New search Medicine profile Levocetirizine / Montelukast

Clinical medicine profile

Levocetirizine / Montelukast

Therapeutic agent (verify pharmacological class)

POM
Evidence state General guidance Reviewed 14 Aug 2026
Route
See product SmPC
Schedule
POM
ATC
Not assigned
PPB status
registered
Patient advice Check interactions
Verification required

This profile needs source confirmation

Some sections contain general class guidance rather than medicine-specific evidence. Confirm prescribing decisions against the current SmPC and Kenya STG/EML.

01 Risk first

Safety essentials

The information most likely to change a prescribing or dispensing decision.

Contraindications

  • [Levocetirizine] Hypersensitivity to the active substance or excipients.
  • Additional absolute contraindications are indication- and product-specific — consult SmPC. [Montelukast] Hypersensitivity to the active substance or excipients.
  • Additional absolute contraindications are indication- and product-specific — consult SmPC.

Precautions

  • Warnings Do not use if you have kidney disease if you have ever had an allergic reaction to this product or any of its ingredients or to an antihistamine containing cetirizine Ask a doctor before use if you have ever had trouble urinating or emptying your bladder When using this product drowsiness may occur avoid alcoholic drinks alcohol, sedatives, and tranquilizers may increase drowsiness be careful when driving a motor vehicle or operating machinery Stop use and ask doctor if you have trouble urinating or emptying your bladder an allergic reaction to this product occurs.
  • Seek medical help right away.
  • If pregnant or breast-feeding: if breast-feeding: not recommended if pregnant: ask a health professional before use Keep out of reach of children.
  • In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).
02 Point of care

Dosing matrix

Population and organ-function guidance, shown together for faster comparison.

Adult

Directions adults 65 years of age and older ask a doctor adults and children 12-64 years of age take 1 tablet (5 mg) once daily in the evening do not take more than 1 tablet (5 mg) in 24 hours 1/2 tablet (2.5 mg) once daily in the evening may be appropriate for less severe symptoms children 6-11 years of age take 1/2 tablet (2.5 mg) once daily in the evening do not take more than 1/2 tablet (2.5 mg) in 24 hours children under 6 years of age do not use consumers with kidney disease do not use

Paediatric

See label paediatric section if present; otherwise use paediatric formulary — do not extrapolate adult doses.

Renal

Review renal impairment dosing; many agents need CrCl/eGFR adjustment.

  • CrCl 0–120: Confirm renal dosing in product SmPC / primary label.
Hepatic

Review hepatic impairment dosing; monitor LFTs if agent is hepatically cleared or hepatotoxic.

03 Clinical use

Use, effects & interactions

Indications

  • Symptomatic relief of allergic conditions such as allergic rhinitis, conjunctivitis and chronic urticaria
  • prophylaxis against asthma
  • chronic asthma associated with allergy.
  • Clinical selection for Levocetirizine / Montelukast should follow culture results where relevant, Kenya STG/EML recommendations, and the current product SmPC.
  • Class context: Therapeutic agent (verify pharmacological class).
  • Confirm site-specific dose, duration and monitoring before prescribing.

Adverse effects

  • [From component Levocetirizine] Anorexia
  • increased appetite
  • taste perversion
  • dyspepsia
  • gastritis
  • stomatitis;enlarged abdomen
  • eructation
  • flatulence
  • constipation
  • rectal hemorrhage
  • hemorrhoids.
  • Fixed-dose/multi-ingredient product.
  • Clinical details partially inherited from component monographs: Levocetirizine, Montelukast.
  • Confirm combination SmPC for exact dosing.
04 Pharmacology

Mechanism & disposition

Antihistamine and leukotriene receptor antagonists Mechanism is agent-specific.

Antihistamine and leukotriene receptor ant…At receptor, enzyme, ion channel, transpor…Confirm precise molecular mechanism in cur…
Read complete mechanism

Antihistamine and leukotriene receptor antagonists Mechanism is agent-specific. At receptor, enzyme, ion channel, transporter or microbial target level, the drug alters a physiological or pathological pathway to produce its therapeutic effect. Confirm precise molecular mechanism in current SmPC / pharmacology reference for this INN before high-stakes decisions.

Onset

Product-specific

Duration

Product-specific

Route

See product SmPC

Elimination

are product-specific. Consider food effects, protein binding, hepatic CYP/UGT

Half-life

when adjusting for organ impairment, age and drug interactions. Verify parameters in the current SmPC.

05 Special populations

Pregnancy, lactation & diet

Pregnancy

[Levocetirizine] Use only if potential benefit justifies potential risk; prefer agents with better reproductive data when alternatives exist. [Montelukast] Use only if potential benefit justifies potential risk; prefer agents with better reproductive data when alternatives exist.

Lactation

[Levocetirizine] Assess infant risk vs benefit of maternal therapy; prefer agents with lactation data. [Montelukast] Assess infant risk vs benefit of maternal therapy; prefer agents with lactation data.

06 Kenya market

Brands & loaded prices

FromKES 1,105
MedianKES 1,105
Listings4
BrandManufacturerPackObserved price
GULAIR L KID PRO MED PHARMACEUTICALS LTD Dispersible Tablet Unavailable
LEMONT ZENITH HEALTHCARE LTD Coated Tablet Unavailable
ONTEL Not recorded 40MG 30*S KES 1,104.81Daima Chemist price-list reference ↗ Source date not recorded · verify current price
TELOVA SYRUP VITACURA PHARMACEUTICALS Syrup Unavailable
07 Provenance

Sources & review state

Primary sourceLocal active-ingredient clinical extract; FDA drug label via OpenFDA/DailyMed; Component monographs (multi-source pipeline); Professional class pharmacology (Therapeutic agent (verify pharmacological class))
Last reviewed14 Aug 2026
EvidenceGeneral guidance
Open source document ↗

Decision support only. Confirm patient-specific decisions against the current product SmPC, Kenya STG/EML, and professional judgement.