Wry neck—a twisted or tilted head and neck—is often treatable when caught early. The most common causes are vitamin E or thiamine deficiency, but head injury, viral disease (Marek’s, Avian Encephalomyelitis), and toxoplasmosis can also trigger it. Early supplementation of vitamin E-Se may reverse early signs; don’t wait to contact a vet.
What it looks like
Neck twisted or bent to one side; head held at abnormal angle
Neck curves or twists toward one shoulder; head may be held to the side
Head may rotate backward (stargazing) with eyes looking upward
Head tilts back with bird looking up or to the side; appears to be looking at the sky
Loss of balance or discoordination; bird may roll or tumble
Bird loses equilibrium, staggers, or rolls uncontrollably; unable to maintain normal posture
Difficulty eating and drinking; may starve or dehydrate as a result
Bird struggles to reach food and water due to abnormal neck/head position
Lethargy, weakness, and general malaise
Bird is inactive and depressed; moves with difficulty
Progressive worsening if underlying cause is not addressed
Symptoms persist or deteriorate if the ROOT CAUSE (vitamin E deficiency, Marek’s, etc.) is not treated
Likely causes
Wry neck can result from several different issues. Some are nutritional and treatable; others are viral and may cause permanent damage.
- Vitamin E deficiency (most common treatable cause) — see Vitamin E Deficiency
- Thiamine (Vitamin B1) deficiency — see Thiamine Deficiency
- Head injury or trauma (impact, falling, rough handling, or pecking injuries)
- Marek’s disease (neurological form) causing nerve damage — see Marek’s Disease
- Avian Encephalomyelitis (AE) virus — see Avian Encephalomyelitis
- Stroke or hemorrhage in the brain
- Toxoplasmosis — see Toxoplasmosis
What to do
First step: Identify the underlying cause. Wry neck is a sign of something else—not the disease itself. Different causes need different treatments.
If vitamin E or thiamine deficiency is likely (sudden onset in young chicks):
Start high-dose vitamin E + selenium supplementation immediately (1000-2000 IU/bird, injectable form works fastest). Add thiamine (B1) supplement to drinking water. Improvement may be seen within 48 hours if treated early. This is your best chance for recovery.
If head injury is suspected:
Isolate the bird in a quiet, safe space to prevent further trauma. Offer easy-to-reach food and water (lowered, soft feed). Monitor for signs of improvement over 1-2 weeks. Most head injuries resolve on their own if the bird survives the initial shock.
If viral disease is suspected (Marek’s, Avian Encephalomyelitis):
There is no cure. Focus on supportive care: soft, easy-to-eat food, accessible water, clean bedding, and stress reduction. Euthanasia may be the most humane option if the bird cannot eat or drink safely.
Supportive care for all cases:
Place food and water at head height (use elevated feeders and drinkers). Ensure the bird has a safe, enclosed space away from flock aggression. Monitor weight closely—birds with wry neck often struggle to eat. Consider hand-feeding if necessary.
When to see a vet
See a vet immediately if: The bird cannot eat or drink; signs worsen rapidly; the bird shows paralysis or extreme pain. Contact a vet within 48 hours if: Wry neck appears suddenly and the bird is young (suggests nutritional deficiency—treatable). Manage at home if: Mild head tilt, bird eating and drinking, gradual improvement over days (likely head trauma or early vitamin deficiency responding to supplementation).
Prevention
Feed a complete, balanced layer or all-flock feed that meets AAFCO standards (includes vitamin E and all B vitamins). Provide vitamin E + selenium supplementation, especially for chicks and during stress (moving, breeding season, illness). Protect birds from head injury by securing loose roost bars, removing sharp objects, and minimizing aggressive pecking through proper flock dynamics. Vaccinate against Marek’s disease (available as day-old chick vaccine). Keep housing predator-proof to prevent panic injuries and head trauma.
Frequently asked questions
Is wry neck permanent?
Not necessarily. If caused by vitamin E or thiamine deficiency, early supplementation may reverse it completely. If caused by head injury or viral disease (Marek’s, AE), the damage may be permanent. Early identification and treatment are critical.
How do I know what is causing wry neck?
Sudden onset + young chicks = likely vitamin E/B1 deficiency. Gradual onset + older bird = likely viral disease (Marek’s/AE) or head trauma. Blood tests and history help identify the cause. Ask a vet for testing.
What is the difference between wry neck and Tremors?
Wry neck = twisted/tilted head/neck posture; distinct abnormal position. Tremors = muscle shaking/twitching without necessarily abnormal posture. Different signs; may have different underlying causes.
Not sure what’s wrong with your bird? Use the Chicken Symptom Checker or read Signs Your Chicken is Sick for help identifying other conditions.