Cat Allergy Antihistamine Not Working

Benadryl is a first generation antihistamine which makes it sedating so.

Cat allergy antihistamine not working.

Otc antihistamine syrups are available for children. 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. To combat these symptoms your veterinarian may prescribe a cat antihistamine for allergy relief. The histamine in fact is what produces the common symptoms of feline allergies.

Some antihistamines can cause problems if your cat has a pre existing medical condition particularly heart or digestive problems. 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. That s why i ve chosen allegra 24 hour gel caps as the best antihistamine for cat allergies. But it s not uncommon for antihistamines to be ineffective.

The antihistamine still blocks histamine in your body at the same level as earlier in the season but if you didn t. 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. Over the counter otc antihistamine tablets include fexofenadine allegra allergy loratadine claritin alavert and cetirizine zyrtec allergy. Studies on the effectiveness of antihistamines for.

It s hard to say why antihistamines work for some people and not for others. Most people do not build a tolerance or develop immunity to allergy medication. Do not assume that if a medication is ok for one cat it is ok for another. 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.

A cat with a feline allergy produces histamine to help his body cope with the affecting allergen. The active ingredient relieves allergy symptoms without making you feel sluggish or causing other side effects. Prescription antihistamines taken as a nasal spray include azelastine astelin astepro and olopatadine patanase. The best antihistamines for cat allergies reduce symptoms while leaving you clear headed and feeling energetic.

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