+ FREE GIFT ON ORDERS OF $200! Because Ashwagandha may help reduce stress and improve blood blow, its thought to have multiple heart-health benefits. Feverfew is a member of the daisy family. It is just a general precaution that ashwagandha may decrease blood sugar. Of course, theres more to the story that needs to be considered before adding a new supplement to your daily wellness routine. There aren't any specific antidiabetic drugs ashwagandha is known to interact with. Drugs.com. View abstract. 2019 Jan;35(Suppl 1):3-44. doi: 10.1007/s12055-019-00789-z. Enter other medications to view a detailed report. by | Jul 2, 2022 | orion construction group | how long can a frozen burrito sit out | Jul 2, 2022 | orion construction group | how long can a frozen burrito sit out In most cases, Ashwagandha has shown to have little to no risk of adverse effects. CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. Studies are inconclusive, but ashwagandha may have immune-stimulating properties. It is thought to help reduce stress which may help aid in weight loss efforts. All rights reserved. Begum, V. H. and Sadique, J. Examples of important medicines extracted from botanicals include reserpine, morphine, penicillin, and vinca alkaloid anti-cancer drugs. St. Johns Wort is a popular herbal supplement widely used to help with symptoms of depression. Lu, L., Liu, Y., Zhu, W., Shi, J., Liu, Y., Ling, W., and Kosten, T. R. Traditional medicine in the treatment of drug addiction. O'Connor J, Lindsay K, Baker C, Kirby J, Hutchins A, Harris M. The impact of ashwagandha on stress, sleep quality, and food cravings in college students: quantitative analysis of a double-blind randomized control trial. Caffeine capsules are easy to come by, and it's trivially easy to buy or package up ashwagandha powder in capsule form. There are over 180 drug interactions with garlic, but most are reported as minor. Sedatives: Since ashwagandha can both energize and induce restorative sleep, it might negate or amplify the effect of other sedative drugs, especially the benzodiazepines. You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood. View abstract. The FDA can and does seize and remove from the market tainted, contaminated, fraudulent or unsafe dietary supplements when they are aware of problems. Assessment of Withania somnifera root extract efficacy in patients with generalized anxiety disorder: A randomized double-blind placebo-controlled trial. Neurol India 2009;57:166-71. Find the best products with instant access to our latest tests & reviews of over 1,300 health products. Health Sci Rep 2022;5(4):e741. FREE SHIPPING ON ORDERS $75 AND UP! Although it is rare, some people experience a mushroom allergy. Front Pharmacol 2022;13:901710. Curr Clin Pharmacol. Dasgupta A, Tso G, Wells A. Comments will be approved before showing up. Sign up to be the first to knowabout sales, product additions, news & more! It is created by eHealthMe based on reports the from the FDA, and is updated regularly. View abstract. Use of yohimbine with an MAOI may lead to increased blood pressure. Efficacy and safety evaluation of ayurvedic treatment (ashwagandha powder and sidh makardhwaj) in rheumatoid arthritis patients: a pilot perspective study. 8-16-1995;95(1-2):189-193. Biochem.Biophys.Res Commun. Phytomedicine 2000;7(6):463-469. CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. PMC Apricot Kernel - Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate, Phenethylamine (pea) - Magnesium Hydroxide (otc Drug), Bitter Orange - Potassium Chloride (prescription Drug). Drug-induced hepatocellular injury due to herbal supplement ashwagandha. I suffer from depression, stress and anxiety but I Can I take Benadryl (Diphenhydramine) and Claritin (Loratadine) together? I want I have bad allerg Can a diabetic who is dehydrated take oral rehydration sachets? Does methotrexate interact with my other drugs? all maps fatal bullet; who is running for senate in maryland 2022 These statements have not been evaluated by the Food and Drug Administration. Medical Content Reviewed By HelloPharmacist Monitor your blood pressure closely.
