The benefits of lidocaine on heart rhythm tend to be limited to treatment of ventricular-based arrhythmias, diagnosed by electrocardiogram EKG. Precautions and Side Effects While generally safe and effective when prescribed by a veterinarian, lidocaine can cause side effects in some animals. Lidocaine should not be used in animals with known hypersensitivity or allergy to the drug.
Lidocaine may interact with other medications. Consult with your veterinarian to determine if other drugs your pet is receiving could interact with lidocaine. Such drugs include propranolol, cimetidine, and procainamide. Caution should be used whenever lidocaine is given to cats since they tend to be especially sensitive to the drug.
Lidocaine should not be used in animals with certain heart blocks or specific abnormal rhythms of the heart. Care must be taken if lidocaine is used in animals with liver impairment, heart failure or breathing problems. Severe adverse effects are uncommon. At high doses, the most common adverse effects of lidocaine are drowsiness, staggering, tremors, vomiting or seizures.
How Lidocaine Is Supplied Lidocaine is available in 1 percent, 2 percent, 4 percent, 10 percent and 20 percent solutions for injection. Cats are at an increased risk for toxicity because of their unique hemoglobin structure, which is easily damaged by the anesthetic. In large amounts, seizures, tremors and cardiac arrhythmia can occur. When a veterinarian contemplates pain medication, the species of animal, age, prior health, other medications the animal is taking and the length of time the medication will be needed all play a role in determining the prescription.
If you feel your cat is in pain, be sure to contact your veterinarian before beginning or changing doses of any medication. New York, NY www. Any pain meds you have could be toxic to your cat.
Find out which pills are harmful and how to prevent poisoning your family feline. Close Main Navigation Menu. Sign Up Log In. Hide Saved searches. Charlotte Means, D. Share this Article Print. Capsaicin binds to the TRPV1 receptor on nonmyelinated primary afferent pain fibers, causing increased firing through the release of substance P.
With repeat application, desensitization occurs due to degeneration of these pain fibers with resultant hypoalgesia. Reinnervation occurs when use is discontinued. No controlled studies have been published in veterinary species; however, one study using intrathecal resinferatoxin, a potent analogue of capsaicin, reported encouraging results for palliative treatment of pain in a canine osteosarcoma model.
The benefits of these TRPV1 ligands include specific loss of pain sensation without concomitant loss of motor and nonpain sensation. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world. The Veterinary Manual was first published in as a service to the community. The legacy of this great resource continues in the online and mobile app versions today.
This site complies with the HONcode standard for trustworthy health information: verify here. Common Veterinary Topics. Videos Figures Images Quizzes. Pain Assessment and Management. Test your knowledge. Large animal neonates are born immunocompetent but lack antibodies. In their first few hours of life, neonates must suckle good quality colostrum from the dam to obtain maternal antibodies immunoglobulins. Which of the following factors might compromise the quality of colostrum? More Content.
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