About polymerized allergen extracts phleum pratense
Allergen immunotherapy
Used for
- Timothy grass pollen allergy
- Grass pollen allergic rhinitis and conjunctivitis
Usual adult dose
Specialist-set injections under the skin, gradually increased to a maintenance dose. Dose and intervals depend on the product schedule and tolerance.
Usual dose in children
For eligible children, specialist-set injections with gradual dose increases. Age eligibility, dose and intervals depend on the product guidance.
Common side effects
- Redness, itching or swelling at the injection site
- Sneezing, runny nose or itchy eyes
- Wheezing or breathing difficulty
- Rare severe allergic reaction, including anaphylaxis
Important warnings
- Administer where severe allergic reactions can be treated immediately
- Observe for at least 30 minutes after each injection
- Uncontrolled asthma increases the risk of serious reactions
- Illness or previous reactions may require postponement or dose adjustment
Pregnancy
Usually not started during pregnancy. Established, well-tolerated maintenance treatment may continue after specialist assessment, generally without dose increases.
Breastfeeding
Breastfeeding is generally compatible with allergen immunotherapy; product-specific information is limited.
Interactions
- Beta blockers may complicate treatment of severe allergic reactions
- Tricyclic antidepressants may increase adrenaline's cardiovascular effects
- MAO inhibitors may increase adrenaline's cardiovascular effects
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.