This holds true for ashwagandha. The use of ginkgo extract dates back centuries in traditional Chinese medicine. It is also promoted for depression, premenstrual syndrome (PMS), menopause symptoms, and headaches. All information is observation-only. So truly speaking there may not any need of taking both ashw. Dr. Brian has been practicing pharmacy for over 13 years and has wide-ranging experiences in many different areas of the profession. Another way to take the two together is with capsules. Ven Murthy, M. R., Ranjekar, P. K., Ramassamy, C., and Deshpande, M. Scientific basis for the use of Indian ayurvedic medicinal plants in the treatment of neurodegenerative disorders: ashwagandha. I noticed that KSM66 was better for anxiety in my case. WE CANNOT DIAGNOSE YOU OVER THE INTERNET. Davis L, Kuttan G. Effect of Withania somnifera on cyclophosphamide-induced urotoxicity. 8 min read. Baker C, Kirby JB, O'Connor J, Lindsay KG, Hutchins A, Harris M. The perceived impact of ashwagandha on stress, sleep quality, energy, and mental clarity for college students: qualitative analysis of a double-blind randomized control trial.
Dextromethorphan Interactions - Drugs.com 2002 Sep 2;164(36):4161-5.
Join now to save favorites and get all member benefits, including over 1,300 reviews. You can look up your blood thinner at https://www.drugbank.ca/drugs/DB06228 (that's the page for Rivaroxaban / Xarelto but you can search for your blood thinner at the top right). Others mix 3 grams of ashwagandha powder in warm milk. All rights reserved. Can You Take A Z-Pak If You Have A Penicillin Allergy? Taking ashwagandha with thyroid hormone pills might cause too much thyroid hormone in the body, and increase the effects and side effects of thyroid hormone. Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. MAOIs are typically only used when other antidepressants have proven ineffective because they have a higher risk of drug interactions than standard antidepressants. Upadhaya L and et al. Mushroom tea is super simple. Personalize this study to your gender and age, Pramipexole Dihydrochloride and Abnormal Behavior, Rapamune and Left Ventricular Hypertrophy, Lantus Solostar and Vitamin E drug interaction, Gastroenteritis Pseudomonas and drugs of ingredients of prednisone. Nat.Prod.Res 2005;19(6):567-571. View abstract. Available for Android and iOS devices. 2022 Aug 23;17(8):e0271965. Cardiovasc Ther. In general, Ashwagandha is thought to be safe when used in moderate amounts. However, CoQ10 can have serious drug interactions. 1981;19(3):245-249. Potential interactions between alternatives therapies and warfarin. Effects of ashwagandha (Withania somnifera) on physical performance: systematic review and Bayesian meta-analysis. Hi, I was recommended to take ashwagandha. J Ethnopharmacol. Akhgarjand C, Asoudeh F, Bagheri A, et al. Interactions of clinical relevance associated with concurrent administration of prescription drug and food or medicinal plants: a systematic review protocol. Cranberries are a fruit chock full of vitamin C, and some people drink cranberry juice to help prevent urinary tract infections (UTI). ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Prog.Neuropsychopharmacol.Biol.Psychiatry 7-1-2008;32(5):1093-1105. J Ethnopharmacol 1991;33:91-5. Taking ashwagandha along with diabetes medications might cause blood sugar to drop too low. Symptoms of an allergic reaction to Ashwagandha may include: In some cases, herbal remedies can interact with certain medications, including other supplements and OTC and prescription drugs. Echinacea has been used to stimulate the immune system, and is most commonly used in the treatment of the common cold. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. Costache II, Miron A, Hncianu M, Aursulesei V, Costache AD, Aprotosoaie AC. Bonilla DA, Moreno Y, Gho C, Petro JL, Odriozola-Martnez A, Kreider RB. Therapy with yohimbine is generally not recommended in patients with hypertension, angina, or heart disease because it has a stimulatory effect and can lead to high blood pressure and a rapid heart rate.
Ashwagandha - Special Subjects - Merck Manuals Consumer Version fractured ending scene; harold bornstein obituary cause of death; can you play volleyball with a torn acl; gambar teguh sugianto. Always consult with your doctor or pharmacist to check for herbal and drug interactions with any medicines you take. It is often used in blood clots. View abstract. Chengappa KN, Bowie CR, Schlicht PJ, Fleet D, Brar JS, Jindal R. Randomized placebo-controlled adjunctive study of an extract of withania somnifera for cognitive dysfunction in bipolar disorder.
