Best Medication for Cat Allergies

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Once you’ve confirmed your cat allergy, the first things doctors will tell you is to get rid of your cat. Most of us won’t do that.

By taking advantage of multiple treatment methods including grooming, environmental management, and medications, you can reduce your allergy symptoms to a manageable level and may be able to enjoy life with your cat.

In this article, we’ll focus on using antihistamines and other medications for cat allergies.

Quick Look: Medications for Cat Allergies

Allegra Allergy 24 Hour Gelcaps

Allegra Allergy 24 Hour Gelcaps

Rank

1st

Rating

9.7/10

Price

$25.31

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Basic Care All Day Allergy Cetirizine HCl Tablets

Basic Care All Day Allergy Cetirizine HCl Tablets

Rank

2nd

Rating

9.4/10

Price

$10.51

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Nasacort Allergy 24 Hour (Triamcinolone)

Nasacort Allergy 24

Rank

3rd

Rating

9.2/10

Price

$9.60

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Types of Medications for Cat Allergies

Antihistamines

Antihistamines block histamine, which is a biochemical messenger that triggers the immune response we characterize as an allergic reaction.

Hate drowsiness and want to feel fresh? Choose new generation antihistamines.

Antihistamines were developed in the 1940s. Early antihistamines penetrated the blood-brain barrier to reach histamine receptors in the brain.

Older antihistamines are referred to as first-generation antihistamine drugs. The older that an antihistamine is, the greater the likelihood of drowsiness and other side effects. These antihistamines are still on the market today. Perhaps the best-known example is Benadryl or diphenhydramine.

In the 1980’s, scientists developed a second generation of antihistamine drugs.

New antihistamines cross the blood-brain barrier to a lesser extent than do first-generation antihistamines. Consequently, they cause fewer side effects and are usually non-drowsy. They’re usually longer-lasting, allowing you to dose once daily rather than once every few hours.

For most allergy sufferers, newly-developed antihistamines provide relief without side effects.

Types of First-Generation Antihistamine Medications for Cat Allergies:

  • Chlorpheniramine (ChlorTrimeton)
  • Diphenhydramine (Benadryl)
  • Promethazine (Phenergan)
  • Hydroxyzine (Vistaril)

Types of New-Generation Antihistamine Medications for Cat Allergies:

  • Loratidine (Claritin)
  • Cetirizine (Zyrtec)
  • Levocetirizine (Xyzal)
  • Fexofenadine (Aller-ease, Allegra)

Nasal Steroid Sprays

Not to be confused with the anabolic steroids your jacked-up brother-in-law probably uses, corticosteroids target inflammation to minimize allergy symptoms.

Nasal steroid sprays fight the stuffiness, itching, and runniness that make you and your nose miserable. Sensitive individuals may find that nasal steroids make their nose feel even worse. Side effects are rare, but they include nosebleeds and, ironically, runniness.

Types of Nasal Steroid Medications for Cat Allergies:

  • Budesonide (Rhinocort)
  • Fluticasone (Flonase)
  • Triamcinolone (Nasacort Allergy 24HR)

Decongestants

Decongestants shrink the blood vessels in your nose, promoting airflow and helping you breathe easily. This is great when you haven’t breathed through your nostrils all day, but it’s important to remember that with shrunken blood vessels comes increased blood pressure. If you already have high blood pressure, this could be a problem.

Decongestants pose a risk to those suffering from glaucoma, heart conditions, diabetes, and thyroid disease. In essence, decongestants can help you breathe, but they can also make other problems a lot worse.

Therefore, decongestants aren’t a good choice for most cat allergy sufferers.

Types of Decongestant Medications for Cat Allergies:

  • Pseudoephedrine (Sudafed)
  • Allegra-D
  • Claritin-D
  • Zyrtec-D

Watch out for medications that contain acetaminophen.

Acetaminophen, the active ingredient in Tylenol, is added to some allergy medications to relieve headaches or other allergy-related pain. But it might not be a great inclusion in your allergy meds. Some medications contain 650mg of acetaminophen in every dose. With a dosage frequency of every four hours, a day of allergy medications would come with nearly 4,000mg or a maximum dose of acetaminophen in one day.

If you’re just feeling a little bit scratchy in the throat, a maximum dose of painkillers isn’t necessary or beneficial. And remember—acetaminophen isn’t necessarily harmless.

The Best Medication for Cat Allergies: Our Top Picks Reviewed

Best Antihistamine Gel Cap: Allegra Allergy 24 Hour Gel Caps (Fexofenadine)

Allegra Allergy 24 Hour Gelcaps

Fexofenadine is a second-generation antihistamine that minimizes the severity of sneezing, runny nose, itchiness, and fatigue.

Compared to sedating first-generation antihistamines, the drug has a limited ability to cross the blood-brain barrier. This makes it a relatively non-drowsy drug. The most common side effect among adult patients is a headache.

It’s sold under the brand name Allegra, but has been available as a generic drug since 2011.

This product is in a gel cap form, making it easy to swallow. It’s a fast-acting formula that starts producing results within an hour of dosage. Its effects last for up to 24 hours afterwards, giving you an entire day of protection.

It’s appropriate for people age 12 and over. Each gel cap offers 180mg fexofenadine.

