If you often experience tingling, redness, or blurred vision, it is best to reduce your garlic intake to avoid any complications.
Tip: If you have poor vision or chronic eye problems, talk to a healthcare professional before using it regularly.
People with diarrhea should avoid raw garlic.

Raw garlic is known to aid digestion and fight bacterial infections, but it can have the opposite effect in people with diarrhea. In cases of gastrointestinal disorders, such as cholera or food poisoning, garlic may further irritate the intestines and worsen symptoms by altering stomach acid.
