No Doz Maximum Strength and Viekira Pak

• Generic Name: caffeine
• Dosage Forms: n.a.
• Other Brand Names: Cafcit, NoDoz, Vivarin

Caffeine tablets are used as an alertness aid to help you keep awake when you experience drowsiness or unusual tiredness or weakness. Do not use this medicine as substitute for sleep.

Caffeine oral solution is used to treat short-term apnea of prematurity when premature babies (infants between 28 and 32 weeks gestational age) stop breathing. Apnea of prematurity is caused by the baby's breathing centers not being fully developed.

This medicine is available with or without your doctor's prescription.

• Generic Name: dasabuvir / ombitasvir / paritaprevir / ritonavir
• Dosage Forms: tablets
• Other Brand Names: Viekira Pak, Viekira XR

Viekira Pak (Viekira) is a combination antiviral medicine used to treat chronic hepatitis C virus (HCV) in adults. Viekira is sometimes given in combination with another antiviral medicine called ribavirin.

Viekira treats specific genotypes of hepatitis C, and only in certain people. Use only the medications prescribed for you. Do not share your medicine with other people.

Viekira is sometimes used in people who also have HIV. Viekira Pak is not a treatment for HIV or AIDS.

Viekira may also be used for purposes not listed in this medication guide.