Many people wonder, "What is Theralene used for?" when they see it prescribed in their medication list. Theralene 90ml is an antihistamine medication. So, what does Theralene treat? Read this article to find useful information!
1. Uses of Theralene
Theralene 90ml contains alimemazine, an antihistamine. This cough medicine is indicated for the following conditions:
- Transient insomnia due to work pressure, mental stress, or life events (such as divorce, breakups, or the loss of a loved one).
- Relief of allergy symptoms, including allergic rhinitis, seasonal rhinitis, conjunctivitis, and urticaria (hives).
- Reduction of dry, irritating cough.
Theralene 90ml should not be used in the following cases:
- Patients with a history of allergic reactions to antihistamines.
- Patients with agranulocytosis (a significant decrease in white blood cells) due to other phenothiazines.
- Urinary retention or difficulty urinating.
- Glaucoma (increased intraocular pressure).
- Children under 2 years old.
- Pregnant women, especially during the first trimester, should use the medication with caution.
- Breastfeeding mothers should only take Theralene if prescribed by a doctor.
2. Dosage of Theralene 90ml
The recommended dosage of Theralene cough syrup is as follows:
- Adults: Maximum 10mg (equivalent to 16 ml) per dose, with a maximum of 40 mg/24 hours (equivalent to 64 ml/24 hours).
- Children over 3 years old: 0.125 - 0.25 mg/kg per dose (equivalent to 0.2 - 0.4 ml/kg per dose), with a maximum of 5 mg per dose (equivalent to 8 ml) and 20 mg/24 hours (equivalent to 32 ml/24 hours).
- For treating allergic rhinitis and urticaria:
Adults: 10 mg per dose (equivalent to 16 ml), 2 - 3 times per day; up to 100 mg per day (equivalent to 160 ml) in severe cases. - Elderly patients: The dose should be reduced to 10 mg (16 ml) once or twice per day.
- Children over 3 years old: 2.5 to 5 mg (4 - 8 ml), 3 - 4 times per day.
For transient insomnia: Take one dose before bedtime.
- Adults: 5 to 20 mg (equivalent to 8 to 32 ml).
- Children over 3 years old: 0.25 to 0.5 mg/kg (equivalent to 0.4 to 0.8 ml/kg).
Important Notes:
- The above dosages are for reference only. The exact dose depends on the patient’s condition and response to treatment. Always consult a doctor or pharmacist for personalized dosing instructions.
- If a dose is missed, take it as soon as possible. However, if it is close to the next dose, skip the missed dose and continue with the regular schedule. Do not take a double dose to make up for a missed one.
3. Side Effects of Theralene 90ml
During the use of Theralene, some patients may experience side effects. If any of these occur, stop using the medication and seek medical advice immediately. Possible side effects include: Skin reactions (redness, eczema, purpura, hives). Angioedema (swelling of the face and neck, which may cause difficulty breathing). Anaphylactic shock. Severe reduction in white blood cells (agranulocytosis). Thrombocytopenia (low platelet count), which may cause nosebleeds or gum bleeding. Seizures.
These are not all possible side effects of Theralene. If any unusual symptoms appear while taking the medication, report them to your doctor immediately.
4. Drug Interactions
To ensure safety, Theralene 90ml should not be used with:
- Alcohol: It enhances the sedative effects of antihistamines, leading to reduced alertness and concentration, which can be dangerous when driving or operating machinery.
- Disulfiram-like drugs (e.g., cefamandole, cefoperazone, latamoxef, chloramphenicol, chlorpropamide, glibenclamide, glipizide, tolbutamide, griseofulvin, metronidazole, omidazole, secnidazole, tinidazole, ketoconazole, procarbazine): The alcohol content in Theralene (380 mg in 10 ml of syrup) can cause adverse reactions when combined with these drugs.
- Sultopride: Increased risk of ventricular arrhythmias, especially torsades de pointes, due to the drug’s effects on heart electrophysiology.
In certain cases, Theralene may be prescribed with other medications, but dosages must be carefully adjusted to avoid interactions:
- CNS depressants (sedative antidepressants, barbiturates, benzodiazepines, clonidine and its derivatives, hypnotics, morphine derivatives (painkillers and cough suppressants), methadone, antipsychotics, anxiolytics): Increased CNS depression, leading to drowsiness and impaired alertness, which is dangerous for drivers and machine operators.
- Atropine and atropine-like drugs (tricyclic antidepressants, anticholinergics, antispasmodics, disopyramide, phenothiazine antipsychotics): Increased risk of urinary retention, constipation, and dry mouth.
- Store Theralene at room temperature, away from light and moisture. Do not store in humid places or in the refrigerator. Keep it away from heat and open flames. Each medication has specific storage requirements, so always read the package instructions or ask a pharmacist for guidance. Keep Theralene out of reach of children and pets.
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