1993;31(7):607-611. It isn't known if ashwagandha will help people with cancer. This interaction may increase the risk of bleeding. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. View abstract. It may cause you to become sleepy or drowsy. p.46-62. All rights reserved. hydrochlorothiazide, spironolactone, chlorthalidone). Again, be sure to talk to your doctor about adding ashwagandha to immunosuppressant drugs. 2021 Nov 30;2021:8254344. Most importantly, what are the side effects of Ashwagandhato be aware of? ashwagandha and coumadin interactionmobile homes for rent in patterson, la. The effect of total alkaloids on the smooth muscles. eCollection 2019. Otherwise, side effects are both rare and mild and can usually be remediated by adjusting your dosing routine. However, the practical benefits and risks for people aren't clear yet. Vaishnavi, K., Saxena, N., Shah, N., Singh, R., Manjunath, K., Uthayakumar, M., Kanaujia, S. P., Kaul, S. C., Sekar, K., and Wadhwa, R. Differential activities of the two closely related withanolides, Withaferin A and Withanone: bioinformatics and experimental evidences. Kulkarni S. Progress in Neuro-Psychopharmacology and Biological Psychiatry, July 2008; vol 32: pp 1093-1105. Monitor your blood sugar closely. View abstract. Large doses can lead to an upset stomach, diarrhea, vomiting, and, in rare cases, liver problems. In a review article published in March 2014, 38 herbs were reviewed and were found to clinically interact with warfarin. View abstract.
Anyone take Ashwagandha for stress while on blood thinners? Many patients do not consider herbal products to be medications. 2000 Dec;34(12):1478-82. doi: 10.1345/aph.10031. Hsu SM, Lin HJ, Kao YW, Li TM, Shia BC, Huang ST. PLoS One. J Clin Lab Anal 2008;22:295-301. View abstract. Phytother.Res 2010;24(1):129-135. Call your doctor immediately if you have fever, joint pain, bleeding, skin rash or itch, appetite loss, fatigue, nausea/vomiting, stomach pain, dark colored urine, light colored stools, and/or yellowing of the skin/eyes; these may be signs of liver toxicity. View abstract. Be sure to let your doctor know if you plan on adding ashwagandha to your medication list so you can be appropriately monitored. Journal of Research in Ayurveda and Siddha 1980;1(2):247-258. In large amounts or when using a poor-quality formulation, Ashwagandha may cause some mild side effects, including: Although side effects are rare in general, nausea and diarrhea are the most common possible side effects of Ashwagandha. Ashwagandha side effects are rare and almost always mild. Ahumada F, Aspee F, Wikman G, and et al. These are somewhat complicated interactions that can lead to side effects or reduced effectiveness of your medicine, so always check with your pharmacist for drug interactions with herbal supplements. Some evidence suggests that Ashwagandha may help you sleep better at night, but daytime drowsiness may be an inconvenience for some people.
Herbal supplements and heart medicines may not mix View abstract. If you are considering the use of any supplement, always check with your doctor first. Staff. Learn about the different forms of vitamin K2 - MK-4 (synthetic) and MK-7 (natural, from natto). I was told that I had an allergic reaction to penicillin when I was a child. Sehgal, V. N., Verma, P., and Bhattacharya, S. N. Fixed-drug eruption caused by ashwagandha (Withania somnifera): a widely used Ayurvedic drug. Clot survivors is a support group for people who have survived blood clots. Talk to your doctor before using kava. Fertil Steril 2010;94:989-96. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version. Black cohosh is a shrub-like plant found in North America. Ashwagandha is an evergreen shrub that grows in Asia and Africa. Agarwal R, Diwanay S, Patki P, Patwardhan B. Save money by finding high-quality products at lower cost. Indian J Exp Biol. 1998;20(1):191-198. Many sources are quick to cover Ashwagandhas potential benefits, and rightfully somodern evidence suggest that the herbal remedy may be useful for managing anxiety, lowering pain and inflammation, and improving heart health. 2020;40(4):825-829.
