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.
Regular drip coffee usually contains about 85 mg of caffeine per eight-ounce cup, while the average cup of black tea contains about 50 mg and green tea 40-50 mg per serving. Want to know how decaf options compare? Read on after the break. Drink Amount of caffeine Average drip decaf coffee (16 oz.) 8.6-13.9 mg Folgers Instant Decaf (16 oz.) None Starbucks grande decaf latte (16 oz.) 6-32 mg Starbucks grande brewed decaf (16 oz.) 12-13.4 mg Decaf black tea (16 oz.) 4-20 mg Decaf green tea (one serving) 1-8 mg.