Leaflet: Information for the User

Kerngrip Granules for Oral Solution

Paracetamol / Phenylephrine Bitartrate / Chlorphenamine Maleate

Read this leaflet carefully before you start to take this medicine, because it contains important information for you.

• Keep this leaflet, as you may need to read it again.
• If you have any questions, consult your doctor or pharmacist.
• This medicine has been prescribed for you only, and you must not give it to others even if they have the same symptoms as you, as it may harm them.
• If you experience any side effects, consult your doctor or pharmacist even if they are not listed in this leaflet. See section 4.

It is an association of 3 active principles, paracetamol, chlorphenamine and phenylephrine.

Paracetamol is an analgesic that reduces pain and fever. Chlorphenamine is an antihistamine that relieves nasal secretion and phenylephrine acts by reducing nasal congestion.

It is indicated in adults for the relief of symptoms of colds and flu that are accompanied by fever or mild to moderate pain, congestion and nasal secretion.

Do not take Kerngrip

• If you are allergic to the active ingredients or any of the other components of this medication (listed in section 6).
• If you have high blood pressure.
• If you have hyperthyroidism.
• If you have diabetes mellitus.
• If you have tachycardia (rapid heartbeats).
• If you are being treated with any monoamine oxidase inhibitor (MAOI) medication (such as certain antidepressants or medications for Parkinson's disease).
• If you are being treated with sympathomimetic medications (medications used to treat asthma or to accelerate heart rate).
• If you are being treated with beta-blocker medications (medications for the heart or to treat blood vessel diseases) (see: Taking Kerngrip with other medications).
• If you have glaucoma (high eye pressure).
• If you have severe heart or blood vessel disease (such as coronary artery disease or angina pectoris).
• If you have severe liver or kidney disease.

Patients under 18 years old cannot take this medication.

Warnings and precautions

Consult your doctor or pharmacist before starting to take this medication.

• Do not take more medication than recommended in section 3: How to take Kerngrip.
• Chronic alcoholics should be careful not to take more than 2 packets per day of Kerngrip.
• While taking this medication, do not take other medications that contain paracetamol, as it may cause a paracetamol overdose that could damage the liver.

Consult your doctor before taking this medication:

• Patients with kidney, liver, heart, or lung diseases and patients with anemia.
• Patients with asthma who are sensitive to acetylsalicylic acid.
• Patients who are sensitive (allergic) to antihistamines, as they may be sensitive to other antihistamines (such as chlorphenamine).
• Patients who are being treated with medications for: prostate hypertrophy, bronchial asthma, slow heart rate, hypotension, cerebral arteriosclerosis, pancreatitis, peptic ulcer (gastric ulcer), pyloric obstruction (between the stomach and intestine), thyroid diseases, patients sensitive to the sedative effects of some medications.

If you are being treated with tricyclic antidepressants or medications with similar effects and experience gastrointestinal problems, stop taking this medication and consult your doctor immediately, as you may develop paralytic ileus (intestinal paralysis).

During treatment with Kerngrip, inform your doctor immediately if:

You have severe diseases, such as severe kidney failure or sepsis (when bacteria and their toxins circulate in the blood, causing damage to organs), or if you have malnutrition, chronic alcoholism, or if you are also taking flucloxacillin (an antibiotic). A severe disease called metabolic acidosis (a blood and fluid anomaly) has been reported in patients in these situations when using paracetamol at regular doses for a prolonged period or when taking paracetamol with flucloxacillin. Symptoms of metabolic acidosis may include: severe respiratory distress with deep and rapid breathing, drowsiness, feeling unwell (nausea), and vomiting.

Children and adolescents

Patients under 18 years old cannot take this medication.

Taking Kerngrip with other medications

Inform your doctor or pharmacist if you are taking or have recently taken or may need to take any other medication.

Particularly, if you are using any of the following medications, as it may be necessary to modify the dose of some of them or discontinue treatment:

• Medications for treating epilepsy: Antiepileptics (lamotrigine, phenytoin, or other hydantoins, phenobarbital, methylphenobarbital, primidone, carbamazepine).
• Medications for treating tuberculosis (isoniazid, rifampicin).
• Medications for treating seizures and depression (barbiturates), used as hypnotics, sedatives, and anticonvulsants.
• Medications used to prevent blood clotting: Oral anticoagulants (acenocoumarol, warfarin).
• Medications used to increase urine elimination (diuretics such as furosemide, or others) and other diuretics that cause potassium loss (such as diuretics for hypertension or others).
• Medications used to prevent nausea and vomiting (metoclopramide and domperidone).
• Medications used to treat gout (probencid and sulfinpyrazone).
• Medications used to treat high blood pressure and heart rhythm disorders (propranolol).
• Medications used to lower cholesterol levels in the blood (cholestyramine).
• Medications used to treat depression, Parkinson's disease, or other diseases (monoamine oxidase inhibitors (MAOIs)). You should separate the intake of Kerngrip and these medications by at least 15 days.
• Medications used to treat migraines; medications taken for childbirth; medications taken to treat high blood pressure, or other diseases (alpha-blocker medications).
• Medications that block alpha and beta-adrenergic receptors (labetalol and carvedilol) used for the heart or to treat blood vessel diseases.
• Medications used to treat depression, such as tricyclic antidepressants and tetracyclic antidepressants.
• Medications used for general anesthesia.
• Medications used to lower blood pressure.
• Medications used for the heart, such as cardiac glycosides and antiarrhythmics.
• Medications that contain thyroid hormones (used to treat thyroid diseases).
• Medications used to treat heart or digestive diseases, such as atropine sulfate.
• Medications that cause depression of the central nervous system, such as those used for insomnia or anxiety.
• Medications that are ototoxic (damage the ear).
• Medications that are photosensitizing (cause an allergic reaction to light).
• Flucloxacillin (antibiotic), due to a serious risk of blood and fluid imbalance (metabolic acidosis with high anion gap) that must be treated urgently (see section 2).

