Can NexGard Spectra Cause Vomiting?

When it comes to ensuring the well-being of our furry companions, understanding the potential side effects of medications is crucial. NexGard Spectra is a widely used flea and tick treatment for dogs, but can it cause vomiting? Let’s explore this question in detail.

Understanding NexGard Spectra

NexGard Spectra is a monthly chewable tablet designed to protect dogs against fleas, ticks, and various other parasites. It contains two active ingredients: afoxolaner and milbemycin oxime. These ingredients work together to kill fleas and ticks on contact and prevent future infestations.

Common Side Effects

While NexGard Spectra is generally well-tolerated by most dogs, like any medication, it can cause side effects. Some common side effects include lethargy, itching, diarrhea, and vomiting. While vomiting is not as common as other side effects, it can occur in some dogs.

Possible Causes of Vomiting

There are several potential causes of vomiting in dogs after taking NexGard Spectra. One possible cause is an adverse reaction to one of the active ingredients. Additionally, some dogs may be sensitive or allergic to certain components of the medication, leading to gastrointestinal upset.

Managing Vomiting

If your dog experiences vomiting after taking NexGard Spectra Singapore, it’s essential to monitor their condition closely. Contact your veterinarian for guidance on how to manage the symptoms. In some cases, your vet may recommend discontinuing the medication or switching to an alternative treatment.

Preventative Measures

To minimize the risk of vomiting and other side effects, it’s important to follow the dosing instructions provided by your veterinarian carefully. Additionally, introducing NexGard Spectra gradually and ensuring your dog receives the correct dosage based on their weight can help reduce the likelihood of adverse reactions.

Customer Experiences

Customer experiences with NexGard Spectra can vary widely. While some pet owners report no issues with the medication, others may have concerns about side effects such as vomiting. It’s essential to consider individual factors such as breed, age, and overall health when assessing the likelihood of side effects.

Safety Considerations

As with any medication, it’s important to prioritize your dog’s safety when using NexGard Spectra. Always follow the instructions provided by your veterinarian or the product label, and monitor your dog for any signs of adverse reactions. If you have concerns about the medication, don’t hesitate to consult your vet for advice.

Consulting a Veterinarian

If you have any questions or concerns about NexGard Spectra or your dog’s reaction to it, it’s always best to consult your veterinarian. They can provide personalized advice based on your dog’s specific needs and medical history, helping to ensure their safety and well-being.


In conclusion, while NexGard Spectra is an effective flea and tick treatment for dogs, vomiting may occur as a potential side effect in some cases. By understanding the possible causes, implementing preventative measures, and consulting your veterinarian when needed, you can help ensure the safety and well-being of your furry friend.


1. Is vomiting a common side effect of NexGard Spectra?

   – While vomiting is not as common as other side effects, it can occur in some dogs.

2. What should I do if my dog vomits after taking NexGard Spectra?

   – Contact your veterinarian for guidance on managing the symptoms and whether to continue the medication.

3. Are there any alternative flea and tick treatments available?

   – Your veterinarian can recommend alternative treatments if NexGard Spectra is not suitable for your dog.

4. Can NexGard Spectra be given to puppies?

   – NexGard Spectra is suitable for puppies over 8 weeks of age and weighing at least 2 kg. However, always consult your veterinarian before administering any medication to puppies.

5. How can I minimize the risk of side effects when giving NexGard Spectra to my dog?

   – Introduce the medication gradually, ensure proper dosage based on your dog’s weight, and monitor for any adverse reactions. If you have concerns, consult your veterinarian for guidance.

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