Dog Bite Injuries: Infection, Wound Care, and Pharmacy Liens

Amar Lunagaria — Co-Founder & Chief Pharmacist, LienScripts | March 29, 2026 | 8 min read

Dog bite injuries create unique medication needs spanning antibiotic therapy, rabies post-exposure prophylaxis, wound care, reconstructive surgery support, and PTSD treatment. Pharmacy liens ensure access to these specialized — and often expensive — medication protocols when standard insurance coverage falls short.

Dog Bite Injuries: Infection, Wound Care, and Pharmacy Liens

Dog bite injuries require a medication protocol that addresses multiple urgent clinical needs simultaneously: infection prevention (dog bites have a 15-20% infection rate), rabies post-exposure prophylaxis when indicated, wound care for tissue damage, post-surgical medications if reconstructive surgery is needed, and psychological treatment for the anxiety and PTSD that commonly follow animal attacks. Pharmacy liens provide access to this complex medication regimen when health insurance coverage gaps would otherwise delay or prevent treatment.

• Dog bites carry a 15-20% infection rate requiring empiric antibiotic therapy, with specific organisms (Pasteurella, Capnocytophaga) requiring targeted coverage
• Rabies post-exposure prophylaxis (PEP) is one of the most expensive medication protocols in personal injury cases
• LienScripts provides MERIT (Medication Evaluation & Rationale for Injury Treatment) documentation connecting each medication to the specific bite injury and clinical indication
• Psychological injuries from dog attacks — especially in children — often require longer pharmacological treatment than the physical wounds

[!KEY] Dog bite infection rates are significantly higher than other traumatic wounds because the puncture mechanism drives oral bacteria deep into tissue. Empiric antibiotic therapy with amoxicillin-clavulanate (Augmentin) is standard of care for all dog bites that break the skin — even those that appear minor.

Infection Prevention: The First Medication Priority

Why Dog Bites Require Aggressive Antibiotic Therapy

Dog saliva contains bacteria not typically present in other wound types. The key organisms include:

• Pasteurella multocida — present in 50% of dog bite infections, causes rapidly progressive cellulitis within 24 hours
• Capnocytophaga canimorsus — can cause sepsis, particularly in immunocompromised patients or those without a spleen
• Staphylococcus and Streptococcus species — common skin organisms introduced through the puncture wound
• Anaerobic bacteria — deep puncture wounds create the low-oxygen environment that anaerobic organisms thrive in

Standard Antibiotic Protocols

• First-line: Amoxicillin-clavulanate (Augmentin) — covers Pasteurella, staphylococci, streptococci, and anaerobes
• Penicillin allergy alternative: Doxycycline or a fluoroquinolone (moxifloxacin) combined with metronidazole
• Severe infections / hospitalized patients: IV ampicillin-sulbactam or piperacillin-tazobactam, transitioned to oral therapy
• Duration: 5-14 days depending on infection severity and wound depth

According to James Wong, PharmD, founder of LienScripts, "The antibiotic protocol for dog bites is not optional or discretionary — it is standard of care based on the known bacteriology of canine oral flora. Defense challenges to antibiotic necessity in dog bite cases are clinically unfounded."

Rabies Post-Exposure Prophylaxis (PEP)

When the dog's rabies vaccination status is unknown, unverifiable, or the animal cannot be quarantined for observation, rabies PEP is indicated. This is among the most expensive medication protocols encountered in personal injury cases.

The PEP Protocol

1. Rabies immune globulin (RIG) — administered at the wound site on Day 0. Dose is weight-based (20 IU/kg). Cost per dose can exceed $5,000-$10,000 depending on patient weight.
2. Rabies vaccine series — four doses administered on Days 0, 3, 7, and 14. Each dose costs approximately $300-$400.