Ashwagandha Side Effects + Drug Interactions - Vida Optima Interactions of warfarin with garlic, ginger, ginkgo, or ginseng: nature of the evidence. J Funct Morphol Kinesiol. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. CoQ10 is promoted may be effective for migraines, heart conditions like high blood pressure or heart failure, Parkinson's disease or macular degeneration, but you shuld only take CoQ10 for these conditions if recommedned by your health care provider. Chandrasekhar K, Kapoor J, Anishetty S. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Different individuals may respond to medication in different ways. **If you feel like you might have a medical emergency, then you should absolutely contact your doctor or go to your local ER/Urgent care.
Dasgupta A, Peterson A, Wells A, Actor JK. Federal government websites often end in .gov or .mil.
Ashwagandha Uses, Benefits & Side Effects - Drugs.com Prez-Gmez J, Villafaina S, Adsuar JC, Merellano-Navarro E, Collado-Mateo D. Effects of ashwagandha (Withania somnifera) on VO2max: A systematic review and meta-analysis. View abstract. Ashwagandha contains several active constituents including: The mechanism of how ashwagandha works, for all of its purported benefits, is not well understood. Thankfully, not all people experience this side effect, and taking Ashwagandha at night can help to manage these possible effects. If you take anti-seizure medications, check with your doctor before using evening primrose oil. Of the total drug interactions, 129 are major, 500 are moderate, and 16 are minor. Choudhary D, Bhattacharyya S, Joshi K. Body weight management in adults under chronic stress through treatment with ashwagandha root extract: a double-blind, randomized, placebo-controlled trial. Take extra care if you are at a high risk for infection. Nevertheless there is a theoretical risk for potentiation, since the herb is thought to be a coumarin constituent. J Altern Complement Med. A randomized, double blind, placebo controlled study to evaluate the effects of ashwagandha (Withania somnifera) extract on sleep quality in healthy adults. In order to do that, you need to be proactive in checking for possible drug interactions yourself in addition to asking your health care provider to screen for interactions. More are needed for more definitive results. An interaction impacts how a drug works and might increase or reduce the effects of the said medicine. ashwagandha and coumadin interaction. Side effects like respiratory distress, profound sedation, coma, and even death may occur. View abstract. Kaur, K., Rani, G., Widodo, N., Nagpal, A., Taira, K., Kaul, S. C., and Wadhwa, R. Evaluation of the anti-proliferative and anti-oxidative activities of leaf extract from in vivo and in vitro raised Ashwagandha. Ambiye VR, Langade D, Dongre S, Aptikar P, Kulkarni M, Dongre A. Safe For Diabetics? In addition, central nervous system side effects of kava such as dizziness and drowsiness may be increased by alcohol. official website and that any information you provide is encrypted April 25, 2022 But does "all-natural" mean they are always safe? Ginkgo has been promoted to be used for treating anxiety, dementia, circulation problems in the legs, premenstrual sydrome, certain vision problems, dizziness, or some movement disorders. Concerns Taking Wellbutrin For Panic Attacks, Questions About A High Dosage Of Amoxicillin For A Child With Strep Throat. PLoS One 2009;4:e6628. FOIA If on warfarin.don't take anything without Dr supervision. Jahanbakhsh SP, Manteghi AA, Emami SA, Mahyari S, et al. Dongre S, Langade D, Bhattacharyya S. Efficacy and safety of ashwagandha (withania somnifera) root extract in improving sexual function in women: a pilot study. Pharmacokinetic Interactions between Cardiovascular Medicines and Plant Products. 2017 Jan;22(1):96-106 View abstract. