Medication reference facts with explicit FDA-approval, off-label, source-limited, and safety context. Roxee does not sell, prescribe, or dispense medications.
BothReference partialNot FDA-approved for animalsAX Pharmaceutical Corp
Official label facts
Owner quick guide first
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Some reference facts for this medication are still being verified.
Not FDA-approved as an animal drug.
No FDA-approved animal-drug application is linked for this record. It may represent extra-label, human-drug, bulk-compounding, export-only, or otherwise unapproved animal-use source data; use only under veterinarian direction.
Do not start, stop, or change treatment without your veterinarian.
Data freshness
Reference facts
Reference refreshed
Aug 6, 2026, 7:47 p.m.
Roxee has a partial reference profile for this medication. Some primary facts still need verification.
FDA applications
FDA application data refreshed
Aug 6, 2026, 7:47 p.m.
Sponsor, product, and application records imported from Animal Drugs @ FDA.
Safety reports
Safety data refreshed
Aug 6, 2026, 7:49 p.m.
openFDA reaction terms and case summaries are supporting evidence, not proof of causality.
Source timing details
Source timing details
Reference facts:Source Roxee| Refreshed Aug 6, 2026, 7:47 PM UTC
The reference fact projection used for browse cards and quick facts.
Animal Drug Product Listing Directory (NDC):Source FDA| Refreshed Aug 6, 2026, 7:47 PM UTC
Package/product NDCs from FDA’s electronic listing directory (XLS).
openFDA reaction terms:Source FDA openFDA| Refreshed Aug 6, 2026, 7:52 PM UTC
openFDA case summaries:Source FDA openFDA| Refreshed Aug 6, 2026, 7:52 PM UTC
Illustration placeholder
Doxycycline
Doxycycline
Drug type: Generic ingredient
• Branded profile • Not FDA-approved for animals
Both85% reference complete
Species: Both
Approval status: Not FDA-approved as an animal drug. No FDA-approved animal-drug application is linked for this record. It may represent extra-label, human-drug, bulk-compounding, export-only, or otherwise unapproved animal-use source data; use only under veterinarian direction.
Medication Snapshot
Merged from the current Roxee medication system with field-level provenance, freshness, and completeness tracking.
Doxycycline
Tetracycline antibiotic used for a variety of infections (often tick-borne diseases in dogs). Species commonly shown: Both.
Generic name
Doxycycline
Brand names
Doxycycline Monohydrate, AX Pharmaceutical Corp
Manufacturer
AX Pharmaceutical Corp
Species
Both
Completeness
85%
Validation
Incomplete
Brand names
Doxycycline MonohydrateAX Pharmaceutical Corp
Indications / Uses
Tetracycline antibiotic used for a variety of infections (often tick-borne diseases in dogs).
Administration / How To Give
Oral
Storage
Store at room temperature; protect from moisture.
Warnings / Contraindications
Use caution in young animals and in pregnancy. In cats, dry pilling can cause esophageal injury.
Use caution in young animals and in pregnancy. In cats, dry pilling can cause esophageal injury.
A source-aware map of what to know, what is uncertain, and what to verify with your veterinarian.
Source Backed Signals
What to know
Evidence-backed contextLimited
Roxee has limited cited overview evidence for Doxycycline; use the official documents and your veterinarian's instructions for product-specific decisions.
Source: openFDA case USA-USFDACVM-2025-US-070810
Safety signal coverageReported signals
32 tracked reaction signals; 32 reported cases; 24 serious reports; 2 species groups. These are reporting and label-derived signals for interpretation with a veterinarian.
Source: openFDA case USA-USFDACVM-2025-US-070810
Interpretation guardrailNot causation
Adverse-event reports help form a watch list, but they do not prove the medication caused the reaction and they are not a risk ranking between medications.
Evidence tension
Stronger signalLabel / review
Official labels, package inserts, and reviewed summaries carry more weight than isolated reports.
Source: openFDA case USA-USFDACVM-2025-US-070810
Weaker signalReported data
Case reports and openFDA terms are useful for pattern awareness, but they are incomplete, can include multiple exposures, and do not estimate an individual pet's probability of harm.
Reaction signal map
Most reported reactionsTop terms
Loss of appetite (1 reports), Decreased haematocrit (1 reports), Decreased appetite (1 reports), Death by euthanasia (1 reports), Death (1 reports)
['Pit Bull', 'Dog (unknown)'] (1), ['Chihuahua', 'Dog (unknown)'] (1), Retriever - Labrador (1), Pit Bull (1). These are report metadata, not proof that a breed is at higher risk.
What your vet may verify
Fit for this patientVet check
Verify whether Doxycycline fits the pet's species, current diagnosis, age, weight, organ status, pregnancy/lactation status, and concurrent medications.
Evidence limitationsEvidence review
Separate label-backed warnings from adverse-event reports and owner observations before changing the plan.
What to watch next
Watch listOwner-safe
Use caution in young animals and in pregnancy, In cats, dry pilling can cause esophageal injury, Loss of appetite, Decreased haematocrit, Decreased appetite
Call sooner ifEscalation
Repeated vomiting or diarrhea. Severe lethargy (hard to wake, very low energy). Collapse or fainting.
Bottom line: Use this Doxycycline brief as a structured watch list and source map, not as a reason to start, stop, or change treatment without your veterinarian.
