Question 1

How does lemongrass work as a digestive remedy?

Accepted Answer

Lemongrass contains citral, geraniol, and myrcene—volatile oils that act as antispasmodics on smooth muscle in the digestive tract. These compounds help relax intestinal spasms and reduce gas and bloating. The essential oils also stimulate digestive enzyme secretion and bile flow, improving overall digestion. Additionally, citral demonstrates antimicrobial activity against certain gut pathogens. Evidence Level: C (preliminary clinical evidence and traditional use).

Question 2

Does lemongrass interact with any medications?

Accepted Answer

Lemongrass has no well-documented drug interactions in clinical literature. However, due to its potential mild diuretic effects, it may theoretically enhance the effects of diuretic medications. The herb may also have mild sedative properties that could be additive with central nervous system depressants. Patients taking antidiabetic medications should monitor blood sugar, as lemongrass may have hypoglycemic effects. Evidence Level: C.

Question 3

How much lemongrass should I use for tea?

Accepted Answer

The standard adult dosage for lemongrass tea is 2-4 grams of dried herb or 2-3 fresh stalks steeped in hot water for 10-15 minutes. This can be consumed up to three times daily for digestive complaints or fever. For culinary and mild therapeutic use, one cup daily is generally sufficient. Store dried herb in airtight containers away from light to preserve volatile oil content. Evidence Level: Traditional use.

Question 4

Is lemongrass safe to consume during pregnancy?

Accepted Answer

Lemongrass is considered safe during pregnancy when consumed in normal culinary amounts, such as in food or occasional tea. However, large medicinal doses should be avoided, as the essential oils may stimulate uterine contractions. Pregnant women should limit intake to food-level quantities and avoid concentrated essential oil preparations. Those with allergies to grasses (Poaceae family) should avoid lemongrass entirely. Evidence Level: C.

Question 5

What are the main health benefits of lemongrass?

Accepted Answer

Lemongrass is traditionally used for digestive issues, fever reduction, and as an antimicrobial agent. The herb contains citral, which has demonstrated antibacterial and antifungal properties in laboratory studies. Traditional medicine systems in Thailand, Malaysia, and the Caribbean use it for stomach upset, headaches, and minor infections. It also functions as a natural insect repellent. Current evidence is preliminary (Level C), with most support from traditional use.

Question 6

What are the side effects of drinking lemongrass tea?

Accepted Answer

Lemongrass tea is generally well-tolerated when consumed in recommended amounts. Excessive consumption may cause gastrointestinal upset, including nausea, stomach discomfort, or diarrhea. Some individuals may experience allergic reactions, particularly those sensitive to grasses in the Poaceae family. Topical application of the essential oil may cause skin irritation in sensitive individuals. Discontinue use if adverse symptoms occur. Evidence Level: C.

Lemon Grass Whole

Sources & Citations

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources