While south Louisiana cleans and rebuilds from historic flooding, thousands will work themselves sick. 

They will wheeze from mold and dust exposure, poke themselves with old nails and scratch mosquito bites until they grow red and ugly.

To help flood-affected residents and helpful volunteers stay healthy, Baton Rouge-area doctors answered a few more common flood-related medical questions.

Do I need a tetanus shot?

After wading through floodwaters and demolishing soggy drywall, many south Louisiana residents have suffered cuts and puncture wounds from storm debris and old nails. Caused by a bacteria that enters the body through cuts, tetanus can cause painful muscle tightening and lockjaw, a serious medical condition. While tetanus should concern you, it's not common, said Dr. Parham Jaberi, assistant state health officer at the Louisiana Department of Health and Hospitals.

"The chances of getting it are small, but because we have a very effective vaccine that can prevent those complications, we encourage those who haven't had it in the last five years to consider it," Jaberi said.

New tetanus booster shots labeled Tdap can also vaccinate against whooping cough and diphtheria as well as tetanus. Jaberi recommends this for parents or guardians of young children, who are susceptible to whooping cough.

Most doctors offices and many pharmacies can provide tetanus boosters. Parish public health offices often give them at little or no cost.

Will mold or drywall dust make me sick?

Mold forms quickly after floodwaters recede, and once residents start mucking out their houses, dust coats every surface. These irritants can cause people with asthma and allergies to become ill, Jaberi said, and people with compromised immune systems know to avoid them. But they can bother people with strong immune systems, too, he said.

"All these are considered irritants," Jaberi said. "You can still have healthy people experiencing mild wheezing and some discomfort."

He recommends everyone demolishing soggy walls and floors to wear gloves, a mouth mask and eye protection. 

Should I see a doctor for my bug bite?

The widespread flooding left all kinds of critters looking for dry quarters. Insects and spiders may turn up inside houses, and mosquitoes will start hatching in standing water. Most bites don't require a doctor, Jaberi said, just an over-the-counter cream or antihistamine and a little willpower to resist itching. 

"If it looks pretty bad, then contact your local doctor or see your urgent care," he said.

Should I be more afraid of the Zika virus after the flooding?

The mosquito-borne Zika virus can cause birth defects, but in most adults it leads to fever, rash and joint pain. Mosquitoes with the virus have been found in south Florida. The federal Centers for Disease Control don't expect flooding to increase Louisiana's Zika risk.

However, the West Nile fever, another virus spread by mosquitoes, sickens Louisiana residents every year.  

Standing water can give mosquitoes a place to lay eggs, Jaberi said. Empty standing water outside and spread larvae killing substances in containers too large to pour out.

Can I ask my doctor for antibiotics just to make sure I stay healthy?

Doctors fear that overprescribing antibiotics could cause people to become resistant to these important drugs. Jaberi recommends medical professionals only give antibiotics to patients with a specific illness. After Hurricane Katrina, some New Orleans residents needed these medicines after contact with floodwaters. But the Baton Rouge area flood should not be as dangerous, said Dr. Kenny Cole, the lead physician at Baton Rouge General.

"Typically, wading through the water without a cut on the skin is reasonably safe," he said. "You're not going to get anything, a bacterial infection, unless you cut the skin and get a portal for the bacteria to enter."

How do I avoid overheating while demolishing my house?

Heat exhaustion and heatstroke can occur quickly in the extreme summers of Louisiana. If you feel cold, weak or tired — early signs of heat exhaustion — then rest in the shade and drink plenty of water. Serious heat exhaustion can cause fainting and lead to heatstroke, where the body temperature rises to 103 degrees and your pulse beats rapidly.

"That is definitely something that deserves a 911 call," Jaberi said.  

Follow Kyle Peveto on Twitter, @kylepeveto.