Cat Allergy Antihistamine Not Working

Occasionally the drug can work as a mild sedative that you can use during long car trips.

Cat allergy antihistamine not working.

The body absorbs both antihistamines quickly but zyrtec seems to work faster for some people. But it s not uncommon for antihistamines to be ineffective. To combat these symptoms your veterinarian may prescribe a cat antihistamine for allergy relief. Benadryl is a first generation antihistamine which makes it sedating so.

The antihistamine still blocks histamine in your body at the same level as earlier in the season but if you didn t. Some antihistamines can cause problems if your cat has a pre existing medical condition particularly heart or digestive problems. It s hard to say why antihistamines work for some people and not for others. If an antihistamine like zyrtec suddenly feels as though it s not working like your eyes are red or mucus is everywhere you re okay to switch to another.

Most people do not build a tolerance or develop immunity to allergy medication. If you do get the go ahead from your vet stick to the dose she recommends and do not give your pet more than that. Studies on the effectiveness of antihistamines for. That s why i ve chosen allegra 24 hour gel caps as the best antihistamine for cat allergies.

How to deal with cat allergies. Prescription antihistamines taken as a nasal spray include azelastine astelin astepro and olopatadine patanase. The histamine in fact is what produces the common symptoms of feline allergies. Benadryl can be used as an anti nausea or motion sickness medication but faught cautions that it s best to use a different medication if that s the.

Benadryl is most commonly used for itchy or allergic skin reactions vaccine reactions or bug bites. The active ingredient relieves allergy symptoms without making you feel sluggish or causing other side effects. Do not assume that if a medication is ok for one cat it is ok for another. The best antihistamines for cat allergies reduce symptoms while leaving you clear headed and feeling energetic.

If you ve been taking antihistamines for years and they re not working now kao says talk to your doctor about something stronger such as allergy shots more pollen days.