Online Pet Medications & Pet Supplies

ZYCORTAL 25MG/ML INJ 4ML

   Product Ref: ARZYC01 Category: Z

£ 85.85


Vat Rate: 20%

Prescription Required



Clinical particulars Target species Dogs Indications for use For use as replacement therapy for mineralocorticoid deficiency in dogs with primary hypoadrenocorticism (Addison's disease). Contraindications Do not use in cases of hypersensitivity to the active substance or to any of the excipients. Special warnings for each target species Before starting treatment with the veterinary medicinal product, it is important that Addison's disease has been definitively diagnosed. Any dog presenting with severe hypovolaemia, dehydration, pre-renal azotaemia and inadequate tissue perfusion (also known as 'Addisonian crisis') must be rehydrated with intravenous fluid (saline) therapy before starting treatment with the veterinary medicinal product. Special precautions for use in animals Use with caution in dogs with congestive heart disease, severe renal disease, primary hepatic failure or oedema. Special precautions to be taken by the person administering the veterinary medicinal product to animals Avoid contact with the eyes and skin. In case of accidental spillage onto the skin or eyes, wash the affected area with water. If irritation occurs, seek medical advice immediately and show the package leaflet or the label to the physician. This veterinary medicinal product may cause pain and swelling at the injection site if accidentally self-administered. This veterinary medicinal product may cause adverse effects on male reproductive organs and, as a result, fertility. This veterinary medicinal product may cause adverse developmental effects on unborn children and neonates. Pregnant and breast-feeding women should avoid administration of this veterinary medicinal product. In case of accidental self-injection, seek medical advice immediately and show the package leaflet or the label to the physician. Adverse reactions Polydipsia and polyuria were very common adverse reactions in a clinical trial. Inappropriate urination, lethargy, alopecia, panting, vomiting, decreased appetite, anorexia, decreased activity, depression, diarrhoea, polyphagia, shaking, tiredness and urinary tract infections were common adverse reactions in a clinical trial. Injection site pain has been reported uncommonly in post-authorisation spontaneous reports following the administration of Zycortal. Pancreas disorders have been reported rarely in post-authorisation spontaneous reports following use of Zycortal. The concurrent administration of glucocorticoids may contribute to these signs. The frequency of adverse reactions is defined using the following convention: - very common (more than 1 in 10 animals treated displaying adverse reaction(s)) - common (more than 1 but less than 10 animals in 100 animals treated) - uncommon (more than 1 but less than 10 animals in 1,000 animals treated) - rare (more than 1 but less than 10 animals in 10,000 animals treated) - very rare (less than 1 animal in 10,000 animals treated, including isolated reports). Use during pregnancy, lactation or lay The safety of the veterinary medicinal product has not been established during breeding, pregnancy or lactation. Therefore, use only according to the benefit/risk assessment by the responsible veterinarian. Interactions Use with caution when administering Zycortal concurrently with medicinal products which affect either serum sodium or potassium concentrations, or cellular transportation of sodium or potassium, for example: trimethoprim, amphotericin B, digoxin or insulin.
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Category POM-V
Temperature Ambient
MA/VM/EU No: 10434/5000
Species
  • dogs
VMD Link https://www.vmd.defra.gov.uk/ProductInformationDatabase/product/A009089
NOAH Link
Dosage Amounts to be administered and administration route Subcutaneous use. Prior to use, gently shake the vial to resuspend the veterinary medicinal product. Use an appropriately graduated syringe to accurately administer the required dose volume. This is particularly important when injecting small volumes. Zycortal replaces the mineralocorticoid hormones only. Dogs with combined glucocorticoid and mineralocorticoid deficiency should also receive a glucocorticoid such as prednisolone taking into account the current scientific knowledge. Zycortal is intended for long term administration at intervals and doses dependent upon individual response. Tailor the dose of Zycortal and the concurrently administered glucocorticoid replacement therapy to the individual dog based on clinical response and normalization of Na+ and K+ serum concentrations. Initial dose of Zycortal: The initial dose is 2.2 mg/kg body weight, administered by subcutaneous injection. Interim monitoring visit: Re-evaluate the dog and measure the serum sodium/potassium ratio (Na+/K+ ratio) approximately 10 days after the first dose (which is the time to maximum concentration (Tmax) of desoxycortone). If the dog's clinical signs have worsened or not resolved, adjust the dose of glucocorticoid and/or investigate other causes of the clinical signs. Second dose of Zycortal: At approximately 25 days after the first dose, re-evaluate the dog and measure the Na+/K+ ratio. - If the dog is both clinically normal and has a normal Na+/K+ ratio (i.e. 27-32) on Day 25, adjust the dose based on the Day 10 Na+/K+ ratio using the guidelines in Table 1. - If the dog is clinically normal and has a Na+/K+ ratio >32 on Day 25, either adjust the dose based on the Day 10 Na+/K+ ratio according to Table 1 or delay the dose (see Prolonging the dosing interval). - If the dog is either not clinically normal or if the Na+/K+ ratio is abnormal on Day 25, adjust the dose of glucocorticoid or Zycortal (see Subsequent doses and long term management). Table 1: Day 25: Administering the Second Dose of Zycortal If the Day 10 Na+/K+ ratio is: Do not administer Dose 2 on Day 10 25 days after the first dose, administer Zycortal, as follows: ≥34 Decrease dose to: 2.0 mg/kg body weight 32 to <34 Decrease dose to: 2.1 mg/kg body weight 27 to <32 Continue 2.2 mg/kg body weight ≥24 to <27 Increase dose to: 2.3 mg/kg body weight <24 Increase dose to: 2.4 mg/kg body weight Prolonging the dosing interval: If the dog is clinically normal and the Day 25 Na+/K+ ratio is >32, it is possible to prolong the dosing interval instead of adjusting the dose as described in Table 1. Evaluate the electrolytes every 5-9 days until the Na+/K+ ratio is <32, and then administer 2.2 mg/kg of Zycortal. Subsequent doses and long term management: Once the optimal dose and dosing interval have been determined, maintain the same regimen. If the dog develops abnormal clinical signs or Na+ or K+ ratio serum concentrations, use the following guidelines for subsequent doses: - Clinical signs of polyuria/polydipsia: Decrease the glucocorticoid dose first. If the polyuria/polydipsia persists and the Na+/K+ ratio is >32, then decrease the dose of Zycortal without changing the dosing interval. - Clinical signs of depression, lethargy, vomiting, diarrhoea or weakness: Increase the glucocortinoid dose. - Hyperkalaemia, hyponatremia or Na+/K+ ratio <27: Decrease the Zycortal dosing interval by 2-3 days or increase the dose. - Hypokalaemia, hypernatremia or Na+/K+ ratio >32: Decrease the Zycortal dose. Prior to a stressful situation, consider temporarily increasing the dose of glucocorticoid. In the clinical trial, the mean final dose of desoxycortone pivalate was 1.9 mg/kg (range 1.2-2.5 mg/kg) and the mean final dosing interval was 38.7 ± 12.7 days (range 20-99 days) with the majority of dogs having a dosing interval between 20 and 46 days. Overdose When given to dogs at three to five times the recommended dose, injection site reactions characterised by erythema and oedema occurred. As expected from the pharmacodynamic effects, escalating doses of desoxycortone are associated with a dose-related trend for increased serum sodium, and decreased blood urea nitrogen, serum potassium and urine specific gravity. Polyuria and polydipsia may be observed. Hypertension has been observed in dogs receiving 20 mg/kg of desoxycortone pivalate. There is no specific antidote. In case of signs of overdose, the dog should be treated symptomatically, and subsequent doses reduced.
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