Eucalyptus by Herb Xtra

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Acne. Although there is interest in using topical eucalyptus for acne, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Asthma. A small clinical study suggests that taking the eucalyptol constituent of eucalyptus orally might have a steroid-sparing effect in some patients with asthma. Details: Preliminary clinical research in patients with steroid-dependent asthma shows that taking eucalyptol, a constituent of eucalyptus oil, 200 mg three times daily orally for 12 weeks, allows for an average reduction in prednisolone doses of 36%, compared with a 7% reduction in those taking placebo (13302).
• Bronchitis. Oral eucalyptol has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Some clinical research in patients with chronic bronchitis shows that taking a specific combination product containing eucalyptol and extracts of pine and lime (Myrtol standardized, MYS, Gelomyrtol forte) 900 mg daily orally for at least 1 month decreases the proportion of patients with acute exacerbations by 72%, compared with 53% for those taking placebo (48925). In patients with acute bronchitis, receiving the same product in a dose of 1200 mg daily for 14 days is associated with a reduction in symptoms in all but 1% of patients, compared with 32% of patients receiving placebo (48932).
• Burns. Although there is interest in using topical eucalyptus for burns, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Cancer. Although there is interest in using oral eucalyptus for cancer, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Chronic obstructive pulmonary disease (COPD). A small clinical study suggests that the eucalyptol constituent of eucalyptus might reduce acute exacerbations in patients with stable COPD. Details: Clinical research in adults with stable, moderate to severe COPD shows that adding eucalyptol, 200 mg three times daily, to conventional therapy for 6 months, including the winter season, reduces the proportion of patients experiencing acute exacerbations from 46% to 28% when compared with placebo (104960).
• Cough. Oral eucalyptus oil has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A meta-analysis of four clinical studies in patients with cough associated with bronchitis or upper respiratory tract infection shows that taking eucalyptus oil, either in combination with pine and lime essential oils (Myrtol or Gelomyrtol) or with Origanum syriacum, peppermint, and rosemary essential oils, daily for up to 6 months increases the likelihood of improvement or resolution of cough symptoms by 45% when compared with placebo (110095).
• Dental plaque. Using chewing gum containing eucalyptus extract might reduce dental plaque. Details: Preliminary clinical research shows that chewing gum containing 0.3% to 0.6% eucalyptus extract 3-5 times daily for 4 days to 12 weeks reduces dental plaque when compared with placebo (49010,92863).
• Diabetes. Although there is interest in using oral eucalyptus for diabetes, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Endotracheal intubation-associated adverse effects. It is unclear if nebulized eucalyptus oil is beneficial for prevention of complications associated with endotracheal intubation. Details: A small clinical study in Iranian patients intubated and receiving care in the intensive care unit shows that nebulizing 4 mL of eucalyptus 5% oil in 6 mL of normal saline every 8 hours for 3 days increases oxygen saturation and decreases peak inspiratory pressure, but does not affect the level of consciousness as measured using the Glasgow Coma Scale, when compared with nebulized normal saline (110096).
• Fever. Inhaled eucalyptus oil has only been evaluated in combination with other ingredients for fever following vaccination; its effect when used alone is unclear. Details: A large clinical study in adults shows that inhaling aromatherapy with eucalyptus oil 0.05 mL in combination with topical application of tea tree oil 0.05 mL on the affected arm every 2 hours while awake for 3 days after COVID-19 vaccination reduces the frequency of self-reported fever when compared with control during the first 48 hours after vaccination (113141). The interpretation of these results is limited by baseline group differences in receipt of various COVID-19 vaccine products, which may differ in side effect frequency. Also, it is unclear if these effects are due to eucalyptus, tea tree oil, or the combination.
• Genital herpes. Although there is interest in using topical eucalyptus for genital herpes, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Gingivitis. Using chewing gum containing eucalyptus extract might improve gingivitis. Details: Preliminary clinical research shows that chewing gum containing 0.4% to 0.6% eucalyptus extract five times daily for 4 days improves gingivitis when compared with placebo (92863).
