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
Shakiness in the legs, arms, hands, or feet
trembling or shaking of the hands or feet
Less common
Fast, irregular, pounding, or racing heartbeat or pulse
Rare
Cough
difficulty breathing
difficulty with swallowing
hives or welts
hoarseness
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
noisy breathing
redness of the skin
shortness of breath
skin rash
slow or irregular breathing
swelling of the mouth or throat
tightness in the chest
wheezing
Incidence not known
Agitation
anxiety
arm, back, or jaw pain
blurred vision
chest pain or discomfort
confusion
convulsions
extra heartbeats
fainting
hallucinations
headache
irritability
lightheadedness
mood or mental changes
muscle pain or cramps
muscle spasm or jerking of all extremities
nervousness
nightmares
pounding in the ears
restlessness
sudden loss of consciousness
sweating
total body jerking
unusual feeling of excitement
vomiting
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:
Less common
Dizziness
feeling of warmth
irritability
nausea
redness of the face, neck, arms, and occasionally, upper chest
sleeplessness
trouble with holding or releasing urine
trouble sleeping
unable to sleep
Rare
Sleepiness
unusual drowsiness
Incidence not known
Bad, unusual, or unpleasant (after) taste
change in taste
feeling of constant movement of self or surroundings
gagging
rough, scratchy sound to voice
sensation of spinning
tightness in the throat
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.
 Ventolin side effects (more detail)
