The sensation of post-nasal drip is not usually caused by an increased amount of mucus coming from your nose or sinuses, says Dr. Dolan. âIt is more likely to be caused by the mucus becoming too thick or by irritation of your throat. In my experience, the three most common causes are allergy, gastric reflux, and medications that cause dryness.â. Here are some other common conditions that may cause post-nasal drip: 1  Cold or flu viruses. 2  Sinus infection.
Caffeine was isolated from the coffee samples and measured by gas chromatography. Every serving but one - instant decaffeinated Folgers Coffee Crystals - contained caffeine, ranging from 8.6 milligrams to 13.9 milligrams. In comparison, an 8-ounce cup of drip-brewed coffee typically contains 85 milligrams of caffeine.
Caffeine in Coffee. The caffeine content in your average cup of coffee is around 100mg. Decaffeinated coffee isn't actually caffeine-free, and can contain up to 12mg of caffeine.If you're always in a rush, then instant coffee might be your thing.You can expect anywhere up to 170mg of caffeine per cup.ecaffeinated coffee isn't actually caffeine-free, and can contain up to 12mg of caffeine. If you're always in a rush, then instant coffee might be your thing. You can expect anywhere up to 170mg of caffeine per cup.