The third month of pregnancy is a critical period of fetal growth and development, if you use drugs indiscriminately, there is a possibility that the growth and development of the fetus will be deformed. The symptoms of a strong cough, try to use dietary therapy for treatment. This time you can eat garlic rock candy water to treat, take 30 grams of garlic, 10 grams of rock candy add two large bowls of water, put the water in the pot to boil for about 20 minutes, after the two bowls of water into a bowl of water, this time to drink it while it is still hot, for the treatment of cough effect is very good. Because garlic has sterilization and disinfection, can be anti-inflammatory, but also has the effect of cough and phlegm, for the treatment of cough effect is very good, and there are no side effects, very suitable for pregnant women to take. If the cough is strong, then take garlic ice sugar water can be taken 3 times a day, if still can not be relieved, you need to go to the hospital to do a blood test to see if there is a bacterial infection. If there is a bacterial infection, there is no penicillin allergy, you can intravenous drip penicillin for treatment.