Thyroid Chewables

Levocrine Thyroid Chewables
0.1mg, Single - chewable
0.1mg, 180ct - chewables
0.2mg, Single - chewable
0.2mg, 180ct - chewables
0.3mg, Single - chewable
0.3mg, 180ct - chewables
0.4mg, Single - chewable
0.4mg, 180ct - chewables
0.5mg, Single - chewable
0.5mg, 180ct - chewables
0.6mg, Single - chewable
0.6mg, 180ct - chewables
0.7mg, Single - chewable
0.7mg, 180ct - chewables 
0.8mg, Single - chewable
0.8mg, 180ct - chewables 
1.0mg, 180ct - chewables
SKU : 41831C_-RX

Levocrine™ Chewable Tablets

  • NEW! by Dechra
  • levothyroxine sodium
  • 180 count bottle
  • Use for dogs only
  • Unavailable at this time; see thyroid tablets
RX required for this item.
Click here for our full Prescription Policy and Form

by Dechra

(Levothyroxine Sodium, USP)
Thyroid Replacement Therapy. Synthetic thyroid medication for dogs in a convenient chewable tablet.
  • for all conditions where inadequate production of thyroid hormones occurs (hypothyroidism)
Small, chewable, scored tablets
  • Content uniformity confirmed throughout tablet to allow for accurate dosing.
  • Hydrolyzed soy based flavoring for dogs with food sensitivities or intolerances.
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LEVOCRINE™ CHEWABLE TABLETS

Dechra

(levothyroxine sodium)

DESCRIPTION: Each LEVOCRINE™ Chewable Tablet (levothyroxine sodium) provides synthetic crystalline levothyroxine sodium (L-Thyroxine). The structural formula for levothyroxine sodium is:

LEVOTHYROXINE SODIUM ACTION: Levothyroxine sodium acts, as does endogenous thyroxine, to stimulate metabolism, growth, development and differentiation of tissues. It increases the rate of energy exchange and increases the maturation rate of the epiphyses. Levothyroxine sodium is absorbed rapidly from the gastrointestinal tract after oral administration. Following absorption, the compound becomes bound to the serum alpha globulin fraction. For purposes of comparison, 0.1 mg of levothyroxine sodium elicits a clinical response approximately equal to that produced by one grain (65 mg) of desiccated thyroid.

INDICATIONS: Provides thyroid replacement therapy in all conditions of inadequate production of thyroid hormones. Hypothyroidism is the generalized metabolic disease resulting from deficiency of the thyroid hormones levothyroxine (T4) and liothyronine (T3). LEVOCRINE Chewable Tablets (levothyroxine sodium) will provide levothyroxine (T4) as a substrate for the physiologic deiodination to liothyronine (T3). Administration of levothyroxine sodium alone will result in complete physiologic thyroid replacement.

Canine hypothyroidism is usually primary, i.e., due to atrophy of the thyroid gland. In the majority of cases the atrophy is associated with lymphocytic thyroiditis and in the remainder it is non-inflammatory and as of yet unknown etiology. Less than 10 percent of cases of hypothyroidism are secondary, i.e., due to deficiency of thyroid stimulating hormone (TSH). TSH deficiency may occur as a component of congenital hypopituitarism or as an acquired disorder in adult dogs, in which case it is invariably due to the growth of a pituitary tumor.

HYPOTHYROIDISM IN THE DOG: Hypothyroidism usually occurs in middle-aged and older dogs although the condition will sometimes be seen in younger dogs of the larger breeds. Neutered animals of either sex are also frequently affected regardless of age. The following are clinical signs of hypothyroidism in dogs:

Lethargy, lack of endurance, increased sleeping

Reduced interest, alertness and excitability

Slow heart rate, weak apex beat and pulse, low voltage on ECG

Preference for warmth, low body temperature, cool skin

Increased body weight

Stiff and slow movements, dragging of front feet

Head tilt, disturbed balance, unilateral facial paralysis

Atrophy of epidermis, thickening of dermis

Surface and follicular hyperkeratosis, pigmentation

Puffy face, blepharoptosis, tragic expression

Atrophy of epidermis, thickening of dermis

Dry, coarse, sparse coat, slow regrowth after clipping

Retarded turnover of hair (carpet coat of boxers)

Shortening or absence of estrus, lack of libido

Dry feces, occasional diarrhea

Hypercholesterolemia

Normochromic, normocytic anemia

Elevated serum creatinine phosphokinase

CONTRAINDICATIONS: Levothyroxine sodium therapy is contraindicated in thyrotoxicosis, acute myocardial infarction and uncorrected adrenal insufficiency. Use in pregnant bitches has not been evaluated.

PRECAUTIONS: The effects of levothyroxine sodium therapy are slow in being manifested. Overdosage of any thyroid drug may produce the signs and symptoms of thyrotoxicosis including, but not limited to: polydipsia, polyuria, polyphagia, reduced heat tolerance and hyperactivity or personality change. Administer with caution to animals with clinically significant heart disease, hypertension or other complications for which a sharply increased metabolic rate might prove hazardous.

ADVERSE REACTIONS: There are no particular adverse reactions associated with levothyroxine sodium therapy at the recommended dosage levels. Overdosage will result in the signs of thyrotoxicosis listed above under precautions.

DOSAGE: The initial recommended dose is 0.1 mg/10 lb. (4.5 kg) body weight twice daily. Dosage is then adjusted by monitoring the thyroid blood levels of the dog every four weeks until an adequate maintenance dose is established. The usual maintenance dose is 0.1 mg/10 lb. (4.5 kg) once daily.

ADMINISTRATION: LEVOCRINE™ Chewable Tablets (levothyroxine sodium) may be administered orally or placed in the food.

DOSAGE FORMS AVAILABLE: 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg and 1.0 mg tablets in bottles of 180 and 1,000.

STORAGE: Store at controlled room temperature 20°C to 25°C (68°F to 77°F).

REFERENCES:

1. Evinger, J.V. and Nelson, R.W.; JAVMA 314. 1984, pg 185, 314-316.

2. Richard Nelson, DVM; Current Veterinary Therapy X. Edited by R.W. Kirk, W.B. Saunders, Co., Philadelphia, PA 1989, pg 994.

3. Edward Feldman, DVM and Richard Nelson, DVM; Canine and Feline Endocrinology and Reproduction. W.B. Saunders 1987, pg 82.

Manufactured by: Dechra Veterinary Products, 7015 College Blvd., Overland Park, KS 66211

www.dechra-us.com, (866) 933-2472

Iss. 07-14

NAC No.: 1459065.0
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