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Mosquito-spread disease prevention

Heartworm Testing & Prevention

Heartworm testing and prevention options for dogs through PETS Clinic Wellness & Preventative Care.

Your clinic

Graham

Call the local team to confirm availability and arrange a visit on a satellite clinic date.

Visit details

When

PETS veterinarians and staff are on site 1-2 times per month. Call for dates and scheduling.

Where
120 Craig St.
Graham, TX 76450
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Prices at Graham

Heartworm Tests & Prevention

ServicePrice
Heartworm Test
Dog Heartworm
About this service
Heartworm disease can be life-threatening. Testing helps confirm whether prevention can be started or safely continued.
$30
4dx Heartworm Test
$40
Tri-Heart Oral (6mo)
Based on weight
About this service
Tri-Heart is a monthly oral heartworm preventative that also treats and controls roundworms and hookworms. Requires a yearly heartworm test.
$25 - $35
Heartgard Oral (6mo)
Based on weight
About this service
Heartgard is a monthly oral heartworm preventative that also treats and controls roundworms and hookworms. Requires a yearly heartworm test.
$50 - $70
Credelio Quattro (1mo)
About this service
Prevents fleas, ticks, heartworm, roundworms, hookworms, tapeworms, and screwworm. Discounted pricing available for 6-month ($150) and 12-month ($300) supplies. Additional pricing applies for dogs over 100 lbs. Requires a yearly heartworm test.
$30
Senergy (Cats, 1mo)
$15
Nexgard Combo (Cats)
$26

Prices are subject to change. Confirm the current rate with the clinic.

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More about Heartworm Testing & Prevention

What this service does and why it matters

Heartworm disease is spread by mosquitoes and can cause serious damage to a dog's heart, lungs, and blood vessels. Testing helps confirm whether prevention can be started or safely continued.

  • For pets, prevention is far easier on the body than heartworm treatment after infection.
  • For owners, routine testing and prevention reduce the risk of a difficult, expensive disease process.
  • For the community, prevention helps interrupt the cycle of mosquito-spread disease among unprotected dogs.
What to know before a visit
  • Dogs need a current heartworm test before starting or refilling heartworm prevention.
  • Heartworm preventatives do not kill adult heartworms.
  • Year-round prevention is recommended because mosquitoes can appear outside the expected season.
  • Indoor cats can also be exposed to mosquitoes, but PETS Clinic heartworm testing language on this site is focused on dog service availability.
Sources and references