African Pygmy Hedgehog Drug Dosing: A Vet Reference

PublishedAugust 4, 2026Reading time9 minExoticRx Editorial

Editorially reviewed against published veterinary references. Awaiting credentialed clinical reviewer — our editorial process.

Hedgehogs are the species most likely to make you wish you'd done something else. They ball up at the slightest stress, their spines turn a routine physical exam into a gloves-and-patience exercise, and the conditions you see most often (mites, neoplasia, wobbly hedgehog syndrome) range from "easy fix" to "no good options". The pharmacology overlaps with small-mammal medicine in obvious ways and diverges in a few specific places — most notably anesthesia, where the patient's defensive response will defeat the standard induction approach unless you plan around it.

This is the practical reference, written for the moment when the hedgehog is in front of you, balled up, and you need to remember what dose to draw up.

ExoticRx maintains an actively curated African pygmy hedgehog formulary. Browse the hedgehog formulary for live, source-cited data; this article is the editorial overview.

The species reality check

Atelerix albiventris is an obligate insectivore. The GI tract is shorter than you'd expect from the body weight (300–600 g typical adult), gut transit is rapid, and they don't have the hindgut fermentation that complicates rabbit and chinchilla pharmacology. That's the good news. The bad news:

• They ball up under stress. Mask induction without pre-medication often fails — the patient curls so tightly the mask can't reach the face. Plan for chamber induction or pre-med.
• Spines complicate every physical interaction. Restraint stress is real. Sedation is part of nearly every diagnostic workup beyond a brief weight-and-temperature check.
• Neoplasia is the leading cause of death in pet hedgehogs over 3 years. Most are oral squamous cell carcinoma, mammary, or lymphoma. The pharmacology context is mostly palliative — you're managing pain, not treating the cancer.
• Wobbly hedgehog syndrome (WHS) is a progressive demyelinating disease, no curative therapy. Drugs play a supportive role only.
• Obesity is endemic in pet hedgehogs and changes pharmacokinetics — dose by lean body weight estimate when the patient is clearly overweight.

Antibiotics

Hedgehogs tolerate most of the small-mammal antibiotic toolkit. There's no rabbit-style oral β-lactam catastrophe — they're insectivores, not hindgut fermenters.

Enrofloxacin: 5–10 mg/kg PO or SC q12–24h. First-line for respiratory infections (often Bordetella, Pasteurella) and skin infections. SC injection is preferred over IM in this body size — IM is irritating and the available muscle mass is small.

Trimethoprim-sulfa: 30 mg/kg PO q12h. Reliable workhorse for skin and urinary infections. Good penetration; usually well-tolerated. Hydration matters as in any sulfa-treated patient.

Amoxicillin / amoxicillin-clavulanate: 10–20 mg/kg PO q12h. Useful for confirmed bite-wound or non-respiratory bacterial infections. Some sources recommend caution but most modern formularies (Carpenter 6e) list it as safe in this species.

Doxycycline: 5 mg/kg PO q12h. Useful for Mycoplasma and atypical respiratory pathogens. Compounded liquid is the practical formulation given the tablet sizes available.

Metronidazole: 20 mg/kg PO q12h. Anaerobes, dental abscess, and Giardia. A reasonable choice when oral abscess is suspected.

Ceftiofur: 5 mg/kg SC q24h. Useful for resistant Gram-negative or chronic abscess where oral compliance is poor.

Analgesia

Hedgehogs hide pain even more aggressively than chinchillas — the species evolved to look uninteresting to predators. Behavioural pain signs include reduced foraging, decreased running-wheel activity, hunched posture, and reluctance to unball. Treat empirically when you see any of these.

Meloxicam: 0.2–0.5 mg/kg PO or SC q24h. The default NSAID. Use the lower end for chronic dosing. Hydration and renal status checks for any course longer than a week.

Buprenorphine: 0.01–0.05 mg/kg SC q6–12h. The standard opioid. The duration in hedgehogs is similar to other small mammals; 0.05 mg/kg q12h is a reasonable starting point for moderate post-op pain.

Tramadol: 5 mg/kg PO q12h. Adjunct for chronic neoplasia or musculoskeletal pain. Compounded liquid required.

Buprenorphine SR (sustained-release): 0.2–0.6 mg/kg SC q72h. Useful for post-op cases where repeat handling is undesirable — and in hedgehogs, repeat handling is always undesirable.

Local blocks (lidocaine 1–2 mg/kg + bupivacaine 1 mg/kg) under the planned incision before any procedure. Reduces systemic anesthetic and analgesic burden in a species that doesn't have wide safety margins.

Antiparasitics — mites are the constant

The single most common reason a hedgehog presents to a vet is Caparinia tripilis (or related sarcoptiform mites) causing pruritus, quill loss, and dry scaly skin. The combination of "spiny insectivore + endemic mites" makes selamectin the household name in hedgehog practice.

Selamectin: 6–18 mg/kg topical, repeated in 14 days. The first-line treatment. Spot-on the dorsal skin between the spines. Owner-friendly and avoids handling-stress injection.

Ivermectin: 0.4 mg/kg SC, repeated in 14 days. Alternative when selamectin is unavailable or refractory. Avoid the topical formulation — penetration through the dense spine coat is variable.

