Dr. Michael Zacharisen

Allergy and Immunology
Bozeman, MT
35 years experience male

Locations

Family Allergy & Asthma Care of Montana

Bozeman, MT

Address

4265 Fallon Street, Suite 3A, Bozeman, MT
Directions

My office hours

Thursday: 8:00am - 5:00pm
Show more

Fax

4064517020

Office

Bozeman, MT

About

Bio

Practiced at Medical College of Wisconsin for 17 years as Professor of Pediatrics and Medicine. Board certified Allergy/Immunology and 21 years as board-certified Pediatrician. Founder of Family Allergy Asthma Care of Montana in Bozeman, MT. MD at Medical College of Wisconsin with AOA. Residency at Children's Hospital of Wisconsin and fellowship in Allergy/Immunology at Medical College of Wisconsin Affiliated Hospitals. Now, Clinical Professor at University of Colorado School of Medicine, Denver, CO.

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Allergy and Immunology

Pediatrics - Allergy & Asthma

Languages spoken

English

Doctor Q&A

1.5K Answers
625 Agrees
The number of answers this doctor has agreed with.
A 40-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Some: Pku patients: Allegra (fexofenadine) odt contains phenylalanine, other Allegra (fexofenadine) formulations are ok. Pregnancy: it's category c, so pr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
No: There are a number of reasons to have hives, but staph infection is not one of them. There have been reports of individuals with strep infections who... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 52-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Start early: If you suffer from seasonal allergies, starting allergy medications before the season starts can result in much better control of symptoms. For nasal... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Depends on location: In the southern us, the allergy seasons are longer than in the northern us. In montana, trees typically pollinate for 2 months in the spring, grass f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Many: Many otc antihistamines can treat the itching associated with poison oak. These include claritin, (loratadine) clarinex, zyrtec and allegra. Older a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Very sick: Symptoms of milk allergy include immediate hives, swelling (tongue, lips), vomiting, diarrhea, cramping, and even shock (anaphylaxis). It may not e... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Lactose issues: While lactose intolerance may be transient following a GI infection, for many people it is an ongoing issue for which there is no cure. Good news is t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Shock: Symptoms of anaphylactoid shock same as anaphylactic shock with low blood pressure (shock), confusion, near loss of consciousness, hives, flushing, it... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Yes, for most: Pseudoephedrine like any other medication has benefits and risks. It is a good nasal decongestant. The problem lies in the side effects that some pe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Very rare: Solar urticaria is a rare type of physical urticaria or hives. The hives in this case are induced when the skin is exposed to certain wavelengths of ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
TTg-IgA: The IgA antibody to Tissue Transglutaminase is currently the best blood test to screen for Celiac disease. If this level is elevated, further evaluat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
New generation ones: Antihistamines in general are very safe. New generation products (Zyrtec, Claritin, (loratadine) Allegra, Xyzal) are just as effective with less side... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Depends on size: Large nasal polyps are generally surgically removed by ENT surgeons. Sometimes small nasal polyps are treated with topical nasal steroid sprays. Nas... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Quickly & accurately: Allergy skin testing is the preferred method to assess for allergies. A drop of allergen extract (such as pollen, dust mite, dander, mold, food, etc) ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Not exactly: Sotalol belongs to a class of medications called beta-blockers. True allergic reactions to beta blockers are uncommon. A person with asthma who take... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Identify trigger: The key to successful outcomes in allergies is identification of the trigger so avoidance measures can be taken. Medications like antihistamines may ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 50-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Steroid side effects: Decadron also known as dexamethasone is a potent steroid that can be taken as pill, injection or cream. Side effects are like other steroids but can ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Antihistamines: Hives are very common affecting 25% of the population. If the trigger of the hives can be identified, then avoid the trigger. To decrease the itchin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Depends: Zyrtec or Cetirizine is a new generation antihistamine for the treatment of allergic rhinitis and hives. It has very few side effects and drug intera... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Not normal: Wheezing is a common symptom of asthma as well as other serious lung conditions. It signifies a narrowing to the airway passage. It's important that ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Not yet: At this time there is no generic version of an inhaled steroid medication like Flovent for asthma. There are coupons and discount programs for variou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Unlikely: In general bacterial infections don't "suppress" the immune system; instead, the bodies immune system is increased to fight such infection. However, ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 58-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
See specialist: Severe coughing can interfere with sleep and daily activities. The best approach is to see a lung specialist to identify the reason for the cough so ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Unlikely milk: Recurrent ear infections is a fairly common problem especially in children. Typically these ear infections are related to frequent colds in conjuncti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Medication & warm up: Exercise is one of the most common triggers of asthma. It can occur by itself or be a symptom of uncontrolled persistent asthma. Doing a warm up and... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Other choices: There are several other antihistamines that are options. These include Cetirizine (zyrtec), levo-cetirizine (xyzal) fexofenadine (allergra), and de... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Unlikely due to food: Typically food allergies present with skin or GI symptoms. The skin symptoms are usually hives and itching especially near the mouth or lips. Forehe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Nonallergic thinitis: Cold air can lead to a drippy, runny nose called skier's nose. A red nose after being in cold air is likely a normal response to increased blood flow... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Allergy possibility: Allergic reactions in the vulva area have been described with latex exposure to condoms and even to semen from their partner. These are not common, b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Yes if no better: Most uncomplicated viral colds run their course in 7- 10 days. If thick yellow nasal mucus is not improving after about 10-14 days, the possibility t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Extrinsic alveolitis: A non-ige mediated, immunologically mediated lung disease with generalized symptoms due to sensitization of a wide variety of inhaled organic dusts. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Mold is ubquitous: Mold is also known as fungus or in some cases yeast. Fungal spores are very small and tend to be found in compost, barns/farms, hay, grass and damp b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
RADS: Reactive airways dysfunction syndrome (rads) a type of lung injury from inhaling a high level of irritant such chlorine or ammonia. It can cause airwa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Coughing blood bad: Nose bleeds can not only drip out the front, but can also drip down the back and when that mucus is brought up it has bloody streaks. However, if the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Itchy bumps-hives: Itchy raised red bumps can be symptoms of hives or insect bites. Hives wax and wane and can occur anywhere on the bottom. The itching should be reli... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Itch common: A major feature of eczema is significant itching. The itching and rash can occur anywhere but usually follows a particular pattern depending on age. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Much different: Pulmicort for asthma is an anti-inflammatory steroid in the same class as hydrocortisone. Side effects (based on duration, dose, age) are: skin thinn... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Indoor allergies: Common indoor allergens include dust mite and animal dander. Other less common indoor allergens are mold, cockroach, other pets (birds, rodents), and... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Not likely: The reason hives occurs is not clear, but if hives were a drug reaction to cefdinir, the hives occur during or shortly after (few days) of completing ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Possible hives: Hives are raised, red, itchy and can feel very firm due to the skin swelling. It is common for hives to come and go on different part of the body. T... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old male asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Yes: In old medical literature there was concerns that antihistamines could potentially cause problems in persons with asthma. This is not the case and ne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Nothing more: Ingestion of mold, black or otherwise is of little significance. Allergic reactions to mold are generally from the inhaled route leading to allergic... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Maybe not hives: Hives or urticaria when they resolve should return your skin to normal. There should not be pimples or acne that follows. If there is pimples, then a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Nasal steroid spray: Nasal steroid sprays are the most effective treatment for seasonal allergies. In addition, there would be no drug interaction with other medications... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Not necessarily: There are many types of antibodies. Some antibodies are good like igg, igm, and IgA as these are part of the immune system to fight infections. Anti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Symptoms and test: Latex allergy can manifest as rash, hives, asthma or even anaphylaxis after exposure to natural rubber latex. Exposures could be rubber gloves, condo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Stop the medication: The best treatment for medication allergy is to stop the medication that triggered the reaction as soon as possible. To decrease itching, a medicati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Evaluation needed: Allergic reactions limited to one foot is a bit unusual. It will be important for the treating physician to distinguish between soft tissue, swelling... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Caution: There is a high degree of similarity between cow's milk and other mammalian milk including goat, sheep and water buffalo. Water buffalo milk is the s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
Antiviral: The antiviral medication tamiflu is indicated for the treatment of inflluenza a or b infection if given within 48 hours of symptom onset. This can sh... Read More
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

