BOTOX® may cause serious side effects that can be life-threatening. Get medical help right away if you have any of these problems any time (hours to weeks) after injection of BOTOX®:
Problems swallowing, speaking or breathing due to weakening of associated muscles, can be severe and life-threatening. You are at the highest risk if you have a pre-existing medical history of similar health issues prior to BOTOX® injection. Swallowing problems may last for several months.
Spread of toxin may affect areas away from the injection site and cause serious symptoms, including: loss of strength and all-over muscle weakness, double vision, blurred vision and drooping eyelids, hoarseness or change or loss of voice, trouble saying words clearly, loss of bladder control, trouble breathing, trouble swallowing.
There has not been a confirmed serious case of spread of toxin effect away from the injection site when BOTOX® was used at the recommended dose to treat chronic migraine.
BOTOX® may cause loss of strength or general muscle weakness, vision problems, or dizziness within hours to weeks of taking BOTOX®. If you experience any of these symptoms, do not drive a car, operate machinery, or do other dangerous activities.
Do not take BOTOX® if you: are allergic to any of the ingredients in BOTOX® (see Medication Guide for ingredients); had an allergic reaction to any other botulinum toxin product such as Myobloc® (rimabotulinumtoxinB), Dysport® (abobotulinumtoxinA), or Xeomin® (incobotulinumtoxinA); have a skin infection at the planned injection site.
The dose of BOTOX® is not the same as, or comparable to, another botulinum toxin product:
Serious and/or immediate allergic reactions have been reported. They include itching, rash, red itchy welts, wheezing, asthma symptoms, or dizziness or feeling faint. Get medical help right away if you experience symptoms; further injection of BOTOX® should be discontinued.
Tell your doctor about all your muscle or nerve conditions such as ALS or Lou Gehrig’s disease, myasthenia gravis, or Lambert-Eaton syndrome, as you may be at increased risk of serious side effects including difficulty swallowing and difficulty breathing from typical doses of BOTOX®.
Tell your doctor about all of your medical conditions (past and present), including: bleeding problems; plans to have surgery; previous surgery on your face; weakness of forehead muscles; trouble raising your eyebrows; drooping eyelids; any other abnormal facial change; are pregnant or plan to become pregnant (it is not known if BOTOX® can harm your unborn baby); are breastfeeding or plan to (it is not known if BOTOX® passes into breast milk).
Tell your doctor about any medications you take, including prescription and non-prescription medicines, vitamins, and herbal products. Using BOTOX® certain other medicines may cause serious side effects. Do not start any new medicines until you have told your doctor that you have received BOTOX® in the past.
Tell your doctor if you have received any other botulinum toxin product in the last 4 months; have received injections of botulinum toxin such as Myobloc®, Dysport‘fi’, or Xeomin® in the past (tell your doctor exactly which product you received); have recently received an antibiotic by injection; take muscle relaxants; take an allergy or cold medicine; take a sleep medicine; take aspirin-Iike products or blood thinners.
Other side effects of BOTOX® include: dry mouth, discomfort or pain at the injection site, tiredness, headache, neck pain, and eye problems: double vision, blurred vision, decreased eyesight, drooping eyelids, swelling of your eyelids, and dry eyes.
For more information, please refer to the Medication Guide or talk with your doctor.
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.
BOTOX® is a prescription medicine that is injected to prevent headaches in adults with chronic migraine who have 15 or more days each month with headache lasting 4 or more hours each day in individuals aged 18 years or older.
It is not known whether BOTOX® is safe or effective to prevent headaches in patients with migraine who have 14 or fewer headache days each month (episodic migraine).
Please see BOTOX® full Product Information including Boxed Warning and Medication Guide.