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Doctor insights on: How Many Days Can I Go Without My Allergy Injections Before I Have To Start Over

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How many days can I go without my allergy injections before I have to start over?

How many days can I go without my allergy injections before I have to start over?

Variable: Depending where you are in your allergy injection schedule and how long it has been since your last shot will all factor into when you may need to restart your shots. If you are on maintenance therapy receiving your shots every 2-4 weeks and you missed one or two shot you will not have to start over. If it has been months or years since your last shot then you will probably have to start over. ...Read more

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Dr. John Chiu
2,479 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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How many days before allergy injections become effective?

How many days before allergy injections become effective?

Months: It can take months for allergy injections to become effective. It's always best to stay on your current allergy meds while building up immunity. ...Read more

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Could allergy testing be done 4 days after being given a 10mg injection of decadron (dexamethasone)?

Could allergy testing be done 4 days after being given a 10mg injection of decadron (dexamethasone)?

Not accurately.: Decadron (dexamethasone) is a pawerful anti-inflammatory steroid, which has a half-life of about 36 hours, which means on day 4, you have the equivalent of 2 mg of Decadron (dexamethasone) in your body, which is enough to decrease skin testing. Serum testing is also innaccurate at this point, will need to wait another 2 weeks for skin testing, up to 6 weeks for blood testing. ...Read more

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I just took decdrone injection as I was getting a lot of allergy.. I took kestine for 6 days 10 mg ..no cure allery lime hives were getting worse.. I was eati g meet alot as it was eid festival..no I am also taking meds.for.bodybuilding like pre supps and

I just took decdrone injection as I was getting a lot of allergy.. I took kestine for 6 days 10 mg ..no cure allery lime hives were getting worse.. I was eati g meet alot as it was eid festival..no I am also taking meds.for.bodybuilding like pre supps and

? acute urticaria: Due to food allergy or just idiopathic, you need to see your doctor or an allergist, as you might need more steroids/antihistamines, besides you need to revise with your doctor all the medicines/supplements you are on, drug-drug interaction, or drug-food interaction can cause what you have, be careful while on multiple medications/supplements, goodluck ...Read more

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Had allergy with swollen lips & eyes 2 days ago. Took Benadryl (diphenhydramine) and a steroid shot. Today having rash on torso and extremities. Allergic to injection?

Had allergy with swollen lips & eyes 2 days ago. Took Benadryl (diphenhydramine) and a steroid shot. Today having rash on torso and extremities. Allergic to injection?

More info.: Large dose of steroid can cause acne. However the rash may also be just a part of the swollen lips and eyes process which returns when the level of steroid starts to fall off. I presume that you are on Benadryl (diphenhydramine). ...Read more

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What is the benefit of going through allergy testing and getting injections?

What is the benefit of going through allergy testing and getting injections?

Help you feel Better: The first step in treating allergies is to be tested ..Usually on the skin. This helps figure out the cause(s). Then treatment (including avoidance or lessening exposure) can be done. Allergy shots are very effective when the above doesn't help enough. Being tested doesn't mean you need to get shots. ...Read more

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How effective is an allergy injection?

How effective is an allergy injection?

Very: Allergy injections (immunotherapy) can be very effective if you have tested positive for a specific allergen (eg.. Crab-grass, cats, etc.). The trade-off is daily medication for allergies (anti-histamines, nasal steroids) vs. A committment to go through immunotherapy which can take 1-2 years, but the trade off, if effective, is not needing to take medication at all. ...Read more

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What can a person expect after an allergy injection?

What can a person expect after an allergy injection?

A wait time: Patients are usually monitored for a time period after an allergy shot to make sure that no reaction occurs. Most reactions are local & involve redness, swelling, and irritation within 1 inch of the injection site. Occasionally reactions become body-wide and cause itchy eyes, runny nose, tight throat, shortness-of-breath, and hives. If these symptoms occur, immediate treatment is necessary. ...Read more

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