Why Rabies PEP Belongs on a Pharmacy Lien

Health insurance frequently creates barriers to timely rabies PEP:

• Prior authorization delays — RIG and rabies vaccine may require prior authorization, which is clinically unacceptable for a protocol that must begin as soon as possible after exposure
• Formulary restrictions — some health plans restrict which facilities can administer RIG
• High cost-sharing — even with insurance, the patient's out-of-pocket share for rabies PEP can be thousands of dollars

[!TIP] If your dog bite client received rabies PEP, obtain the complete billing records for both the immune globulin and the vaccine series. The total cost — often $10,000-$15,000 or more — is a significant component of the damages narrative and should be prominently featured in the demand package.

Wound Care Medications

Dog bite wounds range from superficial punctures to severe tissue avulsion requiring surgical repair. Wound care medications include:

• Topical wound care — irrigation solutions, topical antibiotics for superficial wounds, specialized wound dressings
• Tetanus prophylaxis — tetanus booster if the patient's vaccination status is not current
• Anti-inflammatory agents — to manage tissue swelling, especially in hand and facial bites where swelling can compromise function

Hand Bite Complications

Dog bites to the hand are the highest-risk location for complications because:

• Tendons, joints, and tendon sheaths are close to the skin surface
• Puncture wounds can introduce bacteria into joint spaces (septic arthritis) or tendon sheaths (infectious tenosynovitis)
• These complications require IV antibiotics and potentially surgical drainage

As Amar Lunagaria, PharmD, LienScripts' Chief Pharmacist explains, "Hand bite infections are among the most medication-intensive dog bite cases we manage. The proximity of tendons and joints to the skin surface means that what looks like a minor puncture wound can develop into an infection requiring weeks of IV-to-oral antibiotic transition therapy."

Reconstructive Surgery Medications

Severe dog bites — particularly to the face, hands, and extremities — frequently require reconstructive surgery. The medication needs extend well beyond the initial antibiotic course:

• Pre-surgical optimization — ensuring infection is controlled before surgical repair
• Post-surgical medications — antibiotics covering surgical site infection risk, pain management, anti-inflammatory protocols
• Scar management — silicone-based scar treatments, compression garments, and potentially corticosteroid injections for hypertrophic or keloid scarring

[!KEY] Facial dog bite cases in children produce both the highest reconstructive medication costs and the longest psychological treatment courses in dog bite litigation — the medication regimen may extend for a year or more when combining physical wound healing with psychological treatment.

Psychological Medication Needs

Dog attack survivors — particularly children — frequently develop:

• PTSD — intrusive memories, avoidance of dogs and the location of the attack, hypervigilance
• Generalized anxiety — fear of animals, fear of being outdoors, regression in children
• Sleep disturbance — nightmares, insomnia, fear of darkness

Medication Protocols for Psychological Injuries

• Adults: SSRIs (sertraline, paroxetine) for PTSD, prazosin for nightmares, short-term anxiolytics for acute anxiety
• Children: SSRIs (sertraline is FDA-approved for pediatric PTSD), with careful monitoring and slower titration schedules
• Duration: Psychological medications for dog bite trauma are typically prescribed for 6-12 months minimum, with gradual tapering under psychiatric supervision

MERIT Documentation for Dog Bite Cases

LienScripts generates a MERIT (Medication Evaluation & Rationale for Injury Treatment) report for every case, providing pharmacist-signed documentation for demand packages. In dog bite cases, the MERIT documents:

1. Antibiotic selection rationale based on known dog bite bacteriology
2. Rabies PEP clinical indication and cost documentation
3. Wound care medication timeline aligned with healing stages
4. Psychological medication necessity tied to documented PTSD symptoms

Liability and Lien Notice Considerations

Dog bite liability varies by state — some states have strict liability statutes, others follow the "one-bite rule." Regardless of the liability standard, the pharmacy lien notice should be sent to:

• The dog owner's homeowner's or renter's insurance carrier
• The property owner's insurance if the attack occurred on someone else's property
• Any commercial liability carrier if the attack occurred at a business

Contact LienScripts to enroll your dog bite clients in a pharmacy lien program.

Related Resources

• Burn Injury Medication Management: Pharmacy Liens
• How to Use Pharmacy Records in Your Demand Package
• Insurance Denial and Medication Access
• What Is a Pharmacy Lien?