Pros

  • Fast-acting formula
  • 24 hour protection
  • Known for effectiveness
  • Soft gel caps are easy to swallow

Cons

  • Somewhat expensive

Best Budget Antihistamine Tablet: Basic Care All Day Allergy Cetirizine HCl Tablets

Basic Care All Day Allergy Cetirizine HCl Tablets

Cetirizine is a second-generation antihistamine that minimizes sneezing, runny nose, itching, allergic conjunctivitis, and hives. As a newer product, it’s long-lasting and non-drowsy. You’ll need to take just one tablet in the morning for all-day protection.

You’ll find cetirizine branded as Zyrtec, but the generic version works just as well for a lower price. This antihistamine from Basic Care is sold at a very low price on Amazon.

The product is approved for use in adults and children ages six and over. Each tablet provides 10mg cetirizine.

Pros

  • Effective
  • Affordable
  • 24 hour allergy defense

Cons

  • Tablet form might not work for everyone

Best Nasal Steroid Spray: Nasacort Allergy 24 Hour (Triamcinolone)

Nasacort Allergy 24

Nasal steroid sprays are generally the most effective allergy treatment on the market.

Triamcinolone is a synthetic glucocorticoid, which means that it bonds to glucocorticoid receptors in the body. Glucocorticoids are naturally present in the body and help to regulate immune function and inflammation. By introducing a synthetic version of these hormones, you can produce an enhanced anti-inflammatory effect.

This 24-hour spray from Nasacort relieves congestion, sneezing, and itchiness. It’s alcohol and scent free, so it’s unlikely to cause irritation.

It starts working on the first day and provides the maximum effect after a few days to one week of daily use.

Remember that nasal steroids are contraindicated for use in people with glaucoma, ulcers, or cataracts. You also should avoid this product if you’re using other steroid medications.

Pros

  • Highly effective in managing nasal symptoms
  • Easy to administer
  • Non-irritating and scent-free

Cons

  • Relatively slow-acting
  • Unsafe for certain groups

Best Liquid Medication for Children with Cat Allergies: Basic Care Children’s All Day Allergy Cetirizine HCl Oral Solution

basic care

This medication is made with cetirizine and is formulated for children. Each 5ml serving contains 5mg Cetirizine Hydrochloride.

The grape-flavored liquid solution is palatable and easy to administer. It’s dye-free and sugar-free. Instead of sugar, the formula uses sorbitol and sucralose as substitute sweeteners.

It’s a good generic product that you can find at a very low price on Amazon. The Amazon listing comes with a simple dosing tracker so that you can make sure that the dosing is just right.

Although it’s sold for children, it’s also appropriate for adults who prefer liquid medications.

Pros

  • Appropriate for children 2 years and older
  • Effective
  • Grape flavored liquid is easy to drink
  • 24 hour allergy control

Cons

  • Contains sucralose and sorbitol, which are controversial artificial sweeteners

Remember—allergy medications are just one part of your cat allergy treatment plan.

We mentioned at the beginning of the article that medications aren’t a complete solution. With a multifaceted approach, you can reduce your cat allergies to a manageable level. Here are a few steps to bring you closer to that goal.

Start with the allergens on your cat.

Remember that cat allergens are secreted in your cat’s skin, saliva, and urine. By removing those allergens from your cat’s body, you can cut back on the allergens in your environment. If possible, a non-allergic individual should handle these tasks.

Wash your cat, potentially using an allergen-blocking shampoo.

While washing with an ordinary shampoo or dish soap will help, an allergen blocking shampoo may be even better. There’s some evidence that allergen-blocking shampoos can neutralize dander. Just don’t bathe your cat more than once or twice a week. Any more could dry out their skin.

Minimize shedding.

While cat hair isn’t allergenic itself, it carries dander and saliva, both of which contain cat allergens. By brushing your cat and throwing away the hair, you’ll minimize the amount of hair and dander in your home.

Keep your cat’s skin healthy.

Unhealthy skin breaks and flakes and sprinkles through your house. By improving your cat’s skin and coat health, you can minimize the amount of allergenic dander in the area. Omega-3 fatty acid supplements and a stellar diet can keep your cat’s skin and coat supple and strong.

Reduce allergens in the environment.

At roughly 1/10th the size of a dust allergen, these microscopic particles become airborne and remain in the environment for up to 6 months after the cat is no longer in the area. Regular cleaning is a necessity for those with cat allergies. Here are a couple ways to make a big impact.

Use an air purifier.

Capture airborne allergens with an air purifier. Not all air purifiers are equal, but the best ones capture these microscopic particles and make a big difference for allergy sufferers.

Vacuum regularly.

A powerful vacuum removes cat hair and dander from carpet and upholstery. If you choose one with a HEPA filter and minimal exhaust, allergenic particles will remain trapped in the vacuum and won’t re-enter the environment.

Click here for our list of the best vacuums for pet hair.

About the author


Mallory Crusta is a writer and adventurecat enthusiast on a mission to make cats’ lives extraordinary. She’s one of the founders of Wildernesscat – a site for happy, healthy, and adventurous cats who are fueled by nature. Visit Wildernesscat for radically natural cat nutrition, home remedies, and lifestyle inspiration.

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