GSK Eltroxin 100mcg Tablet
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Eltroxin contains thyroxine sodium (levothyroxine), a synthetic thyroid hormone used to treat hypothyroidism in dogs and cats. This medication helps restore normal thyroid hormone levels when the thyroid gland doesn't produce enough hormones naturally. Eltroxin for dogs is commonly prescribed to manage symptoms like weight gain, lethargy, and skin problems associated with low thyroid function.
Dosage Guidelines
PRESCRIPTION REQUIRED - Always follow your veterinarian's specific instructions.
Dogs:
- Starting dose: 0.02 mg (20 mcg) per kg body weight, once or twice daily
- Administered orally, preferably on an empty stomach
- Dosage adjusted based on thyroid level monitoring
Cats:
- Dosage determined individually by veterinarian
- Typically lower doses than dogs
- Requires regular blood work monitoring
Key Contraindications
- Hyperthyroidism or thyrotoxicosis
- Acute myocardial infarction
- Uncorrected adrenal insufficiency
- Known hypersensitivity to thyroxine sodium
- Should be used with caution in patients with cardiovascular disease or diabetes mellitus
Common Side Effects
- Increased thirst and urination
- Restlessness or hyperactivity
- Increased heart rate
- Weight loss despite normal appetite
- Panting or heat intolerance
- Vomiting or diarrhea (if overdosed)
Contact your veterinarian immediately if severe reactions occur.
Drug Interactions
Eltroxin may interact with several medications including:
- Insulin or oral diabetic medications (may require dose adjustments)
- Cardiac medications (digoxin, beta-blockers)
- Anticoagulants (warfarin)
- Antacids, calcium supplements, or iron supplements (should be given 4 hours apart)
- Phenobarbital and other anti-seizure medications
Inform your veterinarian of all medications and supplements your pet is taking.
Storage Requirements
- Store at room temperature below 25°C (77°F)
- Keep in original bottle protected from light and moisture
- Keep out of reach of children and pets
- Do not use after expiration date
Important Safety Information
This is a prescription medication. Use only as directed by a licensed veterinarian.
This medication requires ongoing monitoring through blood tests to ensure proper dosing. Thyroid levels should be checked 4-6 weeks after starting treatment and regularly thereafter. Never adjust the dose without veterinary guidance, as both under-dosing and over-dosing can cause health complications.
Note: This information is for educational purposes only and does not replace professional veterinary advice. Always consult your veterinarian before starting, stopping, or changing any medication. Your veterinarian will determine the appropriate dosage and monitoring schedule based on your pet's individual needs and health status.