Lack of efficacy (endoparasite) - heartwormIntentional misuse
Body systems
EffectivenessOther
Outcomes
Ongoing
USA-USFDACVM-2026-US-012896
Received 2026-03-18
· MSK
· MSK
Serious
Species
Dog
Breed
['Chihuahua', 'Dachshund (unspecified)']
Size / weight
10-24 lb (5.761 Kilogram)
Age
1-3 years (2 Year)
Sex
Male Neutered
Region
USA
Reactions
Lack of efficacy (endoparasite) - heartwormMedication error NOSIntentional misuseLack of efficacy (endoparasite) - roundworm NOS
Body systems
EffectivenessOther
Outcomes
Ongoing
USA-USFDACVM-2026-US-014359
Received 2026-03-16
· MSK
· MSK
Serious
Species
Dog
Breed
['Siberian Husky', 'Shepherd Dog - German']
Size / weight
50-99 lb (41.277 Kilogram)
Age
8+ years (9 Year)
Sex
Male Intact
Region
USA
Reactions
Other abnormal test result NOSLack of efficacy (endoparasite) - heartwormLethargy (see also Central nervous system depression in Neurological)Death by euthanasiaBlood in urineCloudy eye (for Miosis, Mydriasis, Anisocoria, Nystagmus - see Neurological)CoughSwelling NOSCorneal opacityUrine abnormalities NOSWeaknessIncreased lung soundsHaemolytic anaemiaNot eatingAbnormal breathingWalking difficultyDecreased red blood cell countDecreased percentage of reticulocytes
Body systems
OtherEffectivenessNeurologicSkin & allergy
Outcomes
Euthanized
USA-USFDACVM-2025-US-075154
Received 2025-12-23
· MSK
· MSK
Serious
Species
Dog
Breed
['Terrier - Jack Russell', 'Dog (unknown)']
Size / weight
10-24 lb (8.437 Kilogram)
Age
1-3 years (3.5 Year)
Sex
Female Unknown
Region
USA
Reactions
Lack of efficacy (endoparasite) - heartworm
Body systems
Effectiveness
Outcomes
Ongoing
USA-USFDACVM-2025-US-074999
Received 2025-12-19
· MSK
· MSK
Non-serious
Species
Dog
Breed
Pit Bull
Size / weight
50-99 lb (40.82 Kilogram)
Age
8+ years (9 Year)
Sex
Male Neutered
Region
USA
Reactions
Lack of efficacy (endoparasite) - heartworm
Body systems
Effectiveness
Outcomes
Outcome Unknown
USA-USFDACVM-2025-US-074812
Received 2025-12-19
· MSK
· MSK
Non-serious
Species
Dog
Breed
Pit Bull
Size / weight
50-99 lb (40.824 Kilogram)
Age
4-7 years (6 Year)
Sex
Female Neutered
Region
USA
Reactions
Lack of efficacy (endoparasite) - heartworm
Body systems
Effectiveness
Outcomes
Outcome Unknown
USA-USFDACVM-2025-US-074826
Received 2025-12-17
· MSK
· MSK
Non-serious
Species
Dog
Breed
Terrier - Jack Russell
Size / weight
10-24 lb (6.8 Kilogram)
Age
1-3 years (1.5 Year)
Sex
Male Intact
Region
USA
Reactions
Lack of efficacy (endoparasite) - heartworm
Body systems
Effectiveness
Outcomes
Outcome Unknown
Tap or hover a reaction to see what it means in plain language.
Tracked signals
32
Reported cases
32
Serious reports
24
Species represented
2
Grouped by Body System
Digestive (3)
· Loss of appetite, Decreased appetite, Blood in vomit
Skin & allergy (1)
· Application site hair loss
Neurologic (1)
· Unsteady walking (ataxia)
Behavior (1)
· Anxiety
Other (26)
· Decreased haematocrit, Death by euthanasia, Death
Dog, ['Siberian Husky', 'Shepherd Dog - German'], Male, 9 year, 41.277 kilogram • Drug: MSK, Oral • Reactions: Other abnormal test result NOS, Lack of efficacy (endoparasite) - heartworm, Tiredness (lethargy), Death by euthanasia, Blood in urine… • Outcome: Euthanized
Report ID: USA-USFDACVM-2026-US-014359
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 9.00 Year
Weight: 41.277 Kilogram
Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Oral
Reactions Reported:
Other abnormal test result NOSLack of efficacy (endoparasite) - heartwormTiredness (lethargy)Death by euthanasiaBlood in urineCloudy eyeCoughSwelling NOSCorneal opacityUrine abnormalities NOSWeaknessIncreased lung soundsHaemolytic anaemiaNot eatingAbnormal breathingWalking difficultyDecreased red blood cell countDecreased percentage of reticulocytes
Outcomes: Euthanized
Dog, Spitz - German Pomeranian, Female, 12 year, 3.357 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Unable to stand, Head down, Not drinking, Reluctant to move, Intentional misuse • Outcome: Ongoing
Report ID: USA-USFDACVM-2026-US-011643
Serious AE: No
Treated For AE: No
Sex: Female
Age: 12.00 Year
Weight: 3.357 Kilogram
Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown
Form: Unassigned
Reactions Reported:
Unable to standHead downNot drinkingReluctant to moveIntentional misuse
Outcomes: Ongoing
Data source: FDA openFDA Animal & Veterinary adverse event reports.
Overdose Information
No approved overdose-management text is linked yet. If overdose is suspected, contact a veterinarian or emergency clinic immediately.
Storage & Handling
Store at room temperature; protect from moisture.
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Medical Disclaimer: The medication details provided on Roxee are for informational purposes only and are not a substitute for professional veterinary advice. Always consult your veterinarian about your pet's specific needs.