• Gonorrhea. Although there is interest in using oral eucalyptus for gonorrhea, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Halitosis. Using chewing gum containing eucalyptus extract might improve halitosis. Details: Preliminary clinical research shows that chewing gum containing 0.4% to 0.6% eucalyptus extract five times daily for 12 weeks significantly improves halitosis and coating of the tongue when compared with placebo (92863).
• Headache. Topical eucalyptus has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that applying a combination of peppermint oil, eucalyptus oil, and ethanol topically to the forehead and temples does not affect headache pain, but improves cognitive performance and produces relaxation, when compared with placebo (3801).
• Influenza. Although there is interest in using oral or inhaled eucalyptus for influenza, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Injection site reaction. Inhaled eucalyptus oil has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A large clinical study in adults shows that inhaling aromatherapy with eucalyptus oil 0.05 mL in combination with topical application of tea tree oil 0.05 mL on the affected arm every 2 hours while awake for 3 days after COVID-19 vaccination improves self-reported muscle ache, localized swelling, pain, and fever, but not erythema, joint pain, or headache when compared with control in the first 24 hours after vaccination. However, at 24-48 hours, only localized swelling and fever were improved in the group using eucalyptus and tea tree oil (113141). The interpretation of these results is limited by baseline group differences in receipt of various COVID-19 vaccine products, which may differ in side effect frequency. Also, it is unclear if these effects are due to eucalyptus, tea tree oil, or the combination.
• Lice. Topical eucalyptus oil has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in patients with head lice shows that applying eucalyptus oil 11% and lemon tea tree oil 1% (MOOV Head Lice Solution, Ego Pharmaceuticals Pty Ltd.) reduces the ex-vivo egg hatching rate by only 3%, compared with a 44% reduction with tea tree oil and lavender oil (NeutraLice Natural Lotion), and a 68% reduction with benzyl alcohol, mineral oil, and triethanolamine (NeutraLice Advance) (19188). However, other research in elementary school aged children shows that applying the MOOV Head Lice Solution combination product to the scalp for 10 minutes, once weekly for 3 weeks, is more effective than applying pyrethrins and piperonyl butoxide once weekly for 2 weeks. At 7 days after the last application, 71% of children treated with the eucalyptus formulation were still free of lice, compared with 33% of children in the control group (98492).
• Onychomycosis. Although there is interest in using topical eucalyptus for onychomycosis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Oral mucositis. Although there is interest in using topical or oral eucalyptus for oral mucositis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Osteoarthritis. Although there is interest in using topical eucalyptus for osteoarthritis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Rheumatoid arthritis (RA). It is unclear if inhaled eucalyptus oil is beneficial in patients with RA. Details: A small clinical study in patients with RA shows that aromatherapy with eucalyptus essential oil, delivered by applying 2 mL of oil to pads attached to clothing for 5 minutes three times daily for 1 month, reduces pain and improves quality of life when compared with placebo (110094).
• Rhinosinusitis. Although there is interest in using inhaled eucalyptus for rhinosinusitis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Tinea corporis. Although there is interest in using topical eucalyptus for tinea corporis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Tuberculosis. Although there is interest in using oral eucalyptus for tuberculosis, there is insufficient reliable information about the clinical effects of eucalyptus for this condition.
• Ventilator-associated pneumonia (VAP). It is unclear if eucalyptus is beneficial for the prevention of VAP. Details: Preliminary clinical research in ventilated adult patients shows that nebulizing a 2% eucalyptus solution for about 20 minutes every 8 hours reduces the incidence of late bacterial pneumonia (occurring more than 96 hours after initiation of ventilation) from 58% to 30% when compared with placebo. In those patients who developed VAP, the onset occurred approximately 3 days later, on average, in the eucalyptus group than in the placebo group (104958).
• Wound healing. Although there is interest in using topical eucalyptus for wound healing, there is insufficient reliable information about the clinical effects of eucalyptus for this condition. More evidence is needed to rate eucalyptus for these uses.

