Not exact matches
Most of the monthly
heartworm medicines have a safety factor of
at least 15 days of protection if a
dose is missed.
Missing the monthly
doses of
heartworm prevention will put your pet
at risk for contracting
heartworm.
When used
at a low
dose for
heartworm prevention in a dog free of
heartworms, ivermectin is relatively safe.
Long - term monthly administration of ivermectin year - round
at three times the
dose normally used for
heartworm prevention eventually kills adult
heartworms.
Heartgard, which is used
at 6 micrograms / kg / month to prevent
heartworm infections, is given
at 100 times the
heartworm dose (600 micrograms / kg / day) for 2 - 3 months to clear demodex infections.
Ivermectin toxicity Many dogs can tolerate the low
dose required to prevent
heartworms but when ivermectin is used to treat the many other parasitic infections in dogs it is used
at much higher
doses and the likelihood of toxicity increases.
PetEducation notes the safety margin for
heartworm medications is high and they are safe to use
at the recommended
dose in pregnant dogs.
Nasal mites are killed with
heartworm medications, mainly Ivermectin or Milbemycin,
at higher
doses than the standard
heartworm treatment.
Heartguard does not kill any of the intestinal parasites
at the
heartworm prevention
dose.
These medications use an extremely low
dose of ivermectin, which is adequate to kill any L3 and L4 larval stages (baby
heartworms) that are inhabiting the pet's skin tissues
at the time the medication is given.
Side effects of Ivermectin / Pyrantel are rare
at the recommended
heartworm prevention
dose, but may include lethargy, limpness, salivation, shaking, diarrhea, decreased appetite, licking lips, and belching.
It's important to note that when given
at the recommended
dose, the medications used in monthly
heartworm preventives are
at levels safe enough even for dogs with the MDR1 mutation.
Possible side effects The side effects of ivermectin are rare
at the recommended
heartworm prevention
dose.
Side effects are rare for ivermectin given
at heartworm preventive
doses Considered to be safe in pregnant and nursing animals Problems may arise
at high
doses in some dogs, especially Collies, Australian Shepherds, Old English Sheepdogs, Shelties and any of these crossbreed dogs.
Ivermectin
at the
heartworm preventive
dose is not strong enough to kill common intestinal parasites.
There are breed - related sensitivities with ivermectin (i.e. collie - related breeds have some difficulties) though
at the very low
doses used in the prevention of
heartworm disease are not a problem for any breed.
«Yet research shows that only 15 percent of dogs that are regular veterinary patients receive 12
doses of
heartworm preventative per year, and 64 percent of dogs receive no
heartworm preventative
at all.»
Additional
doses of
heartworm preventative (available only if a
heartworm test is purchased
at the time of adoption)
If your pet contracts
heartworms during a period of time that no prevention was administered, but then prevention is continued after skipping
doses, your pet is
at risk for severe anaphylaxis (allergic reaction).
These breeds are not
at risk for trouble when using the low -
dose heartworm preventive products, but only when using the off - label skin parasite protocols.
While these drugs are generally considered safe and effective
at the low
doses used for
heartworm prevention, there are always exceptions.
A month later the
dose is repeated
at a higher
dose to kill all remaining
heartworms.
I address cost in several ways: (1) I inform owners when less - expensive options are available; (2) I give the owner the option to buy fewer
doses of medication
at a time; and (3) I explain that failure to give
heartworm preventives — or to give them year - round — can result in treatment that costs many times that of giving preventives.
If your dog misses a
dose or vomits up a
dose when you don't realize it they can be
at risk to catch
heartworms.
Most ivermectin based
heartworm preventives do not carry a high enough
dose of ivermectin to kill whipworms, though
at other
doses ivermectin could be used (with appropriate cautions - see link).