Ragweed Pollen Allergen Extract Side Effects

Medically reviewed by Drugs.com. Last updated on Dec 12, 2024.

Applies to ragweed pollen allergen extract: sublingual tablet.

Precautions

It is very important that your doctor check your progress while you are using this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it.

This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right away if you have cough, difficulty swallowing, dizziness, fast heartbeat, hives, itching, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue, skin rash, tightness in the chest, trouble breathing, or unusual tiredness or weakness. If these side effects occur, get emergency help at once.

Your doctor may recommend that you have an emergency injection for allergic reactions available during the time of year you take this medication. If this is the case, make sure that you know how to use it properly for yourself in case of a serious allergic reaction.

This medicine may increase risk of eosinophilic esophagitis. Check with your doctor right away if you have severe chest pain or trouble swallowing while taking this medicine.

If you have trouble breathing or if your asthma becomes difficult to control, call your doctor immediately.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

Serious side effects

Along with its needed effects, ragweed pollen 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 ragweed pollen allergen extract:

Other side effects

Some side effects of ragweed pollen 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:

For healthcare professionals

Applies to ragweed pollen allergen extract: sublingual tablet.

General adverse events

The most common side effects reported were throat irritation, oral pruritus, ear pruritus, oral paresthesia, mouth edema, and tongue pruritus.^[Ref]

Hypersensitivity

• Frequency not reported: Systemic allergic reactions (including anaphylaxis)^[Ref]

Respiratory

• Very common (10% or more): Throat irritation (up to 16.6%)
• Common (1% to 10%): Oropharyngeal pain, throat tightness^[Ref]

Cardiovascular

• Common (1% to 10%): Chest discomfort^[Ref]

Dermatologic

• Common (1% to 10%): Pruritus^[Ref]

Gastrointestinal

• Very common (10% or more): Oral pruritus (10.9%), Oral paresthesia (10%)
• Common (1% to 10%): Mouth edema, tongue pruritus, lip swelling, swollen tongue, lip pruritus, dry mouth, tongue edema, nausea, palatal edema, dysphagia^[Ref]

Other

• Very common (10% or more): Ear pruritus (10.4%)^[Ref]

See also:

Further information

Ragweed pollen allergen extract side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer