HISTALIX is a brand name for Diphenhydramine. The medicine, its uses, side effects and dosage are the same regardless of brand.
Used for: For the oral symptomatic relief of troublesome cough associated with upper respiratory tract congestion and aids restful sleep
Verbatim from this product's MHRA label. Tap a section to expand.
Posology One to two 5ml spoonfuls to be taken every 4 hours To aid sleep the patient may start with two 5ml spoonfuls at bedtime followed by two 5ml spoonfuls every 6 hours. Not suitable for children under 12 years. Do not take more than 4 doses (1 dose = two 5ml spoonfuls) in 24 hours.
Do not exceed the stated dose. Method of Administration Oral
The overall percentage of treated patients expected to experience adverse reactions is unknown.
Common side effects include:
CNS effects such as nervous drowsiness (usually diminishes within a few days), paradoxical stimulation, nervous headache, nervous psychomotor impairment. Anti-muscarinic effects such as urinary retention, dry mouth, blurred vision, gastrointestinal disturbances and thickened respiratory tract secretions.
Rare side effects include:
Hypotension, extrapyramidal effects, dizziness, confusion, depression, sleep disturbances, tremor, convulsions, palpitation, arrhythmia, hypersensitivity reactions, blood disorders and liver dysfunction. Organ system Class Common ADRs, >1/100, < 1/10 Uncommon ADRs, >1/1,000, <1/100 Rare ADRs >1/10,000, <1/1000 Blood Lymphatic System Disorder Blood Disorders NOS Cardiac Disorder Palpitation, arrhythmia Eye Disorders Blurred vision Gastrointestina l Disorder Dry mouth, gastrointestinal disturbance General Disorder Paradoxical drug reaction Hepatobiliary Disorder Liver Disorder Immune System Disorders Hypersensitivity Nervous System Disorders Psychomotor skills impairment, drowsiness, headache Tremor, convulsions, extrapyramidal disorder, dizziness Organ system Class Common ADRs, >1/100, < 1/10 Uncommon ADRs, >1/1,000, <1/100 Rare ADRs >1/10,000, <1/1000 Psychiatric Disorders Confusion, depression, sleep disturbances Renal and Urinary Disorder Urinary retention Respiratory Disorder Increased upper airway secretion Vascular Disorders Hypertension Reporting of suspected adverse reactions Reporting suspected adverse reactions after authorisation of the medicinal product is important.
It allows continued monitoring of the benefit/risk balance of the medicinal product. uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store
Do not combine with other treatments for coughs and colds. Histalix syrup should be used with caution in patients with the following conditions: prostatic hypertrophy, urinary retention, susceptibility to ‘closed angle’ glaucoma and hepatic disease.
Histalix Syrup may cause drowsiness. Seek medical advice when suffering from chronic or persistent cough and when also suffering from asthma, and acute asthmatic attack or where cough is accompanied by excessive secretions Keep out of the reach and sight of children.
Ponceau 4R may cause allergic reactions. Glycerol may cause headache, stomach upset and diarrhoea. 5ml Propylene Glycol per 5ml dose. If you are pregnant or suffer from a liver or kidney disease, do not take this medicine unless recommended by your doctor.
Your doctor may carry out extra checks while you are taking this medicine Sucrose:
Patients with rare hereditary problems of fructose intolerance, glucose- galactose malabsorption or sucrase-isomaltase insufficiency should not take this medicine.
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Not medical advice. Always read the patient information leaflet and follow your prescriber or pharmacist.
Other brands of Diphenhydramine in United Kingdom.
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