Chlorpheniramine Maleate is a first-generation antihistamine belonging to the alkylamine class, acting as a histamine H1 receptor antagonist. It is used in veterinary medicine to alleviate allergic symptoms by blocking the effects of histamine. The injectable formulation contains 10 mg/mL of Chlorpheniramine Maleate, providing rapid relief from histamine-mediated allergic reactions in various animal species.

•   Active Ingredient: Chlorpheniramine Maleate I.P. 10 mg/mL

•   Appearance: Clear, colourless to pale yellow sterile injectable solution

•   pH: Typically, between 4.5 – 6.5

•  Sterility: Sterile and pyrogen-free

•  Packaging: Supplied in sterile glass vials or ampoules 30 mL, 100 mL

•  Chlorpheniramine Maleate I.P.: 10 mg/mL

•  Excipients: Sterile water for injection, stabilizers, preservatives (may vary by manufacturer)

•  Antihistamine (H1 receptor antagonist)

•  Veterinary pharmaceutical agent

•  Treatment of allergic reactions and hypersensitivity in animals

•  Relief of pruritus, urticaria, and allergic dermatitis

•  Adjunct treatment in anaphylaxis management

•  Control of allergic respiratory conditions

•  Used for symptomatic relief of insect bites and allergic skin reactions

•  Dose: Typically, 0.5 to 1 mg/kg body weight

•  Route: Intramuscular (IM) or intravenous (IV) injection

•  Frequency: Single or multiple doses based on veterinary prescription

•  Administer IV slowly to avoid adverse reactions

•  Sterile injectable solution

•  Concentration: 10 mg/mL

•  Pack sizes: 30 mL, 100 mL Vials

•   Use aseptic technique during administration

•   Shake gently before use

•   Use appropriate needle and syringe for dosing accuracy

•  Dispose of needles and syringes safely

•  Effective antihistamine with rapid onset

•  Provides relief from various allergic symptoms

•  Useful adjunct in emergency allergic reactions

•  Suitable for use in multiple animal species

•  Well-established safety profile when used as directed

•  Mild sedation or drowsiness

•  Dry mouth and mucous membranes

•  Rare hypersensitivity reactions/ Avoid overdose to prevent CNS stimulation or seizures

•  Hypotension if injected too rapidly intravenously

•  Meat: Minimum 7 days (species-dependent and per local regulations)

•  Milk: Typically, 72 hours; follow local guidelines strictly

•  Withdrawal periods ensure safety of animal-derived food products

•  Store at 15°C to 30°C

•  Protect from light and freezing

•  Keep out of reach of children and animals

•  Do not use beyond expiry date

•  Wear gloves during handling

•  Avoid skin and eye contact

•  In case of accidental exposure, wash area thoroughly

•  Dispose of unused product and packaging as per hazardous waste protocols

•  HS Code: 3004.90 (Pharmaceutical preparations)

•  HSN Code (India): 3004.90.90

•  For veterinary use only

•  Administer only under veterinary supervision

•  Caution in animals with cardiovascular or CNS disorders

•  Monitor animals during treatment for adverse effects

•   Veterinary Use: Used for managing allergic reactions and hypersensitivity in animals

•   Human Use: Separate human formulations exist; veterinary products must not be used in humans

Q1: What is Chlorpheniramine Maleate?

A: A first-generation antihistamine used to block histamine H1 receptors and relieve allergy symptoms.

Q2: How is it administered?

A: By intramuscular or intravenous injection.

Q3: What is the usual dose?

A: 0.5 to 1 mg/kg body weight, as directed by a veterinarian.

Q4: Are there side effects?

A: Mild sedation, dry mucous membranes, and rare allergic reactions.

Q5: How should it be stored?

A: Store at 15°C to 30°C, protect from light and freezing.

Q6: What is the withdrawal period?

A: Meat: Minimum 7 days; Milk: Typically, 72 hours; follow local regulations.

Q7: Can veterinary Chlorpheniramine be used in humans?

 A: No, veterinary products must not be used for human treatment.