Fenbendazole: 20 mg/kg PO q24h × 5 days. Routine intestinal nematodes; a reasonable empirical treatment for chronic diarrhea cases when fecal float is negative but symptoms persist.

Praziquantel: 5–10 mg/kg PO once. Tapeworms; uncommon as a primary need.

Anesthesia — plan for the ball

The defining hedgehog anesthesia challenge: a stressed patient balls up, and a balled-up patient cannot be mask-inducted. The face is buried in the curled abdomen, the mask seals over spines instead of nose. The standard solutions:

Chamber induction with isoflurane 5% is the practical default. Place the patient in a small clear induction chamber, oxygen flush, then iso to 5%. Wait until the spines relax (usually 60–90 seconds) before transferring to mask at 2–3% maintenance. This works because the patient unballs when consciousness drops, not before.

Pre-medication with midazolam 0.5–1 mg/kg + butorphanol 0.2–0.4 mg/kg IM or SC, 20 minutes before induction. Reduces the stress-balling response. The IM injection through the spines requires technique — fold a towel over the mid-back and inject through the towel into the spinal muscles, or hold the patient gently uncurled (often by warm water immersion of the hindquarters, which most hedgehogs unball for).

Alfaxalone: 2–5 mg/kg IM. Useful for patients where chamber induction isn't feasible (e.g., severe respiratory disease where high iso concentrations risk decompensation). Smoother recovery than ketamine combinations.

Ketamine + midazolam: 5–10 mg/kg ketamine + 0.25–0.5 mg/kg midazolam IM. Older protocol but still used. Slower recovery than alfaxalone or chamber induction.

Maintenance: isoflurane 2–3% via mask once the patient is unballed, or via a 2.0–2.5 mm uncuffed tube for procedures >10 minutes.

Recovery: warm, dark, quiet — hedgehogs are easy to dehydrate and easy to chill. Give SC fluids (10–20 mL/kg warmed Hartmann's) before discharge. Monitor body temperature actively in the first hour.

Wobbly hedgehog syndrome — supportive drugs only

WHS is a progressive demyelinating CNS disease, presumed genetic, that affects up to 10% of pet hedgehogs. Onset is typically 18 months to 2 years. There's no curative therapy. The drug list is supportive:

Vitamin E + selenium: vitamin E PO q24h (dose per current small-mammal antioxidant references; the very low figures sometimes quoted are unreliable). Theoretical antioxidant benefit; some clinical reports of slowed progression. Low risk, low cost — usually offered.

Prednisolone: 0.5–1 mg/kg PO q24h, tapered. Reduces inflammation in some cases; benefit is variable and short-lived. Don't extend long-term.

Meloxicam: 0.2 mg/kg PO q24h for general comfort. Stiffness from disuse atrophy benefits.

Diet-and-environment management (low platforms, soft bedding, frequent gentle handling) often does more than the drugs. Owners should be counseled on prognosis early.

Neoplasia — the palliative drug toolkit

About 30–40% of hedgehogs over 3 years develop neoplasia. Oral squamous cell carcinoma is over-represented; mammary tumors and lymphoma are also common. Most are not curable. Drug-side considerations:

Meloxicam at 0.2–0.5 mg/kg PO q24h plus buprenorphine at 0.05 mg/kg SC q12h covers most pain comfortably. Add gabapentin 5–10 mg/kg PO q12h for neuropathic-component pain (oral SCC often has this).

Tramadol 5 mg/kg PO q12h as a third agent for poorly-controlled pain.

Steroids (prednisolone 1–2 mg/kg PO q24h, tapering) for lymphoma palliation. Not curative but can extend comfortable life by weeks-to-months.

Surgery for accessible mass removal is the higher-value intervention; chemotherapy is rarely pursued in this species due to size, anesthesia risk, and cost-of-life calculus.

What kills hedgehogs you shouldn't reach for

• Ivermectin topical (the dog/cat formulations) — penetration variable, dose calculation difficult. Use selamectin or injectable ivermectin instead.
• Fipronil — neurotoxic at the doses needed for parasitic effect in this species. Don't reach for the dog/cat spot-on.
• Permethrin — same severity as cats. Neurotoxic.
• Mask induction without pre-med or chamber — predictably fails, predictably stresses the patient, predictably ends in a longer procedure than necessary.
• Aspirin at canine doses — GI ulceration risk. Meloxicam is safer and better-characterised.
• Long-term high-dose steroids — same iatrogenic Cushing-like risks as in rats.

Quick reference

For per-drug live data, browse the hedgehog formulary or calculate by weight directly against the source-cited database.

Sources

• Carpenter JW, Marion CJ, eds. Carpenter's Exotic Animal Formulary, 6th ed. Elsevier, 2023.
• Quesenberry K, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed. Elsevier, 2020. (Hedgehog chapter.)
• Mori C, Hedley J. Anaesthesia and analgesia in African pygmy hedgehogs. J Exot Pet Med. 2019;30:32–9.
• Heatley JJ, Mauldin GE, Cho DY. A review of neoplasia in the captive African hedgehog. Sem Avian Exot Pet Med. 2005;14(3):182–92.
• Plumb DC. Plumb's Veterinary Drug Handbook, 10th ed. Wiley, 2024.