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House dust mite allergen extract Side Effects

Medically reviewed by Last updated on Feb 23, 2023.

Applies to house dust mite allergen extract: sublingual tablet. Other dosage forms:

Sublingual route (Tablet)

Dermatophagoides farinae and Dermatophagoides pteronyssinus extracts can cause life-threatening allergic reactions such as anaphylaxis and severe laryngopharyngeal restriction. Do not administer to patients with severe, unstable or uncontrolled asthma. Observe patients in the office for at least 30 minutes following the initial dose. Prescribe auto-injectable epinephrine, instruct and train patients or parents/guardians on its appropriate use, and instruct patients parents/guardians to seek immediate medical care upon its use. Dermatophagoides farinae extract/Dermatophagoides pteronyssinus extract may not be suitable for patients with certain underlying medical conditions that may reduce their ability to survive a serious allergic reaction, as well as for those who may be unresponsive to epinephrine or inhaled bronchodilators, such as those taking beta-blockers.

Serious side effects

Along with its needed effects, house dust mite allergen extract may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking house dust mite allergen extract:

Incidence not known

Get emergency help immediately if any of the following symptoms of overdose occur while taking house dust mite allergen extract:

Symptoms of overdose

Other side effects

Some side effects of house dust mite allergen extract may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Less common

Frequently asked questions

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.