There is no doubt that the ivermectin is very effective in treating the parasitic infection. But the side effects are the cause of worry. The side effects are very much related to the quantity of the medicine used in treating the case. Higher the dose higher is the side effects are other complications.
The dosage of the ivermectin varies according to the purpose. The preventive dosages are generally low, hence the side effects very much limited. But the treatment dosages are more; hence there is an increased chance for possible side effects. Higher doses are recommended for treating demodex mite, sarcoptic mite and other dangerous parasitic infection. Ivermectin if used as per the direction of the vet, then there is no need to bother about the side effects.
Ivermectin side effects in cats
By and large, Ivermectin is very safe to use in cats. But one has to be wary of possible side effects listed here. They are crying, agitation, lack of appetite, paralysis of the hind limb, disorientation, muscle tremors, blindness, dilapidated pupils, head pressing, wall climbing etc. if you notice any one of the symptoms, do consult the vet and stop the medication if advised so.
Ivermectin side effects in dogs
The Ivermectin side effects in dog are related to the doasage of the medicine, susceptablity of the dog and lodging of heartworm microfilaria. Microfilaria is the larval form of the heart worm. If used in higher doses for treatment in dogs, Ivermectin is likely doing develop one more of the following side effects. They are Vomiting, blindness, in coordination, dehydration, dilapidated pupils, lethargy, lack of appetite etc. if ivermectin is used in dog infected with heart worm; a shock like reaction is possible which is caused by dying microfilaria. This shock like reaction may be accompanied by vomition, low body temperature and lethargy.
Ivermectin side effects in collies and similar breeds
In dogs, especially in collies, Ivermectin causes neurotoxicity. Neurotoxicity is manifested in the form of muscle tremors, in coordination, seizures, blindness and death. This neurotoxicity is very common in dogs that have multi drug resistance gene mutation, termed as MDR1.