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LEMSIP MAX SINUS STEAM RELIEF

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1.

NAME OF THE MEDICINAL PRODUCT
Lemsip Max Sinus

2.

QUALITATIVE AND QUANTITATIVE COMPOSITION
Active Ingredients

Mg/Sachet

Specification

Paracetamol
Phenylephrine hydrochloride*

1000.00
12.20

Ph Eur
Ph Eur

* Equivalent to phenylephrine (base) 10.0 mg.

3.

PHARMACEUTICAL FORM
Oral powder.

4.

CLINICAL PARTICULARS

4.1.

Therapeutic indications
For the relief of the sinus pain and congestion associated with colds and flu, including relief
of aches and pains, headache, nasal congestion and lowering of temperature.

4.2.

Posology and method of administration
Oral administration after dissolution in water.
Adults and children 12 and over: One sachet dissolved by stirring in hot water and
sweetened to taste.
The dose may be repeated in 4-6 hours.
No more than four doses should be taken in 24 hours.
Not to be given to children under 12 without medical advice.
There is no indication that dosage need be modified in the elderly.

4.3

Contraindications






4.4

Hypersensitivity to paracetamol, phenylephrine or any other ingredient.
Severe coronary heart disease and cardiovascular disorders.
Hypertension.
Hyperthyroidism.
Contraindicated in patients currently receiving or within two weeks of stopping therapy with
monoamine oxidase inhibitors (see section 4.5).

Special warnings and precautions for use
Use with caution in patients with Raynaud's phenomenon or diabetes mellitus.
Care is advised in the administration of paracetamol to patients with severe renal or severe hepatic
impairment. The hazard of overdose is greater in those with non-cirrhotic alcoholic liver disease.
Patients should be advised not to take other paracetamol -containing products concurrently.
Each sachet contains approximately 2.0 g of carbohydrate. Due to its aspartame content this product
should not be given to patients with phenylketonuria.
Phenylephrine
Phenylephrine should be used with care in patients with cardiovascular disease, diabetes mellitus,
closed angle glaucoma, prostatic enlargement and hypertension.

4.5

Interaction with other medicinal products and other forms of interaction
Paracetamol
The speed of absorption of paracetamol may be increased by metoclopramide or domperidone and
absorption reduced by cholestyramine.
The anticoagulant effect of warfarin and other coumarins may be enhanced by prolonged regular
daily use of paracetamol with increased risk of bleeding; occasional doses have no significant effect.
Medicinal products which induce hepatic microsomal enzymes such as alcohol, barbiturates,
monoamine oxidase inhibitors and tricyclic antidepressants, may increase the hepatotoxicity of
paracetamol particularly after overdose.
Phenylephrine hydrochloride
Monoamine oxidase inhibitors (including moclobemide): hypertensive interactions occur between
sympathomimetic amines such as phenylephrine and monoamine oxidase inhibitors (see section 4.3).
Sympathomimetic amines: concomitant use of phenylephrine with other sympathomimetic amines
can increase the risk of cardiovascular side effects.
Beta-blockers and other antihypertensives (including debrisoquine, guanethidine, reserpine,
methyldopa): phenylephrine may reduce the efficacy of beta-blockers and antihypertensives. The
risk of hypertension and other cardiovascular side effects may be increased (see section 4.3).
Tricyclic antidepressants (e.g. amitriptyline): may increase the risk of cardiovascular side effects
with phenylephrine (see section 4.3).
Digoxin and cardiac glycosides: concomitant use of phenylephrine may increase the risk of irregular
heartbeat or heart attack.

4.6

Pregnancy and lactation

Paracetamol
Epidemiological studies in human pregnancy have shown no ill effects due to paracetamol
used in the recommended dosage, but patients should follow the advice of their doctor
regarding its use. Paracetamol is excreted in breast milk, but not in a clinically significant
amount. Available published data do not contraindicate breast feeding.
Phenylephrine hydrochloride
The safety of this medicine during pregnancy and lactation has not been established but in
view of a possible association of foetal abnormalities with first trimester exposure to
phenylephrine, the use of the product during pregnancy should be avoided. In addition,
because phenylephrine may reduce placental perfusion, the product should not be used in
patients with a history of pre-eclampsia.
In view of the lack of data on the use of phenylephrine during lactation, this medicine
should not be used during breast feeding.
4.7

Effects on ability to drive and use machines
Lemsip Max Sinus has no or negligible influence on ability to drive or use machinery.

4.8

Undesirable effects
Paracetamol
Adverse effects of paracetamol are rare, but hypersensitivity including skin rash may occur.
There have been a few reports of blood dyscrasias including thrombocytopenia, leucopenia,
pancytopenia, neutropenia and agranulocytosis, but these were not necessarily causally
related to paracetamol.
Acute pancreatitis after ingestion of above normal amounts.
Phenylephrine hydrochloride
High blood pressure with headache and vomiting, probably only in overdose. Rarely
palpitations. Also, rare reports of allergic reactions and occasionally urinary retention in
males.

