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New search Medicine profile dextromethorphan 10 mg

Clinical medicine profile

dextromethorphan 10 mg

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

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

Precautions

  • Warnings Liver warning: This product contains acetaminophen.
  • Severe liver damage may occur if you take: more than 4,000 mg of acetaminophen in 24 hours with other drugs containing acetaminophen 3 or more alcoholic drinks every day while using this product Allergy alert: Acetaminophen may cause severe skin reactions.
  • Symptoms may inclide: skin reddening blisters rash If a skin reaction occurs, stop use and seek medical help right away.
  • Sore throat warning: If sore throat is severe, persists for more than 2 days, is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly.
  • Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease) or for 2 weeks after stopping the MAOI drug.
  • If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. with any other drug containing acetaminophen (prescription or non-prescription).
  • If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist.
  • Ask a doctor before use if you have liver disease heart disease diabetes high blood pressure thyroid disease trouble urinating due to an enlarged prostate gland cough that occurs with too much phlegm (mucus) persistent or chronic cough such as occurs with smoking, asthma, or emphysema Ask a doctor or pharmacist before use if you are taking the blood thinning drug warfarin.
  • When using this product, do not exceed recommended dosage Stop use and ask a doctor if nervousness, dizziness, or sleeplessness occur pain, cough, or nasal congestion gets worse or lasts more than 7 days fever gets worse or lasts more than 3 days redness or swelling is present new symptoms occur cough comes back or occurs with a rash or headache that lasts.
  • These could be signs of a serious condition.
  • If pregnant or breast-feeding, ask a health professional before use.
  • Keep out of reach of children.
02 Point of care

Dosing matrix

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

Adult

Directions do not take more than directed (see overdose warning ) do not take more than 6 doses (180 mL) in any 24-hour period measure only with dosing cup provided. Do not use any other dosing device. mL= milliliter keep dosing cup with product adults and children 12 years and over 30 mL every 4 hours chlldren under 12 years of age: 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

Uses temporarily relieves these symptoms due to a cold minor aches and pains headache nasal and sinus congestion sore throat cough due to minor throat and bronchial irritation temporarily reduces fever

Adverse effects

  • Adverse reactions vary by agent.
  • Counsel on common predictable effects and serious warning symptoms (allergy, severe rash, jaundice, unusual bleeding, severe GI symptoms, neurological changes).
  • Report suspected ADRs via national pharmacovigilance channels.
  • Professional use: confirm indication, dose, duration, monitoring and patient counselling points against current Kenya STG / EML and the product SmPC.
  • Document allergy status and key interactions.
04 Pharmacology

Mechanism & disposition

Mechanism is agent-specific.

Mechanism is agent-specific.At receptor, enzyme, ion channel, transpor…Confirm precise molecular mechanism in cur…
Read complete mechanism

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

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

Lactation

Assess infant risk vs benefit of maternal therapy; prefer agents with lactation data.

06 Kenya market

Brands & loaded prices

From—
Median—
Listings0
BrandManufacturerPackObserved price
No reviewed brand listings are linked yet.
07 Provenance

Sources & review state

Primary sourceFDA drug label via OpenFDA/DailyMed; Local active-ingredient clinical extract; 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.