Question: Is it mold or mildew? Does it matter if it’s mold or mildew?
Answer: It does not matter if it's mold or mildew. Both mold and mildew are bad for your health. Both are fungi and need moisture to grow. They both cause migraines, joint pains, headaches, fatigue, congestion, skin, eye and throat irritation. Both should be removed as soon as you suspect an issue to prevent more damage to your home and your health.
What You Can Do
Hire a professional to remove the mold from your home, and learn how to prevent mold from growing back.
Educate yourself on the health affects of exposure to mold and mildew.