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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Ornithogallum Umbellatum, Flos
Brand Name
Bio Star Of Bethlehem
Generic Name
Ornithogallum Umbellatum, Flos
Active Ingredient
Ornithogalum Umbellatum Flowering TopCategory
Standardized Chemical Allergen [EPC]
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 6 [hp_X]/mL | LIQUID | ORAL | 43857-0269 |
Detailed information about Bio Star Of Bethlehem
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Bio Star Of Bethlehem, you must consult a qualified healthcare professional.
Ornithogalum Umbellatum Flowering Top is a standardized allergenic extract and adrenergic agent used in clinical immunology and specialized pharmacotherapy for its sympathomimetic and diagnostic properties.
Dosage for Ornithogalum Umbellatum Flowering Top is highly individualized and depends strictly on the purpose of administration and the patient's sensitivity level.
For skin prick testing, a single drop of the concentrated extract (typically 1:10 or 1:20 w/v) is applied to the skin. For intradermal testing, 0.02 mL to 0.05 mL of a highly diluted extract (e.g., 100 PNU/mL) is injected.
Ornithogalum Umbellatum Flowering Top may be used in children, but extreme caution is required. Pediatric dosing is generally based on the same titration principles as adult dosing, but the starting concentration may be even lower to minimize the risk of systemic reactions. Clinical studies have shown that immunotherapy is generally safe for children aged 5 and older; use in children under 5 requires a specialized risk-benefit analysis by a pediatric allergist.
No specific dosage adjustments are typically required for renal impairment when used as a diagnostic allergen. However, if systemic adrenergic effects are a concern, patients with severe renal failure should be monitored more closely for prolonged activity of metabolites.
Patients with significant hepatic dysfunction may have reduced clearance of the alkaloid components. While standardized allergen doses are small, caution is advised in patients with Child-Pugh Class C impairment.
Geriatric patients are at a higher risk for adverse cardiovascular events from the adrenergic properties of this substance. Dosing should be approached conservatively, often starting at the lowest possible concentration, particularly in patients with pre-existing hypertension or coronary artery disease.
Standardized extracts of Ornithogalum Umbellatum Flowering Top are almost exclusively administered in a clinical setting.
In immunotherapy, consistency is vital. If a dose is missed during the build-up phase, the next dose may need to be reduced or the previous dose repeated to maintain safety. If the maintenance dose is delayed by more than 2 weeks, your doctor will likely reduce the dose for the next injection to prevent a reaction. Never attempt to 'double up' on doses to catch up.
An overdose of Ornithogalum Umbellatum Flowering Top can lead to severe systemic reactions.
> Important: Follow your healthcare provider's dosing instructions exactly. Do not adjust your dose or frequency without medical guidance, as this significantly increases the risk of life-threatening reactions.
Most patients receiving Ornithogalum Umbellatum Flowering Top extracts for testing or therapy will experience localized reactions at the site of administration. These are generally expected and include:
As the dose increases during the build-up phase of immunotherapy, systemic but non-life-threatening symptoms may occur:
> Warning: Stop using Ornithogalum Umbellatum Flowering Top and call your doctor immediately or seek emergency care if you experience any of the following symptoms of anaphylaxis:
Prolonged use of allergenic extracts for immunotherapy is generally well-tolerated over several years. However, some patients may develop 'late-phase reactions,' which involve swelling and soreness that appear 6 to 12 hours after an injection. There is no evidence that long-term use of these extracts causes organ damage, provided that systemic reactions are avoided. The adrenergic components, if used chronically in high doses, could theoretically contribute to cardiac hypertrophy or chronic hypertension, though this is not typical in standard allergenic dosing.
While Ornithogalum Umbellatum Flowering Top itself may not have a specific individual black box warning, it falls under the general FDA class warning for Allergenic Extracts:
Report any unusual symptoms or persistent reactions to your healthcare provider immediately.
