Texas-bound Hurricane Harvey also threatens to wreak havoc in southeast Louisiana, where an official says survivors of Katrina 12 years ago could suffer post-traumatic stress disorder.

“Not only for us but for our friends in the Baton Rouge area, who experienced catastrophic weather barely a year ago, a storm threat like this one can trigger PTSD and related feelings,” said St. Tammany Parish Coroner Charles Preston, the Times-Picayune of New Orleans reported.

“This is not to be taken lightly,” he said in a news release.

Anyone bracing for a hurricane is susceptible to stress as they make sure gas tanks are filled and food pantries are stocked — but the anxiety is magnified for those with PTSD, he said.

“Hyper-vigilance, excessive fear or anxiety, denial, bursts of rage and even self-isolation can all be symptoms of PTSD,” Preston said. “If you’re feeling it, that’s OK. It’s normal.”

Those who suffer from it should seek help from relatives, a clergy person or a counselor, he said.

“In no case should someone with these feelings or symptoms feel ‘crazy’ or alone. It’s normal, it’s treatable, and it’s OK to talk about it,” he added.

The New Orleans area could see 4 to 6 inches of rain through next week from Harvey — much less than the 35 inches forecast over parts of Texas.

But extended news coverage of the storm could trigger PTSD, Preston warned.

Katrina killed more than 1,800 people and caused widespread flooding in August 2005.