4.9

Overdose
Paracetamol
Liver damage is possible in adults who have taken 10 g or more of paracetamol. Ingestion of
5 g of more of paracetamol may lead to liver damage if the patient has risk factors (see
below).
Risk factors
If the patient:
(a) Is on long-term treatment with carbamazepine, phenobarbitone, phenytoin, primidone,
rifampicin, St John's Wort or other drugs that induce liver enzymes.
Or

(b) Regularly consumes ethanol in excess of recommended amounts.
Or
(c) Is likely to be glutathione depleted, e.g. eating disorders, cystic fibrosis, HIV infection,
starvation, cachexia.
Symptoms
Symptoms of paracetamol overdose in the first 24 hours are pallor, nausea, vomiting,
anorexia and abdominal pain. Liver damage may become apparent 12 to 48 hours after
ingestion. Abnormalities of glucose metabolism and metabolic acidosis may occur. In severe
poisoning, hepatic failure may progress to encephalopathy, haemorrhage, hypoglycaemia,
cerebral oedema and death. Acute renal failure with acute tubular necrosis, strongly
suggested by loin pain, haematuria and proteinuria, may develop even in the absence of
severe liver damage. Cardiac arrhythmias and pancreatitis have been reported.
Management
Immediate treatment is essential in the management of paracetamol overdose. Despite a lack
of significant early symptoms, patients should be referred to hospital urgently for immediate
medical attention. Symptoms may be limited to nausea or vomiting and may not reflect the
severity of overdose or the risk of organ damage. Management should be in accordance with
established treatment guidelines. See BNF overdose section.
Treatment with activated charcoal should be considered if the overdose has been taken
within 1 hour. Plasma paracetamol concentration should be measured at 4 hours or later after
ingestion (earlier concentrations are unreliable). Treatment with N-acetylcysteine may be
used up to 24 hours after ingestion of paracetamol, however, the maximum protective effect
is obtained up to 8 hours post-ingestion. The effectiveness of the antidote declines sharply
after this time. If required the patient should be given intravenous N-acetylcysteine, in line
with the established dosage schedule. If vomiting is not a problem, oral methionine may be a
suitable alternative for remote areas, outside hospital. Management of patients who present
with serious hepatic dysfunction beyond 24 hours from ingestion should be discussed with
the NPIS or a liver unit.
Phenylephrine hydrochloride
Features of severe overdose of phenylephrine include haemodynamic changes and
cardiovascular collapse with respiratory depression. Treatment includes early gastric lavage
and symptomatic and supportive measures. Hypertensive effects may be treated with an i.v.
alpha-receptor blocking agent.
Phenylephrine overdose is likely to result in: nervousness, headache, dizziness, insomnia,
increased blood pressure, nausea, vomiting, mydriasis, acute angle closure glaucoma (most
likely to occur in those with closed angle glaucoma), tachycardia, palpitations, allergic
reactions (e.g. rash, urticaria, allergic dermatitis), dysuria, urinary retention (most likely to
occur in those with bladder outlet obstruction, such as prostatic hypertrophy).
Additional symptoms may include, hypertension, and possibly reflex bradycardia. In severe
cases confusion, hallucinations, seizures and arrhythmias may occur. However the amount
required to produce serious phenylephrine toxicity would be greater than that required to
cause paracetamol-related liver toxicity.

Treatment should be as clinically appropriate. Severe hypertension may need to be treated
with alpha blocking medicinal products such as phentolamine.

5.

PHARMACOLOGICAL PROPERTIES

5.1.

Pharmacodynamic properties
Paracetamol: Paracetamol has both analgesic and antipyretic activity which is believed to be
mediated principally through its inhibition of prostaglandin synthesis within the central
nervous system.
Phenylephrine: Phenylephrine is a post-synaptic alpha-receptor agonist with low
cardioselective beta-receptor affinity and minimal central stimulant activity. It is a
recognised decongestant and acts by vasoconstriction to reduce oedema and nasal swelling.

5.2.

Pharmacokinetic properties

Paracetamol: Paracetamol is absorbed rapidly and completely mainly from the small
intestine producing peak plasma levels after 15-20 minutes following oral dosing.
In a study of healthy controls fasted overnight the Tmax for an equivalent product compared
to two tablets of standard paracetamol was 20 minutes versus 35 minutes (p=0.0865).
However, the speed to achieve 10 µg/ml for the product was faster than a standard
paracetamol (17 minutes versus 30 minutes).
The systemic availability is subject to first-pass metabolism and varies with dose between
70% and 90%. The drug is rapidly and widely distributed throughout the body and is
eliminated from plasma with a T1/2 of approximately 2 hours. The major metabolites are
glucuronide and sulphate conjugates (>80%) which are excreted in urine.

5.3.

Phenylephrine: Phenylephrine is absorbed from the gastrointestinal tract, but has reduced
bioavailability by the oral route due to first-pass metabolism. It retains activity as a nasal
decongestant when given orally, the drug distributing through the systemic circulation to the
vascular bed of nasal mucosa. When taken by mouth as a nasal decongestant phenylephrine
is usually given at intervals of 4 – 6 hours.
Preclinical safety data
No preclinical findings of relevance have been reported.

6.

PHARMACEUTICAL PARTICULARS

6.1.

List of excipients

Sodium citrate, citric acid anhydrous, curcumin, lemon flavour, menthol flavour, aspartame,
saccharin sodium, pulverised sucrose, caster sugar, ascorbic acid and menthol flavour
550469TP0300.

6.2.

Incompatibilities
None known.

6.3.

Shelf life
Three years.

6.4.

Special precautions for storage
Store below 25°C in a dry place.

6.5.

Nature and contents of container
Heat-sealed laminate sachet of Paper, PE, Aluminium foil and Ionomer
Pack sizes: 1, 5 and 10 sachets, and 5 sachets + vent, 10 sachets + vent, and 5 sachets + vent and
mug, 10 sachets + vent + mug.

6.6.

Instruction for use and handling
Oral administration after dissolution in water.

7.

MARKETING AUTHORISATION HOLDER
Reckitt Benckiser Healthcare (UK) Limited
Dansom Lane
Hull, HU8 7DS
East Yorkshire
United Kingdom

8.

MARKETING AUTHORISATION NUMBER
PL 00063/0146

9.

DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION
17 March 2004

10

DATE OF REVISION OF THE TEXT
08/03/2013

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.

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