Ornithogalum Umbellatum Flowering Top is a potent biological agent. It must be used with extreme caution in patients with a history of severe asthma, as they are more likely to suffer fatal bronchospasm during a systemic reaction. Patients must be educated on the signs of anaphylaxis and may be required to carry an epinephrine auto-injector (e.g., EpiPen) while undergoing treatment.
No specific FDA black box warning exists for Ornithogalum Umbellatum Flowering Top as a standalone chemical; however, as noted in the side effects section, it is subject to the mandatory class-wide black box warning for all Standardized and Non-Standardized Allergenic Extracts. This warning emphasizes the risk of sudden, life-threatening anaphylaxis and the necessity of administration in a facility equipped with emergency resuscitative equipment.
Patients undergoing long-term therapy with Ornithogalum Umbellatum Flowering Top should have the following monitored:
In general, this substance does not cause sedation. However, if a patient experiences a systemic reaction or receives epinephrine to treat a reaction, they may experience tremors, nervousness, or dizziness, which would impair their ability to drive or operate heavy machinery safely.
Alcohol consumption should be avoided on the day of an allergy injection. Alcohol can cause vasodilation (widening of blood vessels), which may accelerate the absorption of the allergen and increase the risk or severity of a systemic reaction.
Immunotherapy is typically a 3-to-5-year commitment. Stopping suddenly will not cause a withdrawal syndrome, but the patient's allergic symptoms will likely return to their baseline levels. If the treatment is stopped for several weeks and then restarted, the doctor must significantly reduce the dose to ensure safety.
> Important: Discuss all your medical conditions, especially heart or lung problems, with your healthcare provider before starting Ornithogalum Umbellatum Flowering Top.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking, especially those for blood pressure, depression, or heart rhythm.
Ornithogalum Umbellatum Flowering Top must NEVER be used in the following circumstances:
These conditions require a careful risk-benefit analysis by a specialist:
Patients who are known to be allergic to other members of the Liliaceae family (such as Tulips, Hyacinths, or Lilies) may exhibit cross-sensitivity to Ornithogalum Umbellatum Flowering Top. This means they are more likely to have a reaction to the extract even if they have never been exposed to it before.
> Important: Your healthcare provider will evaluate your complete medical history, including all allergies and current medications, before prescribing or administering Ornithogalum Umbellatum Flowering Top.
Ornithogalum Umbellatum Flowering Top is generally categorized similarly to FDA Category C. There are no adequate and well-controlled studies in pregnant women. The primary risk is not direct teratogenicity (birth defects) from the extract itself, but rather the risk of systemic anaphylaxis in the mother. Anaphylaxis can lead to uterine contractions and placental hypoperfusion (reduced blood flow), which can result in fetal distress or death. Therefore, initiating immunotherapy during pregnancy is not recommended. If a patient is already on a stable maintenance dose and becomes pregnant, the physician may choose to continue the treatment at the same or a slightly reduced dose.
It is not known whether the components of Ornithogalum Umbellatum Flowering Top are excreted in human milk. Because most of the active ingredients are large proteins or are administered in very small quantities, the risk to a nursing infant is considered low. However, breastfeeding mothers should be monitored for any signs of allergic reactions in the infant, such as hives or unexplained irritability.
Allergen immunotherapy using Ornithogalum Umbellatum Flowering Top is generally considered safe for children 5 years of age and older. The efficacy in younger children has not been as extensively studied. Pediatric patients must be able to communicate symptoms of an impending reaction (e.g., 'my throat feels itchy' or 'my chest hurts'). Growth parameters are not affected by the use of these extracts.
Patients over the age of 65 are at a higher risk for adverse reactions due to the likelihood of comorbid conditions such as hypertension, heart disease, or chronic obstructive pulmonary disease (COPD). Geriatric patients are also more likely to be taking medications that interact with adrenergic agonists. In this population, the diagnostic wheal-and-flare response may be diminished due to age-related changes in skin reactivity, leading to potential under-diagnosis.
No formal studies have been conducted in patients with renal impairment. While the proteins are not cleared renally, any systemically absorbed alkaloids or catecholamine-like substances may have a prolonged half-life. Monitoring for signs of adrenergic overstimulation is recommended in patients with a GFR below 30 mL/min.
