It is not right to eat garlic in some cases. Let's know some reasons.

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Pregnant:
Garlic makes the body warm. Excessive garlic during pregnancy gives body temperature. Thereby, there is a possibility of miscarriage. Avoid those who have allergies in garlic.
Blood loss:

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reduces hemoglobin levels in the blood. So if you have an anemia problem, you can eliminate the consumption of garlic according to the doctor's advice.

Dysfunction:

Stay away from garlic and oil spicy foods that are susceptible to digestion.

Contraceptive pill:

If you have a regular pregnancy pills, refrain from eating excess garlic. Garlic reduces the effect of contraceptive pills.
Liver problem: If lever problems do not eat garlic good. Because garlic can increase your liver problem further.

Homeopathic medicines:

onion, garlic, homeopathic may damage the drug's effectiveness. So avoid taking garlic while homeopathic medicine courses are taken.

Low blood pressure:

If somebody has low blood pressure problems then it is better to consume less garlic. Garlic can also create problems by reducing blood pressure.