Dengue fever how many days

Symptoms range from mild to severe. These usually require hospitalization. There are currently no vaccines. The best method of prevention is to avoid mosquito bites. Dengue fever is rare in the United States U. Outbreaks have occurred in Texas, Florida, and Hawaii. Symptoms usually disappear after a week, and mild dengue rarely involves serious or fatal complications. At first, symptoms of DHF may be mild, but they gradually worsen within a few days.

As well as mild dengue symptoms, there may be signs of internal bleeding. Dengue is a virus, so there is no specific treatment or cure. However, intervention can help, depending on how severe the disease is.

Preventing dehydration : A high fever and vomiting can dehydrate the body. The person should drink clean water, ideally bottled rather than tap water. Rehydration salts can also help replace fluids and minerals. Painkillers, such as Tylenol or paracetamol : These can help lower fever and ease pain.

Non-steroidal anti-inflammatory drugs NSAIDs , such as aspirin or ibuprofen, are not advised, as they can increase the risk of internal bleeding. There are four dengue viruses DENV that cause dengue fever. Warning signs of severe dengue. Watch for signs and symptoms of severe dengue. Warning signs usually begin in the 24—48 hours after your fever has gone away.

Immediately go to a local clinic or emergency room if you or a family member has any of the following symptoms. When Should I Call a Doctor? How Is Dengue Fever Treated? If you live in or will be visiting an area where there's dengue fever: Use screens on doors and windows. Repair broken or damaged screens quickly.

Keep unscreened doors and windows shut. Wear long-sleeved shirts, long pants, shoes, and socks when you go outside. Use mosquito netting over your bed at night.

Use an insect repellent as directed. Choose one with DEET or oil of lemon eucalyptus. Limit the amount of time you spend outside during the day, especially in the hours around dawn and dusk, when mosquitoes are most active. Don't give mosquitoes places to breed. They lay their eggs in water. So get rid of standing water in things like wading pools and gutters.

And the number of clot-forming cells platelets in your bloodstream drops. This can lead to shock, internal bleeding, organ failure and even death.

Warning signs of severe dengue fever — which is a life-threatening emergency — can develop quickly. The warning signs usually begin the first day or two after your fever goes away, and may include:. Severe dengue fever is a life-threatening medical emergency. Seek immediate medical attention if you've recently visited an area in which dengue fever is known to occur, you have had a fever and you develop any of the warning signs.

Warning signs include severe stomach pain, vomiting, difficulty breathing, or blood in your nose, gums, vomit or stools. If you've been traveling recently and develop a fever and mild symptoms of dengue fever, call your doctor. Dengue fever is caused by any one of four types of dengue viruses. You can't get dengue fever from being around an infected person. Instead, dengue fever is spread through mosquito bites. The two types of mosquitoes that most often spread the dengue viruses are common both in and around human lodgings.

When a mosquito bites a person infected with a dengue virus, the virus enters the mosquito. Then, when the infected mosquito bites another person, the virus enters that person's bloodstream and causes an infection. After you've recovered from dengue fever, you have long-term immunity to the type of virus that infected you — but not to the other three dengue fever virus types. This means you can be infected again in the future by one of the other three virus types.

Your risk of developing severe dengue fever increases if you get dengue fever a second, third or fourth time.