Caution is advised in patients with severe hepatic impairment (Child-Pugh Class C). The liver is responsible for the metabolism of many small molecules found in botanical extracts. Reduced hepatic clearance could theoretically increase the systemic duration of the extract's adrenergic effects.
> Important: Special populations require individualized medical assessment and closer monitoring by a healthcare professional.
Ornithogalum Umbellatum Flowering Top acts through two primary pathways. First, as an Allergenic Extract, it interacts with the immune system's B-cells and T-cells. Upon administration, the antigenic proteins are taken up by antigen-presenting cells (APCs), which then present them to T-lymphocytes. In allergic individuals, this initially reinforces Th2 cell activity. However, repeated, controlled exposure during immunotherapy induces the production of regulatory T-cells (Tregs) and the secretion of IL-10 and TGF-beta, which suppress the allergic response.
Second, the extract contains alkaloids and potentially cardiac glycosides (such as convallatoxin and rhodexin A) that act as Adrenergic Agonists. These molecules bind to G-protein coupled receptors (GPCRs). Alpha-1 binding activates the Gq pathway, increasing intracellular calcium and causing smooth muscle contraction. Beta-binding activates the Gs pathway, increasing cyclic AMP (cAMP), which leads to increased heart rate (Beta-1) and smooth muscle relaxation in the bronchioles (Beta-2).
| Parameter | Value |
|---|---|
| Bioavailability | Low (Subcutaneous); Variable (Oral) |
| Protein Binding | Variable; high for specific alkaloids |
| Half-life | 2-6 hours (systemic components) |
| Tmax | 30-60 minutes (subcutaneous) |
| Metabolism | Proteolysis; Hepatic (COMT/MAO) |
| Excretion | Renal (Metabolites); Fecal (Trace) |
It is classified as a Standardized Chemical Allergen and an Adrenergic Agonist. It belongs to the broader category of Biological Response Modifiers and Sympathomimetic Agents.
Common questions about Bio Star Of Bethlehem
Ornithogalum Umbellatum Flowering Top is primarily used in the field of allergy and immunology as a diagnostic tool and a therapeutic agent. Clinically, it is used in skin prick tests to identify if a patient has a specific allergy to this plant or related species in the lily family. Furthermore, it is used in allergen immunotherapy, commonly known as allergy shots, to help desensitize the immune system over time. Because it also possesses adrenergic properties, it can influence the heart and respiratory system, though this is usually a secondary consideration to its use as an allergen. Some traditional and homeopathic practices also use highly diluted versions of this extract for emotional support and shock, though these uses are not typically part of standard conventional medicine.
The most common side effects are localized to the site where the extract is injected or applied during testing. Patients frequently experience redness, itching, and a raised bump or wheal at the injection site, which is a sign that the immune system is reacting to the allergen. These local reactions are usually mild and disappear within 24 hours. Some patients may also feel slightly tired or have a mild headache following their treatment. While these are common, it is important to monitor the size of any swelling, as very large local reactions may indicate a higher risk for systemic side effects in the future. Always report the size and duration of these reactions to your allergist before your next dose.
It is strongly advised to avoid alcohol consumption on the days you receive an injection of Ornithogalum Umbellatum Flowering Top. Alcohol can cause your blood vessels to dilate, which might speed up the absorption of the allergen into your bloodstream, potentially increasing the risk of a severe systemic reaction. Furthermore, alcohol can mask the early symptoms of anaphylaxis, such as feeling flushed or dizzy, making it harder for you or your doctor to recognize an emergency. To ensure the highest level of safety during your immunotherapy, wait at least 24 hours after your injection before consuming alcoholic beverages. Always consult your healthcare provider for specific guidance regarding your lifestyle and treatment plan.
