Doctor insights on:
How To Test For Medication Allergy
Skin and other tests: It depends on which antibiotic is of concern. There are skin tests available for many of them, but they should be performed by a properly trained allergist with the necessary controls. After skin testing, depending on the history, another step (cautious challenge or desensitization) may be necessary. ...Read moreSee 2 more doctor answers
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
Yes.: Yes, however it is somewhat limited. The only fda approved antibiotic that we can skin test for is penicillin. It is tested in small amounts by scratch testing and then small amounts are injected, in increasing doses. Finally if these are negative a small oral dose is given. It is important to test for possible pencillin allergy as this is still an effective, inexpensive antibiotic. ...Read moreSee 1 more doctor answer
Dr. How to test for food allergies? How does allergy testing work in general? And what about non food allergy testing?
Two kinds: Of allergy testing - blood test for antibody levels and skin prick test (a small amount of the substance placed on a sharp tip that is pressed against the skin). The skin test is more likely to correlate with real allergy, however remember w both methods it can only suggest a possible allergy. Would leave interpretation up to ur allergist. ...Read more
Diagnose & Treat: Seeing an allergist for testing to determine what things you are allergic to is very helpful in several ways. Once you know your allergies you can avoid some things like cat, dog, or dust mites. You can also elect to begin immunotherapy in the form of shots or drops to help reduce your allergies. ...Read more
Wheat allergy: Wheat allergy can be diagnosed with a skin prick test, a blood test such as immunocap, or an elimination/challenge test. The best thing to do is to see an allergy/immunology specialist. The immunocap blood test can be ordered by your primary care doctor. ...Read moreSee 1 more doctor answer
Simple/less simple: Many PCP's can review your symptoms and order a set of blood tests through a variety of labs that correlate well with formal skin testing. With these results in hand you could confirm or exclude some of the foods you are confirmed about. If this did not help in the long run,a secondary evaluation by an allergist may provide better information. ...Read moreSee 1 more doctor answer
History and testing: The best way to determine whether a patient has food allergy is to get a good history. We can perform skin testing and check blood levels to specific foods such as peanut, egg, milk, soy, or wheat that may be associated with allergic symptoms without testing to a whole food panel. Depending on the severity of a reaction, we can do an in office challenge and/or recommend avoidance. ...Read moreSee 2 more doctor answers
It is a matter of: staying clean and waiting it out. Attempts to over-hydrate will be picked up by the testing. ...Read more
Diabetes: Diazoxide or "proglycem" is an oral hypoglycemic, which is particularly helpful in patients who suffer from hyperinsulinemia, or those who are not responding well to insulin. I believe the mechanism of action is for diazoxide to increase the sensitivity of Insulin to peripheral receptors, helping glucose to pass across cell membranes into the inner cell, where it can be used to produce energ. ...Read more
Not common: It is not common to test for drug allergies. The way to determine if you have an allergy is to see what happens when you take a drug. Certain drugs you know you might have an allergy to if you have other allergies like eggs and Propofol (the drug that mj overdosed on). ...Read moreSee 1 more doctor answer
What can I take for allergy medication if i'm trying to get pregnant? Can i take an antihistamine eyedrops medication?
Insurance?: Insurance may dramatically effect your out of pocket cost for allergy testing & treatment. With insurance the out of pocket cost can be close to $0. Without insurance there is some variation based on charges set by the provider, and the number of things to which you are allergic. Ballpark figure for maximum is $3500 to $5000 for 3 testing and 3 years of treatment. But you save on future meds. ...Read more
Depends on drug: From immediatly to weeks or months depending on drug the dose and route of administration. ...Read more
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 (levocetirizine) 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
Can't Answer: This is not an answer that can be provided on a format as this. It would be best to contact a local allergist and ask them. ...Read more
How do I test my self for allergies to medications? Or to cats? I was allergic cats years ago but I don't know if i still am. Im 20 and a male.
It depends: Testing for allergy to medications is indicated only if you had a reaction to a drug in the past and it is important to find out if you are really allergic or you need to be treated with it again. There is no good blood test, usually a skin test is performed. In most cases, administering the drug in a controlled manner in clinic is necessary. If you were allergic to cats in the pat, you sill are. ...Read more
Skin testing: There are a number of new skin tests that area available to check for allergies to certain medications. For example, a lot of patients claim to be allergic to penicillin antibiotics. However, many have no reaction or are not sure what the reaction was. By seeing an allergist, skin testing can be done to check for actual reactions to certain medications. ...Read more
I am going to have an allergy test. How long before that should I discontinue the allergy medications?
Ask your allergist: Each allergy office has its own recommendations regarding when to stop antihistamines before skin testing. At our office those taken more than once a day are stopped 48 hours before testing. Antihistamines taken daily are stopped 7 days before testing. ...Read moreSee 2 more doctor answers
Skin testing best: The various blood tests commercially available measure the presence of allergy antibodies (ige) either in total or directed toward a particular antigen. Allergy antibodies in the blood cause no symptoms. Allergy symptoms you require cells (mast. Or basophils) in your tissue with sufficient amounts of the particular igeto have a reaction. Therefore skin testing is the gold standard for testing. ...Read more
Which medications should I stop before the allergy test. And for how long should I stop them is it three days or 1 week is vitamins ok to take?
