Most people have no issues with ginger. Many use it to regulate digestion, ginger alleviates symptoms of arthritis, menstrual cramps ... In general, the recommended daily intake is 4 grams of ginger per day. Ground and dried ginger have up to 4 times greater effect.
Blood clotting
Those taking blood thinners should avoid ginger, as it has a similar effect. It is also advised to stay away from ginger if you have any blood-related issues.
High blood pressure
People on medications for high blood pressure should be cautious. Ginger further lowers blood pressure and may cause it to drop too low.
Gallstones
Ginger stimulates bile production, so it is not recommended for those with gallstones, as this can trigger an attack. On the other hand, some experts actually recommend ginger for this reason. It's best to consult with your doctor about this.
Pregnant women
Studies have shown that ginger can affect the development of the child, increasing the risk of miscarriage. Pregnant women who consume a lot of ginger during pregnancy usually give birth to babies with lower weight.