The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Adults:
- Itchy mouth (27%)
- Throat irritation (23%)
- Itchy ear (13%)
- Swelling in the mouth (11%)
- Tingling in the mouth (10%)
- Itchy tongue (6%)
Children:
- Itchy mouth (24%)
- Throat irritation (21%)
- Swelling in the mouth (10%)
- Itchy tongue (9%)
- Itchy ear (7%)
- Swollen lip (7%)
- Tingling in the mouth (5%)
- Mouth redness (5%)
Less Common Side Effects
- Mouth or throat redness
- Throat pain
- Numbness in the mouth
- Swollen lip
- Swollen tongue
- Swollen throat
- Trouble swallowing
- Headache
- Nausea
- Chest discomfort
- Hives
Grastek serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reaction: trouble breathing, throat swelling or tightness, chest tightness, swelling of the lips or tongue, dizziness, fainting, fast heartbeat, hives, itchy skin, flushing, stomach pain, nausea, vomiting
When do Grastek possible side effects begin and end?
Time passed since treatment started:
M
H
D
W
M
Risk of severe allergic reaction
Seek immediate medical care if you experience this side effect.
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.
Source: DailyMed
The following Grastek side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Heartburn, pain or trouble swallowing, chest pain that does not go away or gets worse
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
- Burning or tingling of the tongue, mouth, throat, or face
- Irritation inside the mouth or throat
- Itching of the mouth, lips, tongue, or ears
- Mild swelling of the mouth, lips, tongue, or throat
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