XANAX 0.5mg (alprazolam) is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). Alprazolam affects chemicals in the brain that may be unbalanced in people with anxiety.

XANAX 0.5mg is used to treat anxiety disorders, panic disorders, and anxiety caused by depression.

XANAX 0.5mg may also be used for purposes not listed in this medication guide.

Important information
You should not use XANAX 0.5mg if you have narrow-angle glaucoma, if you also take itraconazole or ketoconazole, or if you are allergic to XANAX 0.5mg or similar medicines (Valium, Ativan, Tranxene, and others).

For the Consumer of XANAX 0.5mg

Applies to alprazolam: oral solution, oral tablet, oral tablet disintegrating, oral tablet extended release

In addition to its needed effects, some unwanted effects may be caused by XANAX 0.5mg. In the event that any of these side effects do occur, they may require medical attention.

Major Side Effects of XANAX 0.5mg

You should check with your doctor immediately if any of these side effects occur when taking XANAX 0.5mg:

More common:

Being forgetful
changes in patterns and rhythms of speech
clumsiness or unsteadiness
difficulty with coordination
discouragement
drowsiness
feeling sad or empty
irritability
lack of appetite
lightheadedness
loss of interest or pleasure
relaxed and calm
shakiness and unsteady walk
sleepiness or unusual drowsiness
slurred speech
tiredness
trouble concentrating
trouble in speaking
trouble performing routine tasks
trouble sleeping
unsteadiness, trembling, or other problems with muscle control or coordination
unusual tiredness or weakness

Less common: about XANAX 0.5mg

Abdominal or stomach pain
blurred vision
body aches or pain
burning, crawling, itching, numbness, prickling, “pins and needles, or tingling feelings
changes in behavior
chills
clay-colored stools
confusion about identity, place, and time
cough
dark urine
decrease in frequency of urination
decrease in urine volume
diarrhea
difficult or labored breathing
difficulty in moving
difficulty in passing urine (dribbling)
difficulty with concentration
dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
dry mouth
ear congestion
environment seems unreal
fainting
fear or nervousness
feeling of unreality
feeling warm
fever
general feeling of discomfort or illness
headache
hyperventilation
inability to move eyes
inability to sit still
increased blinking or spasms of the eyelid
irregular heartbeats
itching
joint pain
lack or loss of self-control
loss of bladder control
loss of coordination
loss of memory
loss of voice
mood or mental changes
muscle aching or cramping
muscle pain or stiffness
muscle weakness
nasal congestion
nausea
need to keep moving
painful urination
problems with memory
rash
restlessness
runny nose
seeing, hearing, or feeling things that are not there
seizures
sense of detachment from self or body
shaking
shivering
shortness of breath
sneezing
sore throat
sticking out of the tongue
sweating
swollen joints
talkativeness
tightness in the chest
trouble in breathing, speaking, or swallowing
trouble with balance
twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
uncontrolled twisting movements of the neck, trunk, arms, or legs
unpleasant breath odor
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
unusual facial expressions
unusually deep sleep
unusually long duration of sleep
vomiting of blood
wheezing
yellow eyes or skin

Rare

Actions that are out of control
attack, assault, or force
chest pain
continuing ringing or buzzing or other unexplained noise in ears
decreased awareness or responsiveness
deep or fast breathing with dizziness
ear pain
false or unusual sense of well-being
fast, irregular, pounding, or racing heartbeat or pulse
feeling jittery
feeling unusually cold
generalized slowing of mental and physical activity
hearing loss
hoarseness
lack of feeling or emotion
loss of control of the legs
loss of strength or energy
nightmares
numbness of the feet, hands, and around mouth
severe sleepiness
shakiness in the legs, arms, hands, or feet
sleep talking
sleeplessness
swelling
talking, feeling, and acting with excitement
thoughts of killing oneself
unable to sleep
uncaring
unusual weak feeling
voice changes

Incidence not known:

General tiredness and weakness
light-colored stools
stomach pain, continuing
upper right abdominal pain

Minor Side Effects

Some of the side effects that can occur with alprazolam may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

More common: