The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Sleepiness (42%)
- Headache (16%)
- Weakness (11%)
- Slow muscle movement (8%)
- Nervousness (8%)
- Dizziness (7%)
- General discomfort (5%)
Less Common Side Effects
- Pain
- Poor coordination
- Muscle stiffness
- Confusion
- Depression
- Abnormal thoughts
- Abnormal dreams
- Nausea
- Indigestion
- Itchiness
- Cold symptoms
Estazolam serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Slowed brain activity: excessive sleepiness, confusion, coma
- Trouble breathing: shallow breaths, tiredness, slow breaths
- Dangerous sleep behaviors: sleepwalking, sleep driving, or doing any activity while not being fully alert
- Serious allergic reaction: itchy, red rash (hives), shortness of breath, chest tightness, throat closing, nausea, vomiting, swelling of lips, tongue, face, or eyes
- Suicidal thoughts and behavior
Source: DailyMed
More on Estazolam side effects

The following Estazolam side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common
Absence of or decrease in body movement
clumsiness or unsteadiness
dizziness
sleepiness or unusual drowsiness
Less common
false beliefs that cannot be changed by facts
headache
mood or mental changes
poor insight and judgment
problems with memory or speech
tiredness
trouble thinking and planning
trouble walking
Rare
Aggressive or angry
blood in the urine
bloody nose
bloody, black, or tarry stools
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
chest pain or tightness
chills
crying
decrease in the amount of urine
decreased awareness or responsiveness
decreased reflexes
deep or fast breathing with dizziness
difficult urination
dryness or soreness of throat
dysphoria
fainting
false or unusual sense of well-being
fast, irregular, pounding, or racing heartbeat or pulse
fear or nervousness
feeling of unreality
feeling of warmth
frequent strong or increased urge to urinate
hoarseness
increased urge to urinate during the night
irritability
lack of feeling or emotion
loss of bladder control
loss of memory
mouth sores or ulcers
muscle spasm or jerking of all extremities
noisy breathing
numbness of the feet, hands, and around mouth
paranoia
problems with memory
quick to react or overreact emotionally
rapidly changing moods
redness of the face, neck, arms, and occasionally, upper chest
restlessness
seeing, hearing, or feeling things that are not there
seizures
sense of detachment from self or body
severe sleepiness
severe stomach pain
shakiness and unsteady walk
shakiness in the legs, arms, hands, or feet
skin rash
sores, ulcers, or white spots on the lips or in the mouth
sudden loss of consciousness
swelling
swollen glands
swollen lymph nodes
trouble breathing
trouble in swallowing
trouble sleeping
uncaring
uncontrolled eye movements
unsteadiness, trembling, or other problems with muscle control or coordination
unusual bleeding or bruising
unusual tiredness or weakness
voice changes
waking to urinate at night
Incidence not known
Blistering, peeling, or loosening of the skin
fever with or without chills
general feeling of tiredness or weakness
joint or muscle pain
lower back or side pain
muscle cramps
red, irritated eyes
red skin lesions, often with a purple center
sweating
unable to sleep
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Change in consciousness
irregular, fast or slow, or shallow breathing
pale or blue lips, fingernails, or skin
slurred speech
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Lack or loss of strength
Less common
Pain in the legs or feet
Rare
Blemishes on the skin
bloated
blurred vision
burning feeling in the chest or stomach
change in color vision
change in taste bad unusual or unpleasant (after) taste
changes in vision, especially night blindness
continuing ringing or buzzing or other unexplained noise in the ears
cramping in the lower stomach, back, or legs
decreased interest in sexual intercourse
difficulty having a bowel movement (stool)
difficulty in moving
difficulty seeing at night
double vision
ear or eye pain
excess air or gas in stomach or intestines
full feeling
glare or snowy image caused by bright light
hearing loss
hives or welts
inability to have or keep an erection
increased or decreased appetite
increased sensitivity of eyes to sunlight
indigestion
loss in sexual ability, desire, drive, or performance
muscle pains or stiffness
pain in the arms, jaw, or neck
pain or tenderness around the eyes and cheekbones
pain, swelling, or redness in joints
passing gas
red, sore eyes
redness of the skin
seeing double
stomach upset or tenderness
stuffy or runny nose
swelling of the breasts
weight gain or loss
white or brownish vaginal discharge
Incidence not known
Increased sensitivity of skin to sunlight
redness or other discoloration of skin
severe sunburn
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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