Doctor insights on:
How Long Should It Take For An Allergy Pill To Work
1/2 to 1 hour: Some antihistamines require metabolism in the liver to be converted into the most effective form to block histamine. These antihistamines take at least 1 hour to become effective. However, some antihistamines like allegra, xyzal and Clarinex are already in the active form and begin to work as soon as they are absorbed which take about 30 minutes. ...Read moreSee 2 more doctor answers
Essentially allergies occur when your immune system goes crazy and decides to has to fight against things it should be ignoring. The immune system of people without allergies simply ignores the pollen in the air or the dander on their cat while an allergic person's immune system creates cells to fight against the pollen or dander. The allergic reaction causes the ...Read more
Timing: Antihistamines work by blocking histamine receptors in your body. If the receptors are all full of histamine already (reaction has occurred), then there is nowhere for them to go and it will not make a difference in allergy symptoms. If you take them before exposure to allergens they can block the receptors and you will have less symptoms. ...Read moreSee 1 more doctor answer
If i took an allergy pill(extra strength 1aday) at 2pm yesterday, it is 7:00 am and I am needing another, can I take now? At work have allergy to cats.
Depends: It is occasionally ok to take extra dose of antihistamine but if you are taking 24 hour antihistamine decongestant combination it would be too much decongestant. Check with your doctor for other medicines that might relieve your symptoms. If you have unavoidable cat exposure you may benefit from a visit to the allergist. ...Read more
I took a allergy pill zyrtek but it doesn't seem to be working. How long can do I have to wait to take some bendryl?
Do over-the-counter allergy medicines work for oral allergy syndrome if you take a pill before eating?
No: The only thing that works for oas is allergy shots to reduce your sensitivity. I don't know exactly why that is, but i've never met a single patient who had found any medication that prevented oas symptoms. ...Read more
Please tell me how long do I take medicine for a sinus infection and can I take it along with 24 hour allergy pill?
If you have actual: Sinus infection then you would usually be prescribed antibiotics and would take the complete course of medication. ...Read more
Itchy(under arms) 3weeks, how long does arithromycin reaction take to go away? Tried allergy pills, creams(hydrocortisone, zinc oxide creams).What now?
- Talk to a doctor live online for free
- How long does it take for an allergy medicine to work?
- How long should it take for my claritin to work?
- How long does it take for chlamydia pills to work?
- Ask a doctor a question free online
- How long should it take for a steroid injection to work?
- How long should it take for an external hemorrhoid to go away?
- How long should it take for antibiotics to work for pneumonia?
- How long should it take for antibiotics to work for uti?
- Talk to an allergist and immunologist online for free