Hi there and welcome. Well, my own sons have a gag reflex that gets a work out when they have a cough. I do as well actually. I gag easily and often gag when coughing and sometimes do vomit. Ugh. No fun.
coughs are tough and can linger. A virus most likely caused the cough. Does your child have a runny nose, watery eyes still? Those are more like cold symptoms then a cough develops due to the nasal drainage and dripping of sinuses. Other viruses cause coughs. These coughs can linger for a month! At night and when a child exerts themselves doing something like running, it is usually worse. It eventually goes away.
However, some viruses turn into secondary infections. This is when something like an ear infection or bronchitis become the problem and a child can cough with either of these especially bronchitis. Often they'll have a fever with those too and a general worsening of symptoms. When this is the case, absolutely take your child to the doctor as they may need antibiotics to clear it up.
For a general cough, you can put your child in a steamy shower or just sit in a bathroom with hot water running to create steam, use a humidifier when sleeping, and I do occasionally use a cough medicine for kids along with a spoonful of honey.
When in doubt, check with your child's doctor though. The vomiting upon coughing isn't abnormal but if the persistent cough is worrying you, you can get it checked. good luck
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.