Abstral Sublingual Tablet and K-vescent

• Generic Name: fentanyl
• Dosage Forms: sublingual tablet
• Other Brand Names: Abstral, Fentora, Subsys, Actiq, Duragesic, Ionsys, Lazanda, Onsolis, Sublimaze

Abstral (fentanyl) is an opioid pain medication. An opioid is sometimes called a narcotic.

Abstral sublingual tablets are used to treat "breakthrough" cancer pain that is not controlled by other medicines.

The sublingual tablet is placed on the floor of the mouth under your tongue (sublingual) and allowed to dissolve.

Abstral is not for treating pain that is not cancer-related.

• Generic Name: potassium bicarbonate
• Dosage Forms: tablet, effervescent
• Other Brand Names: Effervescent Potassium, K-Effervescent, K-vescent, K-vescent, K+Care ET, Klor-Con/EF, Effer-K, Quick-K

Potassium is a mineral that is found naturally in foods and is necessary for many normal functions of your body, especially the beating of your heart.

K-vescent is used to prevent or to treat a potassium deficiency (hypokalemia).

K-vescent may also be used for other purposes not listed in this medication guide.