Dock and Sorrel Allergy Shots: Interpreting Your Rumex Sensitization
Dock-sorrel is the genus-level Rumex screening reagent used when clinicians need to capture the Polygonaceae family without a species-specific extract — not a single species but a diagnostic tool. With zero WHO/IUIS-listed allergens, 9% SPT positivity in mixed European cohorts (D'Amato et al. 2007), and no published SCIT RCT, positive results require a follow-up conversation about which Rumex species the patient actually encounters.
Dock/Sorrel Allergy Immunotherapy: How It Works
Allergy immunotherapy is the only long-term treatment that re-trains the immune system to stop overreacting to dock/sorrel — rather than just masking symptoms with antihistamines or steroids. By gradually exposing the body to controlled doses of dock/sorrel allergen, immunotherapy shifts the underlying allergic response and produces relief that often outlasts treatment by 7–10 years.
There are two evidence-based forms of dock/sorrel immunotherapy used today, both built on the same desensitization principle but delivered very differently.
of sustained relief after a complete immunotherapy course — the only allergy treatment with proven long-term effect after stopping.
Allergy Shots (SCIT)
Weekly injections of dock/sorrel extract in a clinic, escalating over 3–6 months until a maintenance dose is reached. Continued monthly for 3–5 years. Longest clinical track record for dock/sorrel allergy.
- Strongest evidence base for severe and polysensitized patients
- Covered by most insurance plans
- Requires 50–100+ in-person clinic visits across the full course
Allergy Drops / Tablets (SLIT)
Daily drops or dissolvable tablets containing dock/sorrel extract, held under the tongue at home. Same desensitization principle, delivered without injections. WHO-recognized as an effective form of allergy immunotherapy since 2001.
- Taken at home — no weekly clinic trips, no needles
- Lower systemic reaction rate than allergy shots
- Curex offers prescription dock/sorrel immunotherapy drops with allergist oversight
The rest of this page goes deep on allergen-specific immunotherapy with shots — protocol, efficacy data, side effects, and cost. If you’d rather skip the clinic and treat dock/sorrel allergy with at-home drops, see how Curex sublingual immunotherapy compares below.
What is Dock/Sorrel?
The biology, taxonomy, and clinical fingerprint of Dock/Sorrel — the foundation of how SCIT targets it.
Rumex crispus (curly dock) in a disturbed roadside habitat. The genus-level dock-sorrel extract captures pollen from multiple Rumex species — exposure varies by species and patient habitat.
- Scientific name
- Rumex spp. (genus-level extract)
- Family
- PolygonaceaeBuckwheat family
- Type
- Perennial weed pollen (genus-level reagent)
- Native to
- Eurasia; most North American species naturalized
- Allergen proteins
- No formally named WHO/IUIS allergen for any Rumex species (as of 2025)
- Particle size
- 20–30 μm
- Avoidance difficulty
- Moderate
How Dock/Sorrel Allergy Presents
Symptoms by body system — useful for distinguishing Dock/Sorrel sensitivity from overlapping allergies and infections.
Respiratory
- Seasonal rhinitis during the April–June window of Rumex pollination
- Sneezing and nasal congestion overlapping with peak grass-pollen season
- Attribution is difficult — Rumex and Pooideae grass pollens peak simultaneously
- Mild asthma flares in some sensitized individuals
Ocular
- Mild allergic conjunctivitis during spring pollen season
- Eye itching and tearing concurrent with nasal symptoms
- Symptoms usually indistinguishable from grass pollinosis without component testing
Dermal
- Contact dermatitis from handling Rumex leaves — caused by oxalic acid irritation, NOT IgE-mediated (Modi et al. 2009)
- Rare urticaria in highly sensitized individuals during peak pollen counts
- The leaf-handling reaction is an irritant — distinct from pollen IgE allergy
Systemic
- Fatigue from spring rhinitis, typically modest in severity
- Symptoms rarely disabling as a standalone Rumex sensitization
- Most clinical burden comes from concurrent grass co-sensitization
A positive Rumex skin test in a patient who is also IgE-positive to Timothy is one of the most common interpretive puzzles in spring allergy panels. The season overlaps perfectly, so I always ask: where does this patient spend time outdoors — hayfield, lawn, roadside? The answer tells me whether the dock-sorrel positivity is clinically meaningful or just a co-reactant.
When & Where Dock/Sorrel Peaks
Allergen intensity by month and by state. Useful for timing SCIT start dates and travel planning.
12-Month Intensity
Peak: May through June across most of the US; the season overlaps almost entirely with Pooideae grass pollen· ~10–12 weeks of significant pollen release; timing is the key diagnostic confounder with grass sensitivity
US Exposure Map
10 high-intensity statesWhat Dock/Sorrel Cross-Reacts With
Patients sensitized to one allergen often react to others sharing similar proteins. This map shows the documented molecular overlaps.
Dock-sorrel cross-reactivity is driven primarily by pan-allergens (profilin, polcalcin) rather than species-specific major allergens — no Rumex-specific molecular allergen has been characterized, so component-resolved diagnostics cannot confirm genuine species-specific sensitization (Mari et al. 2008 Curr Allergy Asthma Rep).
Same genus; genus-level extract cross-reaction is expected; shared extract proteins likely
Rumex crispus is the most common dock species; genus-level extract cross-reaction expected
Same Polygonaceae family; pan-allergen cross-reactivity theoretically possible but unstudied
Cross-reactivity via profilin and polcalcin pan-allergens; both peak in spring
Is SCIT Right for Your Dock/Sorrel Allergy?
Answer five questions to understand whether dock-sorrel warrants inclusion in your allergy shot regimen.
How severe are your spring pollen symptoms during May–June?
