Parsley 500 mg by Dr. Clark Store

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Abortion. Although there has been interest in using oral parsley to induce abortion, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Constipation. Although there has been interest in using oral parsley for constipation, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Diabetes. Although there has been interest in using oral parsley for diabetes, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Dry skin. Although there has been interest in using topical parsley for dry skin, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Dyspepsia. Although there has been interest in using oral parsley for dyspepsia, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Hypertension. Although there has been interest in using oral parsley for hypertension, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Insect bite. Although there has been interest in using topical parsley for insect bites, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Kidney stones (nephrolithiasis). Although there has been interest in using oral parsley for kidney stones, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Melasma. It is unclear if topical parsley is beneficial for melasma. Details: A small clinical study in adults with melasma shows that applying a brewed parsley water to the face with a cotton ball on 6 days of each week for 8 weeks is as effective as hydroquinone 4% cream for improving dark spots (96828).
• Nonmelanoma skin cancer. Although there has been interest in using topical parsley to prevent nonmelanoma skin cancer, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Osteoarthritis. Although there has been interest in using oral parsley for osteoarthritis, there is insufficient reliable information about the clinical effects of parsley for this purpose.
• Urinary tract infections (UTIs). Although there has been interest in using oral parsley for UTIs, there is insufficient reliable information about the clinical effects of parsley for this purpose. More evidence is needed to rate parsley for these uses.

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

POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, short-term (12,13173).

LIKELY UNSAFE ...when used orally in very large doses e., 200 grams). Parsley oil contains significant amounts of the potentially toxic constituents, apiole and myristicin (11). Apiole can cause blood dyscrasias, kidney toxicity, and liver toxicity; myristicin can cause giddiness and hallucinations (4). ...when parsley seed oil is used topically. Applying parsley seed oil to the skin can cause photodermatitis upon sun exposure (4). There is insufficient reliable information available about the safety of the topical use of parsley leaf and root.

PREGNANCY: LIKELY UNSAFE
when used orally in medicinal amounts. Parsley has been used orally as an abortifacient and to stimulate menstrual flow (4,12,515,19104,92873). Population evidence suggests that maternal intake of An-Tai-Yin, an herbal combination product containing parsley and dong quai, during the first trimester increases the risk of congenital malformations of the musculoskeletal system, connective tissue, and eyes (15129).

LACTATION:
Insufficient reliable information available; avoid using.

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, parsley might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.  Details Animal research suggests that parsley has antiplatelet effects (68209).

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, parsley might increase the risk of hypoglycemia when taken with antidiabetes drugs.  Details Animal research suggests that parsley might decrease blood glucose (13174,68131,68153,68162). Monitor blood glucose levels closely. Dose adjustments might be necessary.

ASPIRIN Interaction Rating = Minor Be watchful with this combination. Severity = Moderate •  Occurrence = Unlikely •  Level of Evidence = D Theoretically, aspirin might increase the severity of allergic reactions to parsley.  Details In one case, severe urticaria and swelling were reported after taking aspirin with parsley in an individual with a known mild parsley allergy (5054).

CYTOCHROME P450 1A2 (CYP1A2) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, parsley might increase serum levels of CYP1A2 substrates.  Details Laboratory research suggests that parsley can inhibit CYP1A2 (68176).

DIURETIC DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, parsley might enhance or interfere with the effects of diuretic drugs.  Details Animal research suggests that parsley seed extract increases urine elimination (68119). Parsley leaf and root might also interfere with diuretic therapy due their purported aquaretic effects (512).

PENTOBARBITAL (Nembutal) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, parsley might increase the duration of pentobarbital effects.  Details Animal research suggests that parsley juice prolongs the action of pentobarbital, perhaps by decreasing cytochrome P450 levels (25362). It is not known if this occurs in humans or if this applies to other barbiturates or sedatives.

SIROLIMUS (Rapamune) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, large quantities of parsley might increase sirolimus levels.  Details In one case report, an adult female with a history of kidney transplant presented with elevated blood sirolimus levels, approximately 4-7 times greater than previous measures, after daily consumption of a juice containing approximately 30 grams of parsley for 7 days. Sirolimus levels returned to normal a week after the parsley juice was discontinued (106010).

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, large amounts of parsley leaf and root might decrease the effects of warfarin.  Details Parlsey contains vitamin K (19).

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General ...Orally, parsley seems to be well tolerated when used low to moderate doses. Large doses may be unsafe.
Serious Adverse Effects (Rare):
Orally, Hallucinations, hemolytic anemia, hypotension, hepatic impairment, kidney impairment, nephrotic syndrome, paralysis, and thrombocytopenia purpura when taken in very high doses (200 grams parsley oil or 10 grams or more of parsley's apiole or myristicin constituents).

Cardiovascular ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with myristicin include hypotension and bradycardia (4).

Dermatologic ...Orally, parsley oil can cause contact photodermatitis with sun exposure (4).
Topically, parsley can cause contact photodermatitis (4).

Hematologic ...Parsley contains the potentially toxic constituent apiole, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include hemolytic anemia and thrombocytopenia purpura (4).

Hepatic ...Parsley contains the potentially toxic constituents, apiole and myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include hepatic dysfunction (4). Adverse effects specifically associated with the constituent myristicin include fatty degeneration of the liver (4).

Immunologic ...A case of anaphylaxis involving severe angioedema leading to unconsciousness has been reported in a woman who consumed parsley 45 minutes prior to symptoms. The patient responded to epinephrine, antihistamines, intravenous fluids, oxygen therapy, and 1 mg/kg methylprednisolone. The woman had consumed one cup of chopped parsley nearly every day for several years, but upon skin testing, the patient tested positive to parsley (92869). There is also a report of lip angioedema after consumption of raw parsley. The patient had anaphylaxis to raw arugula, and reported itchy red lesions after contact with the leaves of either raw parsley or arugula. The patient had positive skin prick tests to both plants. The reaction may have been due to oral allergy syndrome, as the patient could tolerate cooked arugula and parsley, but not raw (92870).

Ocular/Otic ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). An adverse effect specifically associated with the constituent myristicin includes deafness (4).

Psychiatric ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with the constituent myristicin include giddiness and hallucinations (4).

Renal ...Parsley contains the potentially toxic constituents, apiole and myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include nephrosis and kidney irritation (4). Adverse effects specifically associated with the constituent myristicin include fatty degeneration of the kidneys (4).

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