 [ Symptoms ] spot in genital area ive had fordyce spots for as long as i can remember on penis there was a spot on the upper shaft that seemed possibly larger than normal but still looked like a fordyce spot i attempted popping it and a small white substance came out sort of like after popping a pimple it wasnt stringy though just like a white formed substance theres been no irritation or redness bump is still there but not as raised [ Disease ] you may be having gerd   gastro esophageal reflux disease what you may be tasting is regurgitated stomach acid and whatever you had to eat or drink before going to bed this problem can be treated but you must first be properly diagnosed there are over the counter medicines that can block some of this acid reflux that you can try your pharmacist can help you select an appropriate medication until you can see your medical provider