Combine antihistamines with a steroid spray 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 antihistamine like Allegra to try it out; switching back is okay, too, Erstein said.
So, why do allergy medicines stop working? Air pollution and warm temperatures can worsen your allergy symptoms, so much so that allergy medicines seem to stop working. Both of these culprits appear in the spring and summer, which is why allergy season usually begins as temperatures start warming up after winter.
Unknown Triggers It is possible that you are not entirely sure what is triggering your allergy symptoms, which is why they are not going away. Allergy triggers include pollen, molds, animal dander, and food.
What to Do If Your Allergy Medications Stop Working. One of the most common complaints heard from allergy sufferers is that certain allergy drugs will stop working for them over time. This may occur after months or years of use and is most common among people who have chronic allergy symptoms.
Antihistamines block histamine chemicals from attaching to your immune cells, which normally would trigger allergy symptoms like runny nose and itchy eyes. However, antihistamines can lose their effectiveness in just three weeks of daily use, so you may have to find another solution if your symptoms last long enough.
After seeing little to no results from an antihistamine, your doctor may suggest that you try any of the following treatments, usually in the following order: Increasing the dose of your current antihistamine. A different antihistamine or a combination of several different antihistamines.
Do NOT “double-up” on a dose. Do NOT take a dose sooner than you’re supposed to. Do NOT take two different antihistamines at the same time. Instead, talk to your doctor or pharmacist if you have trouble finding a drug that works well for your allergy symptoms.
Try an over-the-counter remedy Oral antihistamines. Antihistamines can help relieve sneezing, itching, a runny nose and watery eyes. Decongestants. Oral decongestants such as pseudoephedrine (Sudafed, Afrinol, others) can provide temporary relief from nasal stuffiness. Nasal spray. Combination medications.
Depending on your symptoms, you can take antihistamines: Every day, to help keep daily symptoms under control. Only when you have symptoms. Before being exposed to things that often cause your allergy symptoms, such as a pet or certain plants.
Are allergies a sign of a weak immune system? God, no. If anything, it’s the opposite. Allergies are caused by your immune system responding too strongly to something innocuous.
Most people with allergies first develop them as children or infants. But as they age, some individuals seem to leave their hay fever, pet allergies or even food allergies behind. Doctors don’t know exactly why, but people’s allergies actually can disappear over time.
“Tree pollen season is usually at the beginning of spring in March, April, and the first half of May while the grass pollen season is typically mid- May through early-to-mid-July,” he says. “And the ragweed season is usually from mid-August until that first frost.”
If your Claritin stopped working, there are other drugs you can try to get relief from your allergy symptoms including other non-drowsy antihistamines, antihistamines in general, and decongestants.
But you may need to vary antihistamines occasionally. “Tolerance to a medication technically should not happen, but people often report the need to change products after using them for an extended period of time,” says Dr.
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