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POSSIBLY INEFFECTIVE

• Diarrhea. Oral gelatin tannate does not seem to be beneficial for diarrhea treatment in infants and young children. Details: A pooled analysis of three clinical trials shows that taking gelatin tannate 250-500 mg four times daily for 5 days does not reduce the duration of diarrhea or stool frequency in infants and young children with acute diarrhea and gastroenteritis when compared with placebo (103296).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Aging skin. Although there has been interest in using oral gelatin for aging skin, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Beta-thalassemia. It is unclear if oral gelatin is beneficial for beta-thalassemia. Details: Preliminary clinical research in pregnant adults with minor or intermediate beta-thalassemia and mild iron-deficiency anemia shows that taking a specific form of gelatin made from donkey hide, colla corii asini, 15 grams daily for 4 weeks, increases hemoglobin by 11%, compared with a 5% reduction in those receiving no treatment (97634).
• Brittle nails. Although there has been interest in using oral gelatin for brittle nails, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Exercise-induced muscle soreness. Although there has been interest in using oral gelatin for exercise-induced muscle soreness and damage, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Joint pain. Although there has been interest in using oral gelatin for general joint pain, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Obesity. Although there has been interest in using oral gelatin for weight loss, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Osteoarthritis. Although there has been interest in using oral gelatin for osteoarthritis, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Osteoporosis. Although there has been interest in using oral gelatin for osteoporosis, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Rheumatoid arthritis (RA). Although there has been interest in using oral gelatin for RA, there is insufficient reliable information about the clinical effects of gelatin for this purpose.
• Ulcerative colitis. Rectal gelatin has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in adults admitted to the hospital in China with mild to moderate ulcerative colitis lesions shows that administering a 1-gram suppository containing a specific form of gelatin made from donkey hide, colla corii asini, and multiple other ingredients rectally for 3 months improves diarrhea and bloody stool symptom scores when compared with an 0.8-gram suppository containing the same ingredients. Recurrence at 12 months occurred in approximately 10% of the patients who received the higher-dose combination product compared with 47% of patients who received the lower dose. Patients in each group received 2 suppositories twice daily for the first month, 1 suppository twice daily for the second month, and 1 suppository once daily for the third month (109673). The interpretation of these results is limited by the lack of comparison to placebo or active control with known effectiveness for ulcerative colitis.
• Uterine fibroids. Oral gelatin has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Meta-analyses of a small number of preliminary clinical trials show that taking traditional Chinese medicines containing multiple ingredients including ejiao, a gelatin made from donkey hide, modestly reduces the volume of uterine fibroids and fibroid-related symptoms more effectively than mifepristone. When used in combination with mifepristone, benefits exceed those of mifepristone alone (106850). It is unclear whether any benefits are related to gelatin, one or more of the other ingredients, or their combination.
• Wrinkled skin. Although there has been interest in using oral gelatin for wrinkled skin, there is insufficient reliable information about the clinical effects of gelatin for this purpose. More evidence is needed to rate gelatin for these uses.

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LIKELY SAFE ...when used orally in amounts commonly found in foods. Eucalyptus has Generally Recognized As Safe status (GRAS) for use in foods as a flavoring in the US (4912).

POSSIBLY SAFE ...when eucalyptol, a constituent of eucalyptus oil, is used orally and appropriately. Eucalyptol appears to be safe for up to 12 weeks (13302).

POSSIBLY UNSAFE ...when the undiluted oil is used topically. Prolonged or widespread exposure has caused neurotoxicity (12869). There is insufficient reliable information available about the safety of diluted eucalyptus oil when used topically.

LIKELY UNSAFE ...when the undiluted oil is ingested orally. Ingesting 3.5 mL of undiluted oil can be fatal in adults (12867). There is insufficient reliable information available about the safety of eucalyptus oil when inhaled as aromatherapy or when eucalyptus leaf is used orally in medicinal amounts.

CHILDREN: LIKELY SAFE
when used orally in amounts commonly found in foods. Eucalyptus has Generally Recognized As Safe (GRAS) status for use in foods in the US (4912).

CHILDREN: LIKELY UNSAFE
when eucalyptus oil is used orally (12867,49002,107493,107495). ...when eucalyptus oil is used topically in infants and young children. There are reports of neurotoxicity in infants and young children exposed to topical eucalyptus oil. In one of these cases, a 12-month-old child was bathed in water containing eucalyptus oil and other essential oils; in another case, a child had a dressing containing eucalyptus oil applied every 2-4 hours daily for 2 days (12868,12869). ...when eucalyptus solutions are inhaled using a vaporizer (49002).

PREGNANCY AND LACTATION: LIKELY SAFE
when used orally in amounts commonly found in foods (4912). There is insufficient reliable information available about the safety of medicinal amounts of eucalyptus oil; avoid using.

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LIKELY SAFE ...when used orally in amounts commonly found in foods. Gelatin has Generally Recognized as Safe (GRAS) status in the US (4912).

POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, short-term . A specific type of gelatin from donkey hide, called colla corii asini, has been safely used in doses of 6-10 grams orally daily for 6-8 weeks. Higher doses of 15 grams daily have been associated with an increased risk of inflammatory adverse effects, including sore throat, swollen gums, local eczema, and oral ulcers (97634,107011). Since gelatin is often derived from bovine bones and skin, there is some concern about contamination with diseased animal parts (1825). So far, there are no reports of disease transmission to humans due to use of contaminated gelatin preparations.