Interference with analytical tests:

Inform your doctor that you are taking this medication if you are to undergo any analytical tests (including blood, urine, etc.), as it may alter the results.

Taking Kerngrip with food, drinks, and alcohol

While taking this medication, do not consume alcoholic beverages, as it may potentiate the appearance of adverse effects of this medication.

Additionally, the use of medications containing paracetamol by patients who regularly consume alcohol (3 or more alcoholic beverages: beer, wine, liquor, etc. per day) may cause liver damage.

This medication can be taken with or without food.

Pregnancy, breastfeeding, and fertility

If you are pregnant or breastfeeding, or if you think you may be pregnant or plan to become pregnant, consult your doctor or pharmacist before taking this medication.

This medication should not be taken during pregnancy unless your doctor considers it strictly necessary.

This medication cannot be taken by mothers during breastfeeding, as it may cause adverse effects in the baby.

Driving and operating machinery

This medication may cause drowsiness. If you experience drowsiness during treatment with this medication, avoid driving vehicles or operating machinery.

Kerngrip contains mannitol (E-421)

This medication may cause a mild laxative effect due to the presence of mannitol.

Follow exactly the medication administration instructions contained in this leaflet or those indicated by your doctor or pharmacist. If you have any doubts, ask your doctor or pharmacist.

The recommended dose is:

Adults 18 years and older: 1 tablet every 6-8 hours as needed (3 or 4 tablets per day). Do not take more than 4 tablets in 24 hours.

Patients with liver or kidney disease: Should consult a doctor (see section 2. What you need to know before starting to take Kerngrip).

Use in children

This medication is contraindicated in children under 18 years.

Use in older adults

Older adults should not use this medication without consulting a doctor because they may be especially affected by some medication side effects such as slow heart rate (bradycardia) or reduced cardiac output, due to phenylephrine and chlorphenamine. They may also be more likely to experience side effects such as sedation, confusion, hypotension, or excitement, and may be more sensitive to effects such as dry mouth and urinary retention.

How to take

Kerngrip is taken orally.

Dissolve the contents of the packet completely in a little liquid, preferably half a glass of water and then drink.

Always take the smallest effective dose.

The taking of this medication is subject to the appearance of symptoms. As these disappear, treatment should be discontinued.

If the fever persists after more than 3 days of treatment, the pain or other symptoms more than 5 days, or the symptoms worsen or new symptoms appear, you should consult a doctor.

If you take more Kerngrip than you should

If you have ingested an overdose, you should immediately go to a medical center, even if you do not notice the symptoms, as they often do not manifest until 3 days after ingestion of the overdose, even in cases of severe poisoning.

The symptoms of overdose may be: dizziness, vomiting, loss of appetite, yellowing of the skin and eyes (jaundice), and abdominal pain. Anxiety, fear, agitation, headache (may be a symptom of high blood pressure), convulsions, insomnia (or intense somnolence), clumsiness, feeling of fainting, instability, confusion, irritability, tremors, anorexia; psychosis with hallucinations (this last one especially in children). Dryness of the mouth, nose, or throat. You may also notice effects such as high blood pressure, arrhythmias (rapid or irregular heartbeats), palpitations, decreased urine output, metabolic acidosis (decreased blood alkalinity reserve). In cases of prolonged use, a decrease in blood volume may occur.

The treatment of an overdose is more effective if it is started within 4 hours of taking the overdose of the medication.

Patients undergoing barbiturate treatment or chronic alcoholics may be more susceptible to the toxicity of a paracetamol overdose.

In case of overdose or accidental ingestion, immediately go to a medical center or call the Toxicological Information Service (Telephone 91 562 04 20), indicating the medication and the amount ingested.

Like all medicines, this medicine may cause side effects, although not everyone will experience them.

