Usually, milk thistle causes few, if any, side effects. Studies show that it’s safe when taken for up to 41 months.
Milk thistle may cause diarrhea. More rarely, it may cause nausea, bloating, gas, and upset stomach.
Women who are breastfeeding or pregnant should avoid using milk thistle.
If you have a ragweed allergy, you should also avoid milk thistle. Milk thistle may cause a rash or lead to severe allergic reaction.
whyRwehere wrote:Can you take milk thistle with blood thinners(Sintrom)?
Milk thistle can interact with certain medications such as phenytoin, halothane fexofenadine (Allegra) and some cancer medications. Milk thistle can also interact with antipsychotic medications like haloperidol, chlorpromazine, fluphenazine and promethazine. This herb can also interact with certain anti-anxiety medication like alprazolam (Xanax), diazepam (Valium) and lorazepam (Ativan). Some blood thinner medication like clopidogrel (Plavix) and warfarin (Coumadin) can interact with milk thistle. Contact your physician before taking milk thistle if you are currently talking any of these medications.
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