18
Recommendations
1.8K
Thank you notes
Oct 21, 2013
Dr. Zacharisen provides informative detailed responses to questions that have been challenging. He is straightforward, knowledgeable, accurate and obviously empathetic to the people posing these issu...Read More
Oct 13, 2013
I enjoy learning from Dr. Zacharisen's answers, as he makes things understandable and approachable. He's a great resource here, providing public service on HealthTap.
Oct 14, 2013
I endorse Dr. Zacharisen. He provides accurate, understandable information on Healthtap. He is providing an excellent service to the public. I recommend Dr. Zacharisen.
HealthTap member
This was very helpful. Thanks! My pupils have been pinpoint all afternoon and evening and the only thing I could think that I did different than any other day was that I used my nasal spray a couple t...Read More
HealthTap member
Thank you, your answer or tip was very helpful! Thanks so much for your prompt reply. It is my first time taking symbacort and I do hope it gets everything under control. Thanks again.
HealthTap member
Thank you, your answer was very helpful! Thank u so much I dont think the the thanks above enough for what u do and the time u take for the people u help u are a very special person

Education & Training

Medical/Graduate school

Medical College of Wisconsin, WI
Graduated 1988MD

Residency

Medical College of Wisconsin Affiliated Hospitals

Residency

Children Hospital of Wisconsin

Awards

Best Doctors, M Magazine
Best Doctors in America
Top Doctors in Milwaukee

Affiliations

American College of Allergy, Asthma, & Immunology - Fellow
Montana Medical Association
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