During the period of use of paracetamol, phenylephrine, and chlorphenamine, the following side effects have been reported, whose frequency has not been established with precision:

• The side effects that may appear most frequently are:

Mild drowsiness, dizziness, muscle weakness: these side effects may disappear after 2-3 days of treatment. Difficulty moving the face, clumsiness, tremors, alterations in sensations and paresthesia, dry mouth, loss of appetite, alterations in taste or smell, gastrointestinal discomfort (which may decrease if the medication is taken with food), nausea, vomiting, diarrhea, constipation, stomach pain, urinary retention, dryness of the nose and throat, thickening of mucosities, sweating, blurred vision, or other visual disturbances.

• The side effects that may appear with low frequency (rare) are:

Discomfort, low blood pressure, and increased levels of transaminases in the blood. Myocardial infarction, ventricular arrhythmia (irregular heartbeats), pulmonary edema (increase in lung volume) and cerebral hemorrhage (at high doses or in sensitive patients).

Nervous excitement (usually with high doses, and is more frequent in the elderly and children), which may include symptoms such as: restlessness, insomnia, nervousness, and even convulsions. Other side effects that may appear with low frequency are: chest tightness, lung sounds, rapid or irregular heartbeats (usually with overdose), liver disturbances (which may present with stomach or abdominal pain, dark urine, or other symptoms), allergic reaction, severe hypersensitivity reactions (cough, difficulty swallowing, rapid heartbeats, itching, swelling of eyelids or around the eyes, face, tongue, difficulty breathing, etc.), photosensitivity (sensitivity to sunlight), cross-sensitivity (allergy) with related chlorphenamine medications. Blood alterations (changes in the formula of blood cells, such as agranulocytosis, leukopenia, aplastic anemia, thrombocytopenia) with symptoms such as unusual bleeding, sore throat, or fatigue; low or high blood pressure, edema (swelling), ear alterations, impotence, menstrual alterations.

• The side effects that may appear with very low frequency (very rare) are:

Kidney diseases, cloudy urine, allergic dermatitis (skin rash), jaundice (yellow discoloration of the skin), blood alterations (neutropenia, hemolytic anemia) and hypoglycemia (low blood sugar).

Paracetamol may damage the liver when taken in high doses or with prolonged treatment.

Very rarely, severe skin reactions have been reported.

• The side effects whose frequency of appearance is unknown, are:

Anxiety, irritability, weakness, high blood pressure (hypertension, usually with high doses and in sensitive patients), headache (with high doses and may be a symptom of hypertension), very slow heartbeats (bradycardia), reduction in peripheral blood vessel diameter (vasoconstriction), reduction in heart function that affects the elderly and patients with poor cerebral or coronary circulation, possible production or worsening of heart disease, urinary retention, pallor, goosebumps, high blood sugar (hyperglycemia), low potassium in the blood, metabolic acidosis (metabolic disturbance), coldness in the extremities (legs or arms), flushing, sensation of fainting (hypotension). With high doses, vomiting, palpitations, psychotic states with hallucinations may occur; with prolonged use, a decrease in blood volume may occur.A severe disease that may make the blood more acidic (denominated metabolic acidosis) in patients with severe disease using paracetamol (see section 2).

Reporting of side effects

If you experience any type of side effect, consult your doctor or pharmacist, even if it is a possible side effect that does not appear in this prospectus. You can also report them directly through the Spanish System of Pharmacovigilance of Medicines for Human Use (Website: www.notificaRAM.es). By reporting side effects, you can contribute to providing more information on the safety of the medication.

Keepthis medicationout of the sight and reach of children.

Do not usethis medicationafter the expiration date that appears on the packaging, after CAD. The expiration date is the last day of the month indicated.

No special storage conditions are required.

Medicines should not be disposed of through drains or in the trash. Dispose of the packaging and unused medications at the SIGREpoint of the pharmacy. If in doubt, ask your pharmacist how to dispose of unused packaging and medications. By doing so, you will help protect the environment.

Kerngrip Composition

Each blister pack contains:

• As active principles: 1 g of paracetamol, 15.58 mg of phenylephrine bitartrate (equivalent to 8.21 mg of phenylephrine) and 4 mg of chlorphenamine maleate (equivalent to 2.8 mg of chlorphenamine).
• The other components (excipients) are: Mannitol (E-421), sodium saccharin, anhydrous colloidal silica, orange flavor (containing maltodextrin, a cornstarch derivative) and povidone.

Product appearance and packaging content

Kerngrip is an oral granule solution of white or light yellow color and orange flavor, presented in blisters that are packaged in cardboard containers with 10 blisters.

Marketing Authorization Holder

Kern Pharma, S.L.

Venus, 72– Pol. Ind.Colón II

08228 Terrassa - Barcelona

Spain

Responsible for Manufacturing

Laboratorios Alcalá Farma, S.L.

Avenida de Madrid, 82

28802 Alcalá de Henares (Madrid)

This leaflet has been approved inFebruary 2025

The detailed and updated information on this medication is available on the website of the Spanish Agency for Medicines and Medical Devices (AEMPS)

http://www.aemps.gob.es/