Timothy grass
Scientific names: Phleum pratense
Family: Poaceae
Alternate names: Fléole des Champs, Fléole des Prés, Herd Grass, Herd's Grass, Meadow Cat's-tail, Mil, Phléole des Champs, Phléole des Prés, Timothy
Background
Timothy grass is a cool-season variety of grass. Many people are allergic to the pollen from timothy grass.
People use prescription products that contain timothy grass pollen in small doses to reduce seasonal allergy (hay fever) symptoms.
People use prescription products that contain timothy grass pollen in small doses to reduce seasonal allergy (hay fever) symptoms.
Safety Safety definitions
When applied under the tongue: Prescription timothy grass pollen extract is POSSIBLY SAFE for most adults when used appropriately. It can cause itching and irritation of the mouth and nose, blisters in the mouth, and runny nose. There isn't enough reliable information to know if non-prescription products are safe or what the side effects might be.
When injected under the skin: Timothy grass pollen extract is POSSIBLY SAFE for most adults when injected by a healthcare professional. It can cause irritation where the needle entered the skin. But using timothy grass pollen extract at very high doses is POSSIBLY UNSAFE. This can cause serious allergic reactions such as anaphylaxis.
Children: Timothy grass pollen extract is POSSIBLY SAFE when applied under the tongue (sublingual) in children 5 years or older or when injected under the skin of children 3 years or older.
When injected under the skin: Timothy grass pollen extract is POSSIBLY SAFE for most adults when injected by a healthcare professional. It can cause irritation where the needle entered the skin. But using timothy grass pollen extract at very high doses is POSSIBLY UNSAFE. This can cause serious allergic reactions such as anaphylaxis.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There isn't enough reliable information to know if timothy grass is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.Children: Timothy grass pollen extract is POSSIBLY SAFE when applied under the tongue (sublingual) in children 5 years or older or when injected under the skin of children 3 years or older.
Effectiveness
NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
Likely effective Effectiveness definitions
- Hay fever. Prescription timothy grass products reduce hay fever symptoms in people with allergies and asthma. Non-prescription products have not been studied for this purpose and are not expected to help.
Insufficient evidence Effectiveness definitions
- Asthma.
- Other conditions.
Dosing & administration
The following doses have been studied in scientific research:
ADULTS
UNDER THE TONGUE:
UNDER THE TONGUE:
ADULTS
UNDER THE TONGUE:
- For hay fever: 2800 units of a prescription product (GRASTEK, Alk Abello A/S) daily, starting 8-12 weeks before grass pollen season starts and continuing until it ends. This product is approved by the US FDA.
UNDER THE TONGUE:
- For hay fever: 2,800 units of a prescription product (GRASTEK, Alk Abello A/S) daily, starting 8-12 weeks before grass pollen season starts and continuing until it ends. This product is approved by the US FDA.
Interactions with pharmaceuticals
It is not known if Timothy Grass interacts with any medicines. Before taking Timothy Grass, talk with your healthcare professional if you take any medications.
Interactions with herbs & supplements
There are no known interactions with herbs and supplements.
Interactions with foods
There are no known interactions with foods.
Action
Timothy grass pollen in very small doses is thought to desensitize the body to grass pollen allergies.
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This monograph was last reviewed on 07/12/2023 11:00:00 and last updated on 07/12/2020 23:00:05. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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Natural Medicines rates safety based on scientific evidence according to the following scale: Likely Safe, Possibly Safe, Possibly Unsafe, Likely Unsafe, Unsafe, and Insufficient Evidence to Rate. For more information about Natural Medicines’ Safety Rating System, click here.
The Natural Medicines Effectiveness Ratings are assigned for specific indications. A product might be rated "Possibly Effective" for one condition, but be rated "Likely Ineffective" for another condition, depending on the evidence. For more info click here.
