Finished product reference
Diphenhydramine / Ammonium Chloride
Syrup · Oral · 12.5 mg/125 mg/5mL · 120 mL
- List code
- 51884
- Pharmacologic class
- Cough preparation (sedating antihistamine + expectorant)
What it is and how it works
Diphenhydramine is a sedating H1-antihistamine with antimuscarinic and central antitussive effects; ammonium chloride is a traditional expectorant thought to act by reflex stimulation of bronchial secretion via gastric irritation.
Indications
Symptomatic relief of cough associated with the common cold and allergic conditions of the upper respiratory tract.
Dosage and administration (summary)
Oral syrup; for adults usually 1–2 teaspoonfuls (5–10 mL) three to four times daily depending on the product's strength.
Contraindications
Hypersensitivity; severe hepatic or renal impairment (ammonium chloride); use with MAO inhibitors; children under 6 years.
Warnings and precautions
Causes drowsiness and impairs driving; avoid alcohol and other CNS depressants. Use with caution in glaucoma, prostatic hypertrophy, urinary retention, asthma and in the elderly. Ammonium chloride may cause metabolic acidosis in hepatic or renal disease.
Pregnancy
Avoid in pregnancy unless advised by a physician.
Storage and supply
Store below 25 °C, protected from light.
Source: reference summary prepared from the EU SmPC/EPAR, BNF and WHO Model Formulary. The approved product information in Iran governs.
Other presentations of the same active ingredient
Reference information for professional sourcing and registration enquiries, not medical advice or a promotion. Drug information is condensed from US FDA prescribing information (public domain, via openFDA and DailyMed) and does not replace the product’s approved labelling in Iran. Availability, origin and documentation are confirmed per enquiry.
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