Species Treated
Iguanids
Green Iguanas, Rhinoceros Iguanas, and Desert Iguanas.
Related Species
While focusing on Iguanas, we also treat specialized large lizards with similar husbandry needs.
Common Conditions Treated
- Metabolic Bone Disease (MBD) and Calcium Crashing
- Renal (Kidney) Disease from chronic dehydration or improper diet
- Follicular Stasis and Egg Binding in females
- Tail Trauma and Tail Rot
- Infectious Stomatitis (Mouth Rot)
- Aggression and Behavioral Changes during breeding season
- Thermal Burns from unregulated basking lights
Exams
Specialized Iguana Wellness Exams and Restraint
An adult green iguana is not a small animal. A fully grown specimen routinely reaches five to six feet in total length and can weigh upwards of fifteen pounds, with a powerful tail capable of delivering a strike forceful enough to cause significant injury, strong claws designed for gripping and climbing, and a jaw with enough bite force to cause serious lacerations. Performing a thorough wellness examination on an animal with these physical capabilities requires handling experience that is categorically different from what general veterinary training addresses, and attempting to restrain a large, defensive iguana without the correct technique creates risk of injury to the animal, through fractures, tail loss, and severe stress, as well as to the clinical team. At Country Club Animal Clinic, our approach to iguana restraint is built on the low-stress, technique-driven handling protocols that Dr. Harvey developed through direct experience managing large reptile species at the El Paso Zoo. This includes towel-wrapping methods that secure the limbs and tail while keeping the animal oriented in a way that minimizes panic response, two-person support protocols for animals above a certain body weight, and a calm, deliberate examination pace that reduces the duration of handling stress. The wellness exam itself covers oral cavity assessment for early signs of infectious stomatitis, limb and spinal muscle tone evaluation for MBD indicators, abdominal palpation for organ and reproductive assessment, skin and scale condition review, and a full behavioral history discussion with the owner that helps identify changes in activity, appetite, and demeanor that may signal early-stage illness before it becomes a clinical emergency.
Diagnostics
Advanced Diagnostics: Monitoring Renal and Bone Health
Metabolic bone disease and renal disease are the two conditions that most frequently bring iguana patients to Country Club Animal Clinic in serious condition, and they share a critical characteristic: both can progress through multiple stages of clinical severity before producing symptoms that an owner identifies as cause for concern. An iguana with declining kidney function will continue to eat, move, and behave in a broadly normal manner while uric acid accumulates in the bloodstream and renal tissue undergoes progressive structural damage. By the time the animal shows visible signs of renal compromise such as limb swelling from gout deposits, marked lethargy, or loss of muscle mass, the disease has typically advanced past the stage where intervention can fully reverse the damage. Early detection through routine bloodwork is the only reliable way to identify renal disease in its most treatable phase, and at Country Club Animal Clinic we perform blood collection via the ventral tail vein, a site that provides reliable access in iguana patients and allows us to obtain the sample volume needed for a comprehensive panel without placing undue stress on the animal. The blood panel evaluates uric acid levels, potassium and phosphorus concentrations, white blood cell counts, and additional markers that together provide a detailed picture of current renal function and immune status. For bone health assessment and reproductive evaluation, abdominal ultrasound allows us to visualize the internal organs, identify follicular development in females that may be progressing toward egg binding, and assess organ size and structure for abnormalities that palpation through an iguana’s muscular abdominal wall cannot reliably detect. These diagnostic tools are available in-house at our El Paso clinic, which means results are ready during your visit.
Nutrition
The Strict Herbivore Diet: Preventing Kidney Failure
One of the most damaging misconceptions in iguana husbandry, and one that contributes directly to the renal disease cases we see regularly at Country Club Animal Clinic, is the belief that iguanas benefit from or can tolerate animal protein in their diet. This misconception is reinforced by older care guides, well-intentioned but inaccurate pet store advice, and the occasional online recommendation to supplement an iguana’s diet with dog food, cat food, or cooked egg for additional protein. Green iguanas are obligate herbivores in the strictest biological sense. Their entire digestive physiology, from the fermentation chambers in their hindgut to the enzymatic profile of their digestive secretions, evolved exclusively to process plant material. Their kidneys are not equipped to metabolize and excrete the nitrogenous waste products that animal protein digestion produces, and repeated exposure to dietary animal protein causes uric acid accumulation and progressive renal damage that is irreversible once established. The correct dietary foundation for a green iguana is dark leafy greens with a favorable calcium-to-phosphorus ratio, including collard greens, mustard greens, dandelion greens, and turnip greens as staples, supplemented with additional vegetables and limited fruit as a small dietary fraction. Foods with high oxalate content, including spinach, beet greens, and Swiss chard, bind calcium in the digestive tract and should be avoided or offered only minimally. Goitrogen-containing vegetables like kale and broccoli should similarly be rotated rather than offered as daily staples. Calcium supplementation through dusting is necessary for iguanas with limited outdoor UVB access, which describes virtually every iguana kept in an El Paso household. Our nutritional counseling at Country Club Animal Clinic covers the full dietary profile appropriate for your iguana’s age, size, reproductive status, and current health condition, giving you a practical and species-accurate feeding plan built around what their biology actually requires.
Habitat
Tropical Humidity in a Desert Climate
Green iguanas are native to the tropical rainforests and riverine environments of Central and South America, ecosystems characterized by consistently high humidity, abundant standing water, dense canopy cover that moderates temperature extremes, and daily rainfall that keeps the ambient environment saturated with moisture. El Paso’s climate is the near-perfect opposite of every one of those conditions. The city’s Chihuahuan Desert air is chronically dry, summer temperatures are extreme, and indoor air conditioning reduces ambient humidity further, creating interior environments where moisture levels regularly fall below 15 percent for extended periods. For a rainforest-adapted reptile with kidneys calibrated to a high-moisture environment and skin that loses water to dry air through passive evaporation, chronic exposure to El Paso’s ambient conditions without active habitat humidification creates a state of persistent dehydration that strains renal function continuously over time. Unlike mammals, iguanas do not experience thirst as a strong behavioral drive and will not reliably compensate for environmental moisture loss by drinking more water from a bowl. The result is that many El Paso iguana owners are housing animals in a state of subclinical dehydration that never produces obvious symptoms until it has already contributed to measurable renal damage. Adequate humidity for a green iguana requires maintaining enclosure levels consistently between 70 and 80 percent, which in a dry desert home requires active investment in large-capacity humidifiers, regular misting of the enclosure interior and the animal itself, and substrate choices that retain moisture rather than desiccating rapidly. At Country Club Animal Clinic, our habitat consultations for iguana owners in El Paso cover humidity equipment selection and placement, misting frequency appropriate to your specific enclosure size and ventilation, thermal gradient setup, UVB lighting requirements, and the seasonal adjustments that El Paso’s climate demands throughout the year to keep a tropical species genuinely healthy in a desert environment.