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. Ashwagandha can increase the activity of the immune system. There are many different origins of ginseng, and many types of. MeSH View abstract. The interactions between warfarin and medicinal herbs, not generally reported in previous reviews, are presented in our review. Minor inhibition was defined by INRs that did not require dosage changes. You should seek emergency medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with any of these medicines. Remenapp A, Coyle K, Orange T, et al. Liver Int. For your privacy, only your first name (from your account) followed by a random number will appear with your comment. Kelgane SB, Salve J, Sampara P, Debnath K. Efficacy and tolerability of ashwagandha root extract in the elderly for improvement of general well-being and sleep: A prospective, randomized, double-blind, placebo-controlled study. Dhuley, J. N. Therapeutic efficacy of Ashwagandha against experimental aspergillosis in mice. Note: This slideshow does not list all possible drug interactions with herbal products. Kuppurajan K, Rajagopalan SS, Sitoraman R, and et al. Always follow your doctor's directions. Medically reviewed by Leigh Ann Anderson, PharmD. Ireland PJ, Hardy T, Burt AD, Donnelly MC. Tohda, C. [Overcoming several neurodegenerative diseases by traditional medicines: the development of therapeutic medicines and unraveling pathophysiological mechanisms]. Products containing kava may cause liver problems, and taking them with alcohol can increase the risk. Mechanism of CoumadinHerbal Interactions. View abstract. Sud Khyati S, Thaker B. Today, many herbal supplements and nutraceuticals can be purchased over-the-counter (OTC) and may be labeled "all-natural". Dr. Dube is an advanced practice clinical pharmacist at the Anticoagulation Management Service at Brigham and Women's Hospital. Learn more about vitamin K, including info on interactions with blood thinners such as Coumadin and Jantoven, its effects on bones & impact on clotting. There are over 200 possible drug interactions with valerian, so a drug interaction screen is important when using this herb. Take extra care and check with your doctor if you have: Signs of a very bad reaction. Germany's Commission E, the authorities that evaluate the use of herbal products in Germany, has approved valerian as an effective mild sedative and it is used for insomnia. It seemed high to me too, when I asked for beta blockers, my doctor said he'd prescribe 40mg, to which I replied 'that seems a bit high, I read online that 10mg-20mg is effective for public speaking', but he just shook his head and said 'you wouldn't even be able to . Like easy bruising, bleeding gums, etc. However, prescription drugs broken down by certain liver enzymes may accumulate in the body and lead to toxicity if used with black cohosh. Despite these purported health benefits, there are some people who should not take ashwagandha. Advice from your health care provider is your best option in preventing serious health effects from any drug interaction. Mycelium vs Fruiting Body: Which Mushroom Supplements are the Best? Ashwagndhas potential drug interactions have only been evaluated on a limited basis, but experts assume that it may have adverse interactions with the following drugs based on the impact Ashwagandha may have on the body: No, Ashwagandha does not possess any qualities that cause it to be habit forming, and the risk of forming an addiction to Ashwagandha is little to none. Sharada, A. C., Solomon, F. E., Devi, P. U., Udupa, N., and Srinivasan, K. K. Antitumor and radiosensitizing effects of withaferin A on mouse Ehrlich ascites carcinoma in vivo. Supplements that may increase warfarin's blood-thinning effect (and consequently, the risk of abnormal bleeding) include: Supplements that may reduce warfarin's ability to thin the blood include: Join now to add comments and get all member benefits, including over 1,300 reviews. It is created by eHealthMe based on reports the from the FDA, and is updated regularly. Warfarinherbal interactions can be classified based on pharmacokinetics and pharmacodynamics.2 Pharmacokinetic interactions involve the processes by which warfarin is absorbed, distributed, metabolized, and excreted.2 Warfarin is metabolized by cytochrome P450 isoenzymes (CYPs), with CYP2C9 being responsible for the majority of the metabolism of the S-enantiomer of warfarin, which is more potent than the R-enantiomer.2 Herbal supplements that have an effect on CYP3A4 or CYP2C19 are also expected to affect the plasma concentration of warfarin.2 These supplements alter warfarin plasma concentration through the inhibition or induction of warfarin protein binding. Anbalagan K and Sadique J. Withania somnifera (ashwagandha), a rejuvenating herbal drug which controls alpha-2 macroglobulin synthesis during inflammation. Biomed Res Int 2015;2015:284154.View abstract. Your last name and email address will not be displayed. Answered by Dr. Brian Staiger, PharmD 2020;34(5):1041-1059. Phytotherapy Research 1989;3(5):201-206. 