Antihistamines: Vitamins are ok. Primarily it is antihistamines that are the issue, and need to be avoided for a week prior to the test. Some for 5 days, depends on the allergist and the method of testing. Beware of antihistamines now in nasal sprays and eyedrops. Plus certain pysch drugs (notably antidepressants). Tests should include + and - control tests; + control doesn't show positive? Problem. ...Read moreSee 1 more doctor answer
Recent blood test revealed allergic all year round, has headache with pain on the right eye, numbness and pain on teeth doctor prescribed allergy medication with antibiotics. 1 am male, 48 years old. Still have pain and numbness on my right eye as well as
Other Options: In addition to the good suggestion from these answering doctors - other options would be for evaluations by: 1) a neurologist doctor. 2) a dentist that is very familiar with treatment of TMJ via use of a multiple of treatment options to select from based on the actual findings. ...Read moreSee 3 more doctor answers
What is the context: Depends on what you are looking for. No simple test. There are specific tests for certain things (penicillin). There are a few tests done to determine if an individual can tolerate a certain med (G6PD). Mostly, though, it comes down to trial of a med and knowledge of what to look for. For example if you get a cough with ACE inhib (lisinopril) your DR will change you to ARB (valsartan) ...Read more
I'm currently getting a blood test for allergies, will they also test for drugs, what should I do?
Don't worry: It would be very illegal and unethical to test you for street drugs without your consent, unless you were seriously sick and we had reason to think that knowing what drugs were in you would save your life. ...Read more
Absolutely not: You cannot be tested for drugs except in a life-and-death emergency without your consent. ...Read more
Will Cetirizine HCI 10mg make you test positive on a drug screen? Taking the med nightly for allergies
Allegra (fexofenadine) -d 12 hour allergy & congestion can show up on a drug test as amphetamine?
Chronic mild hives & prone to drug allergies too. skin test for foods negative, but still afraid. should I avoid nuts & fish since I'm allergy prone?
Saline nasal allergy spray called asteoto. it's main ingredient is azelastine hcl. could that show up on my drug test?
No, but sedating: Tons of meds cause false-positive results in drug tests. It depends on the actual testing reagents. Here's just one ex: http://www.pharmacologyweekly.com/articles/drug-classes-cause-false-positive-urine-drug-screen. Be honest reporting all meds, even if they won't show. Your antihistamine drops are considered sedating, so may be prohibited if you are a pilot/ATC. Consider montelukast. Works well. ...Read more
Is there anyway to test latent TB infection for drug resistance before starting treatment?...and i have asthma and allergies and have a cough sometimes...should i do anymore test before starting treatment?...complete negative chest xray...
Don't think so: Latent tuberculosis means there are no signs nor symptoms of TB, but only a positive screening test. Doctors wouldn't be able to locate and collect the bacteria to grow in the lab to test for drug resistance. If the screening test was a skin test and the doctor feels a blood test is needed, the doctor might order a TB blood test. Patients who had a BCG shot get more accurate screening from blood. ...Read more
One of my nostrils always feel stuffed, some times it makes it hard to sleep, not sure what i could be. I asked my doctor but he declines to conduct any tests despite the alergy medication he perscribed me having no effect for a month so far.
I : I could'nt help but intervene. The scope of practice and expertise offered for ear nose and throat problems are usually best evaluated, assessed and treated by an ear nose and throat specialist not an allergist. It is not in the scope of practice of an allergist to do more than the basic medical treatment of allergies affecting the nose in a similar fashion to your internist. Evaluation by an ear nose and throat specialist ensures you are not tossed around between doctors who do not have the training to perform the appropriate procedures to treat obstructions of the inside of the nose as you sound you may already have. The reason you may have a long standing obstruction of your nasal cavity that is nonresponsive to medication may be a result of a deviation of your nasal septum, a polyp in your nose caused by chronic allergies, an enlarged turbinate (a shelf like structure that runs the length of the nose that usually contributes to the humidification and heating of the air that comes through the nose), or enlarged adenoids. All these possible explanations for nasal obstruction are the domain of treatment of otolaryngologists. Find your local ENT and have your problem evaluated today before you get sent for unnecessary testing, not have the right testing in the first place or delay proper treatment. You are right outside of rochester and a google search away from your local ent. Good luck. ...Read moreSee 3 more doctor answers
Careful: Some allergy medications such as Benadryl (diphenhydramine) and zyrtec are sedating and together may be too sedating to function. Mixing allergy medications is best prescribed under the supervision of an allergist to avoid side effects. It depends what you are trying to treat, usually one second generation antihistamine is enough to treat nasal allergies. Other medications can be used for other symptoms. ...Read more
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