CHILDREN: POSSIBLY SAFE
when gelatin tannate is used orally and appropriately in medicinal amounts, short-term. In children under 15 kg or under 3 years of age, gelatin tannate has been used with apparent safety at doses up to 250 mg four times daily for up to 5 days. In children over 15 kg or over 3 years of age, it has been used with apparent safety at doses up to 500 mg four times daily for up to 5 days (103296). There is insufficient reliable information available about the safety of other forms of gelatin in children.

PREGNANCY: LIKELY SAFE
when used orally in the amounts commonly found in foods.

PREGNANCY: POSSIBLY SAFE
when a specific type of gelatin from donkey hide, called colla corii asini, is used orally in doses of 10 grams daily for 6 weeks. Higher doses of 15 grams daily have been associated with an increased risk of inflammatory adverse effects, including sore throat, swollen gums, local eczema, and ulcers in the oral cavity (97634). There is insufficient reliable information available about the safety of other types of gelatin when used during pregnancy in medicinal amounts.

LACTATION: LIKELY SAFE
when used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using larger amounts of gelatin during lactation; avoid using.

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AMPHETAMINES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, inhaling eucalyptol may reduce the effectiveness of amphetamines.  Details Animal research suggests that inhaling eucalyptol may reduce the levels of amphetamines in the blood (48987).

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, eucalyptus leaf might increase the risk of hypoglycemia.  Details Animal research suggests that eucalyptus leaf might have hypoglycemic activity, and might have additive effects when used with antidiabetes drugs (12871).

CYTOCHROME P450 1A2 (CYP1A2) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, eucalyptus might increase the levels of CYP1A2 substrates.  Details In vitro research suggests that eucalyptus oil might inhibit CYP1A2, although this has not been reported in humans (12479).

CYTOCHROME P450 2C19 (CYP2C19) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, eucalyptus might increase the levels of CYP2C19 substrates.  Details In vitro research suggests that eucalyptus oil might inhibit CYP2C19, although this has not been reported in humans (12479).

CYTOCHROME P450 2C9 (CYP2C9) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, eucalyptus might increase the levels of CYP2C9 substrates.  Details In vitro research suggests that eucalyptus oil might inhibit CYP2C9, although this has not been reported in humans (12479).

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, eucalyptus might increase the levels of CYP3A4 substrates.  Details In vitro research suggests that eucalyptus oil might inhibit CYP3A4, although this has not been reported in humans (12479).

PENTOBARBITAL (Nembutal) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, inhaling eucalyptol might reduce the effectiveness of pentobarbital.  Details Animal research suggests that inhaling eucalyptol reduces the level of pentobarbital that reaches the brain (48987).

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General ...Orally, diluted eucalyptus oil is generally well tolerated, but the undiluted oil can cause toxicity.
Most Common Adverse Effects:
Orally: Diarrhea, nausea, vomiting.
Topically: Burning, itching, redness, stinging.
Serious Adverse Effects (Rare):
Orally: Signs of toxicity can occur with the undiluted oil at doses as low as 1 mL and include central nervous system depression, shallow respiration, rapid pulse, apnea, coma, and death.
Topically: Prolonged exposure or large amounts of eucalyptus oil can cause agitation, ataxia, drowsiness, muscle weakness, seizures, and slurred speech. The risk of toxicity may be greater in children.
Inhalation (as aromatherapy): Seizures.

Cardiovascular ...Orally, one case of premature ventricular contractions has been reported in a previously healthy 29-year-old male who ingested approximately one ounce of eucalyptus oil (48983).

Dermatologic ...Topically, eucalyptus pollen, leaves, oil, and the constituent eucalyptol can cause contact dermatitis in sensitive people (13303,48931,92856,92858,92859,98497). In some cases, symptoms respond to treatment with topical corticosteroids and tacrolimus (92856). In one case report, transient local redness, burning, and irritation was reported in a 4-year-old child who was bathed in water containing eucalyptus oil. The symptoms resolved within one hour of rinsing the skin with clear water (48983). In a clinical study, treatment with a combination of eucalyptus oil and lemon tea tree oil caused burning, redness, itching, or stinging in up to 20% of the patients. Stinging usually resolved within 10 minutes of application and redness within 30 minutes (19188,98492).

Gastrointestinal ...Orally, eucalyptus oil can cause nausea, vomiting, and diarrhea (48983,48993,48995). Abdominal pain has been reported in a trial of the eucalyptus constituent eucalyptol for inflammatory bowel disease (IBD) (48936).

