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Quick Links: > Home > For Dogs > Prescription Medications > Thyroid > Levothyroxine Sodium
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Enlarge Levothyroxine Sodium
Enlarge Levothyroxine Sodium
Enlarge Levothyroxine Sodium
Enlarge Levothyroxine Sodium
Enlarge Levothyroxine Sodium
Enlarge Levothyroxine Sodium
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Levothyroxine Sodium
How To Order Prescriptions
General Information:
Generic Name:
Brand Names:
Thyroxine-L by Butler-Schein
Thyrosyn by Vedco
Soloxine by Virbac
Thyro-Tabs by Lloyd/Vet-a-Mix
ThyroKare by NeogenVet
Levothyroxine Sodium is used to provide thyroid replacement therapy in animals suffering from hypothyroidism.

Show Additional Details
Levothyroxine Sodium Is Used To Treat These Symptoms:
• Hypothyroidism
• Weight Gain
• Lethargy
• Poor Hair Coat
Possible Side Effects With Levothyroxine Sodium:
• Vomiting
• Diarrhea
• Decreased Appetite
• Drowsiness
• Nausea
• Dry Mouth
• Hyperactivity
• Itching
• Cough
If any of these side effects occur, you may keep giving THYROXINE, but contact your veterinarian.

Allergic reactions and more serious side effects
Allergic reactions and more serious side effects are rare, but in the case of an allergic reaction or a more serious side effect you should stop THYROXINE treatment and seek veterinary attention.  Some common allergic reactions and more serious side effects are...
    - facial swelling
    - breathing difficulties
    - fainting
    - closing of the throat
    - hives
- Use as directed by your veterinarian
- Follow the instructions on the prescription label
- Store THYROXINE at room temperature
- Be sure to complete the prescription to ensure a full recovery, even if your pet seems to be improving or unless you consult with your veterinarian
- Duration of administration depends on the condition being treated and the response to the medication and development of any adverse effects
- Recommended to give tablet 30 minutes before food
- Tablet may be placed in food
- Allow your pet access to plenty of water

Dosage for DOGS
- 0.1 mg / 10 pounds of body weight
- Given by mouth twice a day

Dosage for CATS
- 0.05 to 0.1 mg / cat
- Given by mouth once daily

Dosage FAQ's
- In the case of a missed dose of THYROXINE, give it as soon as you remember or just wait until it is time to give the next one.  DO NOT GIVE A DOUBLE DOSE OF THYROXINE.
- In the case of an overdose of THYROXINE, seek attention from your veterinarian.
- The following symptoms could be signs of an overdose...
     - panting
     - increased thirst
     - frequent urination
     - fainting
     - dizziness
Active Ingredient
Levothyroxine Sodium
0.1 mg
Levothyroxine Sodium
0.2 mg
Levothyroxine Sodium
0.3 mg
Levothyroxine Sodium
0.4 mg
Levothyroxine Sodium
0.5 mg
Levothyroxine Sodium
0.6 mg
Levothyroxine Sodium
0.7 mg
Levothyroxine Sodium
0.8 mg
Levothyroxine Sodium
1.0 mg
The product information provided is for educational purposes only. Our product information is not intended to replace the advice of your veterinarian. Do not use our product information for diagnostic purposes. Always take your pet to your veterinarian to obtain a diagnosis and course of treatment. Our product information may not cover all aspects of the drug or product you're viewing. Only your veterinarian is qualified to assess all possible side effects, interactions, precautions, warnings and possible allergic reactions relating to the use of this product or drug with your pet. Our product information is not meant to be a substitute for a veterinary exam. All trademarks are the property of their respective companies.
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