Marshmallow root is unlikely to cause side effects when a person uses it properly. Most research has shown that people have a very low risk of adverse reactions. However, in rare instances, people ...

Marshmallow root has no officially reported side effects besides rare allergic reactions. However, anecdotal reports show taking the supplement may cause upset stomach and dizziness.

Dealing with a constant cough can be downright miserable—especially if it’s at night when you’re trying to sleep. Even after ...

Side Effects and Drug Interactions From Marshmallow Root Marshmallow root is generally considered safe for use and is well tolerated in adults, with rare reports of allergic reactions. However, it ...

Marshmallow root (Althaea officinalis) may offer health benefits such as easing coughs and colds, relieving skin irritation, alleviating pain, and more. However, more research is necessary ...