Immunologic ...A case of IgE-mediated exacerbation of asthma and rhinitis symptoms has been reported in a patient who consumed eucalyptus. Similar worsening of symptoms occurred when the patient inhaled eucalyptus pollen (48957).
Occupational exposure to eucalyptus may cause allergic dermatitis (98497).

Neurologic/CNS ...Orally, eucalyptus oil can cause central nervous system depression, coma, and status epilepticus (12867,48946,48983).
Topically, orally, and by inhalation, eucalyptus oil has been associated with seizures. A systematic review describes the characteristics of 49 children and 61 adults with seizures associated with various routes of administration. Patients with no seizure history were classified as a eucalyptus oil-induced seizure (EOIS), while patients with a history of seizure or susceptibility to seizure were defined as a eucalyptus oil-provoked seizure (EOPS). In EOIS cases, topical use was reported in 74%, inhalation in 22.5%, and ingestion in 3.5%; for EOPS cases, topical use was reported in 79%, inhalation in 16%, and ingestion in 5%. Generalized tonic-clonic seizures are the most prominent type of seizure in EOIS cases (96%). Among EOPS patients, 37% had focal onset motor seizures with impaired awareness, 24% had focal onset aware motor seizures, 13% had focal to bilateral tonic-clonic seizures, and 26% had generalized onset tonic-clonic seizures (107494). One prospective observational study that was included in this systematic review provided additional details on eucalyptus-induced seizures. This study included 18 reports of EOIS and 28 reports of EOPS in adults and children after topical or inhaled use of eucalyptus oil, either alone or in combination with camphor. The time to seizure onset was 0.5-48 hours after topical application, 2-30 minutes after inhalation, and 0.5-6 hours after ingestion. (105028).
One prospective observational study and one case series have described 20 case reports of seizures occurring in children after ingestion of eucalyptus oil. Most of these seizures are generalized tonic-clonic in nature, occur 15-30 minutes after exposure, and do not reoccur following the discontinuation of eucalyptus oil. Seizures have been reported with both overdoses and therapeutic doses (107493,107495) and include cases of both EOIS and EOPS (107495). Additionally, children appear more likely to require intensive care and mechanical ventilation when compared with adult cases (107494).
A case of fever and headache has been reported in a patient who routinely applied a teaspoon of gel containing eucalyptus extract in his throat or nose to treat sore throat or rhinitis (48946).

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General ...Orally, gelatin seems to be well tolerated.
Most Common Adverse Effects:
Oral: Belching, bloating, and dyspepsia.
Serious Adverse Effects (Rare):
Injection: IgE-mediated allergic reactions, Kounis syndrome.

Gastrointestinal ...Orally, gelatin can cause unpleasant taste, sensation of heaviness in the stomach, bloating, dyspepsia, and belching (7704).

Immunologic ...Gelatin can cause allergic reactions. Gelatin in foods can cause initial sensitization (7703). Gelatin-containing medicines including oral medications, suppositories, vaccines, and injectable products can cause IgE-mediated allergic reactions, including urticaria, angioedema, wheezing, hypotension, and anaphylaxis (7708,7709,7710,97633,111345). In the US, gelatin is used as a stabilizer in some vaccines such as measles, mumps, and rubella (MMR), and diphtheria, pertussis, tetanus (DPT) (7711). In one case report, a 73-year-old male experienced anaphylactic symptoms within 10 minutes of receiving gelatin lysate as a plasma expander during a routine surgery. The patient proceeded to develop heart, respiratory, and kidney failure and died 76 days after receiving the gelatin infusion (97633). At least 12 case reports describe life-threatening anaphylaxis after administration of gelatin-containing hemostatic agents during surgery. In these cases, hypotension, tachycardia, and increased airway pressure occurred shortly after injection of the agent into the pedicle tract (111345).
There are at least two cases of Kounis syndrome, an acute coronary syndrome related to a massive mast cell activation, after the use of a gelatin infusion during general anesthesia. In one case, immediate symptoms included bradycardia and hypotension, followed by myocardial ischemia and coronary vasospasm (97631).

Other ...Since gelatin is sometimes produced from bovine bones and skin, there is some concern about the potential risk of contamination with diseased animals and transmission of bovine spongiform encephalopathy (BSE, mad cow disease) and other diseases (1825). So far, there are no reports of BSE or other disease transmission to humans from gelatin products.

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