2019 Sep 2;2019:9402781. doi: 10.1155/2019/9402781. Be sure to check with your pharmacist or doctor if you use ginseng as an herbal supplement. For example. You can check other yohimbine interactions here. Ashwagandha may have additive effects to certain drugs that are used for diabetes, high blood pressure, and low thyroid hormone, to name a few. Accessibility
ashwagandha and coumadin interaction - masrurratib.com 9-1-2010;10(3):238-246. Ashwagandha might help lower blood sugar in people with type 2 diabetes and lower high cholesterol. Be sure to tell your doctor that you take this product if you are scheduled for surgery or tests. Syst Rev. View abstract. View abstract. Review on mechanisms and interactions in concomitant use of herbs and warfarin therapy. However, because melatonin causes drowsiness, its use should be avoided or used with extreme caution with alcohol and other sedating medicines, such as: Examples of other herbs that can also lead to drowsiness include 5-HTP, kava, and St. Johns Wort. We recommend checking outLucid Super Coffee. Visit our Top 9 Ways to Prevent a Deadly Drug Interaction slideshow and join the Drugs.com Herbal Support Group to ask questions about drug interactions, check on the latest medical news, and provide your honest feedback, too. ALL PRODUCTS ARE DERIVED FROM HEMP AND CONTAINS LESS THAN 0.3% 9THC IN ACCORDANCE WITH THE 2018 FARM BILL. 3 min read. View abstract. Careers. Therefore, it should be used cautiously with drugs used to treat diabetes, including: Just like with potential interactions between ashwagandha and diabetes drugs, there may be a potential issue with drugs used to treat high blood pressure as studies show ashwagandha mayhave blood-pressure-lowering effects. Indian J Med Res 2015 Jan;141(1):100-6.
Side Effects Of Ashwagandha: 5 Things To Be Aware Of - CureJoy We comply with the HONcode standard for trustworthy health information.
Indian J Exp Biol. Kamal HI, Patel K, Brdak A, Heffernan J, Ahmad N. Ashwagandha as a unique cause of thyrotoxicosis presenting with supraventricular tachycardia. Our phase IV clinical studies alone cannot establish cause-effect relationship. Evaluation of the efficacy of withania somnifera (ashwagandha) root extract in patients with obsessive-compulsive disorder: a randomized double-blind placebo-controlled trial. Drug interactions with ginger are not well documented; however, it is known to inhibit thromboxane synthetase, which can prolong bleeding time and may rarely cause interactions with anticoagulants like warfarin, aspirin, or other blood thinners.
ashwagandha and coumadin interaction - zumlife.com In some parts of the world, people eat ashwagandha shoots, seeds, and fruit. MAOIs can also have interactions with certain foods such as aged cheeses and cured meats. 2005;65(9):1239-82. doi: 10.2165/00003495-200565090-00005. Currently on week 5 20mg Prozac and 600mg ksm-66 ashwagandha daily. By clicking Subscribe, I agree to the WebMD, Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Smoking Pot Every Day Linked to Heart Risks, Artificial Sweetener Linked to Heart Risks, FDA Authorizes First At-Home Test for COVID and Flu, New Book: Take Control of Your Heart Disease Risk, MINOCA: The Heart Attack You Didnt See Coming, Health News and Information, Delivered to Your Inbox. Can you get ashwagandha naturally from foods? Acta Oncol. Is Zoloft Safe To Take With Boswellia And Turmeric? View abstract. View abstract. PLoS One 2021;16(9):e0257843. Some herbs also interact with warfarin by reducing vitamin K synthesis by gut flora or by affecting enzymes involved in the vitamin K cycle; thus, pharmacodynamics play a major role in herbal and warfarin interaction mechanisms.
Warfarin interaction with Matricaria chamomilla - PubMed