How to Control Black Spot Fungus Disease on Roses. The signs of black spot fungus on roses are hard to miss. Black spot (blackspot) is one of the most common diseases of rose bushes; and, if left unchecked, it can cause quite a bit of damage to your rose garden. Caused by the fungus Diplocarpon rosae, black spot begins just as its name suggests, with black spots showing up on the surface of the leaves.
1 Swallowing disorders (may result in actual post-nasal drip or just cause the sensation of having it) 2  Strep throat (post-nasal drip is an uncommon strep throat symptom, but it can occur)  Pregnancy and other conditions that cause fluctuation of hormone levels.
10 Reasons You Have a Runny Nose. Sniff, blow, wipeâ¦sniff, blow, wipeâ¦It's the seemingly endless cycle of a runny nose. It's quite common, yet highly annoying -- a runny nose. Your nose drips when your nasal tissues and blood vessels produce excess fluid or mucus, according to the Mayo Clinic. This excess fluid also runs down the back of your throat in the dreaded post-nasal drip. Sometimes you'll have nasal congestion along with your runny nose, but not always. Dozens of things can cause your nose to run, from a variety of allergies and illnesses to more serious conditions like a deviated septum. Certain medications, stress and even pregnancy can also cause a runny nose.