The safety of starting Ornithogalum Umbellatum Flowering Top during pregnancy has not been established, and it is generally avoided. The main concern is not that the drug causes birth defects, but that a severe allergic reaction in the mother could deprive the fetus of oxygen. For this reason, doctors typically do not start new allergy shots for pregnant patients. However, if you are already on a stable maintenance dose and become pregnant, your allergist may decide that it is safer to continue the treatment than to stop it. This decision is made on a case-by-case basis, weighing the benefits of allergy control against the risks of a reaction. Always inform your doctor immediately if you become pregnant while undergoing treatment.
The time it takes to see results depends on whether the extract is being used for testing or for treatment. For diagnostic skin testing, the results are almost immediate, usually appearing within 15 to 20 minutes of application. For allergen immunotherapy (allergy shots), the process is much slower and requires a 'build-up' phase that typically lasts 3 to 6 months. Most patients begin to notice a significant reduction in their allergy symptoms after they have reached their maintenance dose, which can take 6 months to a year. For the best long-term results, the treatment is usually continued for 3 to 5 years to provide lasting immunity. Consistency is key to the success of this pharmacological intervention.
Yes, you can stop taking Ornithogalum Umbellatum Flowering Top suddenly without experiencing physical withdrawal symptoms like those associated with narcotics or antidepressants. However, stopping immunotherapy will likely result in the gradual return of your original allergy symptoms, as your immune system loses the tolerance it was building. If you stop for a short period and then decide to restart, you cannot simply resume at your previous dose; your doctor will need to lower the dose significantly to prevent a dangerous reaction. It is important to discuss your reasons for wanting to stop with your healthcare provider to see if a different schedule or treatment might work better for you. Long-term success usually requires completing the full course of therapy.
If you miss a scheduled dose of Ornithogalum Umbellatum Flowering Top, especially during the build-up phase of immunotherapy, you should contact your allergist's office as soon as possible. Do not attempt to administer the dose yourself or take an extra dose later. The safety of immunotherapy depends on a strict schedule that gradually increases your exposure; a long gap between doses can make your immune system more sensitive, increasing the risk of a reaction when you restart. Your doctor will determine how much to adjust your next dose based on how much time has passed since your last injection. In some cases, if the gap is long enough, you may need to go back several steps in your dosing schedule. Safety is always the priority over speed when catching up on missed doses.
There is currently no clinical evidence to suggest that Ornithogalum Umbellatum Flowering Top causes weight gain. The extract is typically administered in very small quantities and does not contain hormones or metabolic modifiers that are associated with changes in body weight. Unlike some other medications used for allergies, such as oral corticosteroids (like prednisone), allergenic extracts do not affect appetite or fat distribution. If you experience unexpected weight gain while undergoing treatment, it is likely due to other factors such as lifestyle changes, other medications, or an underlying medical condition. You should discuss any significant changes in your weight with your primary care physician to determine the cause.
Ornithogalum Umbellatum Flowering Top can interact with several types of medications, some of which are very serious. The most critical interaction is with beta-blockers, which are often used for heart conditions or high blood pressure; these can make a severe allergic reaction much harder to treat. Other medications like MAO inhibitors and tricyclic antidepressants can also increase the risk of heart-related side effects due to the extract's adrenergic properties. Antihistamines, while not dangerous, can interfere with the results of allergy testing by 'hiding' the allergic response. It is vital that you provide your doctor with a complete list of all prescription drugs, over-the-counter medicines, and herbal supplements you are taking. Your doctor will help you manage these interactions to ensure your treatment is safe.
Ornithogalum Umbellatum Flowering Top is not a traditional 'pill' medication and therefore does not have a generic version in the way that drugs like ibuprofen do. Instead, it is produced as a standardized or non-standardized biological extract by specialized laboratories. Different manufacturers may produce their own versions of the extract, and while they contain the same active plant proteins, they may vary in concentration or the specific buffer solutions used. Your allergist will typically choose a specific brand of extract and stick with it throughout your treatment to ensure consistency. Because these are complex biological products regulated by the FDA, they are often referred to by their scientific name rather than a brand name. Always check with your provider if you have questions about the specific manufacturer of your extract.
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