Heartworm Treatment Aftercare Instructions
A day-by-day recovery guide for heartworm treatment: what to expect, how to care for yourself, and when to call. Free to read and print.
What to expect
Important Reminders
- •Never adjust dosages without veterinary guidance
- •Keep all recheck appointments for bloodwork
- •Maintain a symptom diary to share at appointments
Heartworm Treatment recovery, day by day
Medication Start
- Give all medications exactly as prescribed, at the same time each day
- Monitor appetite, water intake, and energy level closely
- STRICT rest: crate rest or very confined space. No running, jumping, or excitement.
- Keep a daily log of symptoms and medication times
Monitoring
- Follow up with your vet if any concerns arise
- Ensure fresh water is always available
- Feed consistent, measured meals at regular times
Adjustment Period
- Continue all medications without interruption
- Continued STRICT rest. This is critical to prevent pulmonary embolism from dying worms.
- Recheck appointment as scheduled for bloodwork or monitoring
Ongoing Management
- Continue medications as a long-term treatment plan
- Gradual return to activity ONLY after vet clearance. Retest in 6 months.
- Maintain consistent diet and exercise routine
- Schedule regular follow-ups every 3-6 months
When to call your provider or 911
- •Coughing, difficulty breathing, or bloody nose (signs of pulmonary embolism)
- •Rapid weight loss or complete appetite loss
- •Persistent vomiting or diarrhea
- •Extreme lethargy or disorientation
- •Jaundice (yellowing of gums, eyes, or skin)
When in doubt, call your clinic. For a medical emergency, call 911.
Recovery milestones
- Day 14
Initial recheck
Bloodwork and assessment to verify treatment is working
- Day 30
Dose stabilization
Medication levels confirmed in therapeutic range
- Day 14
Long-term management
Stable on treatment plan with regular monitoring
For clinics
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