The Dock/Sorrel SCIT Protocol
Dock-sorrel SCIT uses a non-standardized genus-level Rumex extract, labeled as 'dock/sorrel mix' or 'Rumex spp.' in W/V or PNU/mL. It is almost exclusively combined with grass and other weed extracts in a multi-allergen vial — monotherapy for Rumex alone is rarely clinically justified.
Increasing doses of the multi-allergen vial containing dock-sorrel alongside grass and other weed extracts. Because dock-sorrel is typically a minor vial component, the build-up schedule is determined primarily by the most potent allergen in the vial. The 30-minute post-injection observation period is mandatory at each visit.
Monthly injections at the maintenance dose sustain the immunological effect. Dock-sorrel's contribution within the multi-allergen vial is part of the overall spring-weed and grass desensitization program.
Completing the full 3–5 year course generally provides lasting benefit for the full sensitization profile, including any Rumex contribution. Individual species-level follow-up is rarely needed.
Extract Concentration Ladder
You progress through each vial during build-up. Concentration increases ~10x per step.
What the Research Shows for Dock/Sorrel SCIT
No published SCIT RCT exists for Rumex monotherapy. Dock-sorrel is included in multi-allergen vials based on documented sensitization and the general AAAAI framework for non-standardized weed pollen extracts.
- SPT positivity to Rumex extract in mixed European cohorts9%D'Amato et al. 2007, Allergy 62:976–990 — European weed sensitization survey
- Grass SCIT efficacy as the primary co-allergen benchmark80%Frew 2008, JACI — meta-analysis of Pooideae grass SCIT (timothy reference standard)
No Rumex-specific SCIT RCT has been published. The evidence basis for including dock-sorrel in multi-allergen vials is the AAAAI Allergen Immunotherapy Practice Parameter framework (Cox 2011 JACI) for non-standardized weed pollen extracts in patients with documented sensitization and clinically concordant exposure history. Efficacy for the broader multi-allergen program is largely driven by the grass component.
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Dock/Sorrel SCIT Side Effects
Dock-sorrel SCIT follows the standard inhalant allergen safety profile when included as a component in multi-allergen vials. All injections require a 30-minute at-home observation period.
Local reactions
3 documentedSystemic reactions
4 documentedSCIT safety for non-standardized weed extracts follows the same standards as standardized extracts, with an excellent US safety record over decades of use. Curex brings that safety standard home: a board-certified allergist oversees the plan, a prescribed epinephrine auto-injector is confirmed on hand before the first injection, and your first dose and every dose change are supervised live over Zoom by the prescribing physician.
SCIT vs Alternatives for Dock/Sorrel
For dock-sorrel sensitization, the treatment decision is almost always made in the context of concurrent grass and multi-weed sensitization — monotherapy for Rumex alone is rarely warranted given the thin evidence base.
| Criterion | At-Home SCIT (Curex, multi-allergen)Best | SLIT drops | Avoidance | Medications |
|---|---|---|---|---|
| Effectiveness | Moderate (part of broader regimen) | Moderate (extrapolated evidence) | Low (ubiquitous spring weed) | Good seasonal control |
| 5-yr cost | $3,500–$15,000 | $1,500–$4,500 | Minimal | $500–$3,000/5 yrs |
| Duration | 3–5 years | 3–5 years | Lifelong disruption | Lifelong use |
| Convenience | Self-administered weekly then monthly at home with Curex | Daily at home | Difficult in rural settings | Daily medication burden |
| Safety | Excellent — prescribed epi on hand, first dose Zoom-supervised | Very high — no injection risk | Excellent | Generally safe |
| Lasting effect | Yes — 7–12+ yrs | Emerging evidence | No | No |
At-Home SCIT (Curex, multi-allergen)Best
SLIT drops
Avoidance
Medications
For patients with documented Rumex sensitization and concurrent spring grass allergy, a combined multi-allergen SCIT vial addresses the full exposure window more effectively than pharmacotherapy. Curex builds that combined vial — dock-sorrel with co-exposed grasses and plantain — into one weekly at-home shot for $129/month all-inclusive: serum sterile-compounded to USP <797>, a board-certified allergist overseeing the plan, a prescribed epinephrine auto-injector confirmed on hand, and your first dose plus every escalation supervised live over Zoom.
What Dock/Sorrel SCIT Actually Costs
Most major US insurers cover allergen immunotherapy for documented weed sensitization. Dock-sorrel (Rumex) is a standard weed panel allergen available under broad immunotherapy coverage — confirm that your plan covers multi-allergen SCIT vials containing weed extracts. Curex at-home IgE testing identifies specific dock/sorrel sensitization before allergist consultations, eliminating the need for an initial skin-test visit.
Cost range varies by deductible, co-insurance, and clinic.
Verify these codes with your insurer to confirm coverage.
Flat monthly subscription — includes consult, prescription, and at-home dosing for sublingual immunotherapy.
See if you qualifyStop guessing about your dock/sorrel allergy. Get a plan.
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Dock/Sorrel SCIT — Frequently Asked
Quick answers to the questions patients ask most before starting treatment.
Dock-sorrel is a genus-level reagent for Rumex — a large genus of approximately 200 species worldwide, with around 50 in North America. When allergists refer to a 'dock-sorrel' skin prick test or extract, they are using a pooled preparation from multiple Rumex species rather than a single-species extract. The most commonly encountered North American Rumex species are R. crispus (yellow/curly dock — roadsides and disturbed sites), R. acetosella (sheep sorrel — acidic pastures), R. obtusifolius (broad-leaved dock), and R. acetosa (garden sorrel). A positive dock-sorrel test signals family-level sensitization; additional history about habitat and exposure helps determine which species is the primary source.
This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. Content reviewed by board-certified allergists at Curex.