Cyclizine HCl
Cyclizine Hydrochloride (Cyclizine HCl) is an antihistamine compound commonly used as an active pharmaceutical ingredient (API) in antiemetic formulations. It is widely recognised for its ability to prevent and relieve nausea, vomiting, and dizziness associated with motion sickness, vertigo, and postoperative recovery.
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What is Cyclizine HCl
Cyclizine Hydrochloride is a piperazine derivative belonging to the H1 antihistamine class. It works by blocking histamine receptors in the brain’s vomiting centre, helping to control symptoms such as nausea and balance disturbances. The compound is typically available as a white or almost white crystalline powder, freely soluble in water and alcohol, making it suitable for a range of pharmaceutical formulations including tablets, injections, and oral solutions.
Its well-established efficacy and safety profile have made Cyclizine HCl a preferred choice in both hospital and over-the-counter medicinal applications. It is particularly valued in the management of motion sickness, Ménière’s disease, and postoperative nausea. In addition, its antiemetic properties are frequently utilised in travel medications and emergency care settings. The ingredient complies with pharmacopeial standards (e.g. BP/EP/USP), ensuring consistency and quality across formulations.
- BP Standard
- USP Standard
- API
- Antihistamine
- Pharmaceutical
- Antiemetic
- Motion Sickness
- Vertigo Relief
- Oral Formulations
- Injectable Solutions
Applications & Functionalities
Cyclizine HCl is primarily used in pharmaceutical applications as an active ingredient in anti-nausea and anti-vertigo products. Its key functionality lies in its ability to suppress the vestibular system and inhibit signals that trigger nausea and vomiting. This makes it especially effective in treating motion sickness, inner ear disorders, and symptoms linked to anaesthesia or surgery. The compound is suitable for multiple dosage forms, including oral solid doses, liquid suspensions, and parenteral preparations, offering flexibility for formulators. It also demonstrates good stability and compatibility with other pharmaceutical excipients, enabling its incorporation into combination therapies where required. Its rapid onset of action further enhances its suitability in acute care and travel-related treatments.
Cyclizine HCl is primarily used in pharmaceutical applications as an active ingredient in anti-nausea and anti-vertigo products. Its key functionality lies in its ability to suppress the vestibular system and inhibit signals that trigger nausea and vomiting. This makes it especially effective in treating motion sickness, inner ear disorders, and symptoms linked to anaesthesia or surgery. The compound is suitable for multiple dosage forms, including oral solid doses, liquid suspensions, and parenteral preparations, offering flexibility for formulators. It also demonstrates good stability and compatibility with other pharmaceutical excipients, enabling its incorporation into combination therapies where required. Its rapid onset of action further enhances its suitability in acute care and travel-related treatments.
Common applications include:
- Motion sickness treatment
- Anti-emetic formulations
- Postoperative nausea relief
- Vertigo management
- Travel sickness products
- Hospital emergency care.
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