Write an article based on this "Check when your cat was last dewormed. Be aware of potential allergens. Check if your cat has started any new medications."

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An infestation of worms, such as tapeworms, can cause your cat to vomit.  By deworming your cat, you will be able to either stop the vomiting from occurring, or at least rule out this as a cause.  Deworm your cat more often — once a month at minimum — if they are allowed to hunt. If your cat is behind on their deworming, get them up to date. There are many dewormers available to purchase. Different products have different spectrums of effectiveness, thus deworming your cat is not a guarantee all the worms are gone. On occasions it is necessary for your vet to analyze a fecal specimen to identify any worms that have survived treatment. Use, selamectin (Revolution), for roundworms.  Use, milbemycin (Interceptor), to remove many types of worms. Many cats have allergies, particularly to proteins. Your cat may have an intolerance to a component of their diet.  Identify and remove any allergens from the cat's diet.  Ask your vet about hypoallergenic diets. Use a hypoallergenic diet for at least eight weeks, to ensure the allergen has passed.  Slowly introduce new foods, one at a time, and check for any that trigger vomiting. Some cats will vomit almost immediately after eating the allergen, but others may take hours to vomit. Generally, when the allergen reaches the stomach, irritation occurs, which results in vomiting. Cats are very sensitive to medications and many medications have the side-effect of causing vomiting.  Take note of any medications you may have given your cat and see if they might be responsible for the vomiting.  Your veterinarian will be able to tell you more about complications from medication. If a medication is the cause of the vomiting, ask your veterinarian for alternative. Cats are extremely sensitive to medications, home remedies should not be administered.