What should I check if my dog suddenly starts itching a lot? | arlo.® Atlas
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Overview
If your dog suddenly starts itching a lot, start by checking for simple triggers and obvious skin changes. It could be something mild like irritation from grass, a shampoo, fleas or a reaction to something in the environment, but repeated scratching can also happen with other skin problems, so it’s worth watching closely.
Things To Check
1. Check whether the itching started after a walk, bath, groom, change in bedding, new food, or a change in cleaning products.
2. Look closely for redness, swelling, small bumps, broken skin, scabs, damp patches or any areas that feel warmer than usual.
3. Part the coat and check for fleas, flea dirt, ticks, or signs of biting around the base of the tail, belly, armpits and neck.
4. Check the ears, paws and face, since these are common places for dogs to rub, lick or scratch when they’re uncomfortable.
5. Notice whether the itching is mild and occasional, or constant and hard for your dog to settle from.
6. Think about any recent contact with grass, pollen, mud, dust, washing detergent, scented sprays or grooming products.
7. Check whether anyone else in the home is affected too, or whether your dog seems itchy only in one area.
Common Causes
The most common causes are fleas, environmental irritation and skin sensitivity to something your dog has come into contact with. Dogs can also react to pollen, grass, shampoo, washing powder or household products.
Dry skin, grooming irritation and small skin infections can also make itching worse. Less commonly, mites, ear problems or an underlying allergy may be involved, but it’s not possible to tell the cause from scratching alone.
What To Do
Keep a simple note of when the itching starts, where your dog scratches most and anything that seems to make it worse. This can help you spot patterns and make sense of possible triggers.
If you suspect something in the environment, try to keep bedding clean, avoid strongly scented products and rinse off mud or pollen after walks if your dog seems more comfortable with that.
Check for parasites regularly, and watch the skin for signs of broken areas from scratching. Try to stop your dog making the skin worse through repeated licking or rubbing, especially if there’s already redness or scabbing.
If the itching continues, spreads, or keeps returning, it’s sensible to speak to your vet for advice.
Related Questions
Why is my dog scratching but not losing fur?
Could my dog be reacting to grass or pollen?
When should itchy skin be checked by a vet?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.