Phlegm in the throat can eat crab, the nutritional value of crab is still very rich, can provide a variety of nutrients for the human body, but due to the crab is a cold food, try to eat as little as possible, if you do not pay attention to eat too much, it may cause diarrhea, abdominal pain. Try not to put chili when eating, but you can eat some ginger in moderation, can remove the cold of the crab. Most of the phlegm in the throat is caused by inflammation of the throat, eat some crab in moderation is generally no effect, at this time to drink more water, pay attention to light diet, if the symptoms are more serious can be used Pudilan anti-inflammatory granules, amoxicillin, or with roxithromycin and other drugs to treat. You can also take these drugs after eating crabs, there is no effect.