(ay boh bot' yoo li num tox' in A)
AbobotulinumtoxinA injection may spread from the area of injection and cause symptoms of botulism, including severe or life-threatening difficulty breathing or swallowing. People who develop difficulty swallowing during their treatment with this medication may continue to have this difficulty for several weeks, may need to be fed through a feeding tube, and may breathe food or drink into their lungs. Symptoms can occur within hours of an injection with abobotulinumtoxinA or as late as several weeks after treatment. Symptoms may occur in people of any age being treated for any condition, but the risk is probably highest in children being treated for abnormal muscle tightening. Tell your doctor if you have or have ever had any swallowing problems or breathing problems, such as asthma or emphysema, or any condition that affects your muscles or nerves such as amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease; condition in which the nerves that control muscle movement slowly die, causing the muscles to shrink and weaken), motor neuropathy (condition in which the muscles weaken over time), myasthenia gravis (condition that causes certain muscles to weaken, especially after activity), or Lambert-Eaton syndrome (condition that causes muscle weakness that may improve with activity). If you experience any of the following symptoms, call your doctor immediately: loss of strength or muscle weakness all over the body; double or blurred vision; drooping eyelids; difficulty swallowing, breathing, or speaking; or inability to control urination.
Your doctor will give you the manufacturer's patient information sheet (Medication Guide) when you begin treatment with abobotulinumtoxinA injection and each time you receive treatment. Read the information carefully and ask your doctor or pharmacist if you have any questions. You can also visit the Food and Drug Administration (FDA) website (http://www.fda.gov/Drugs/DrugSafety/ucm085729.htm) or the manufacturer's website to obtain the Medication Guide.
WHY is this medicine prescribed?
AbobotulinumtoxinA injection is used to relieve the symptoms of cervical dystonia (spasmodic torticollis; uncontrollable tightening of the neck muscles that may cause neck pain and abnormal head positions). AbobotulinumtoxinA injection is also used to temporarily smooth frown lines (wrinkles between the eyebrows). AbobotulinumtoxinA injection is in a class of medications called neurotoxins. It works by blocking the nerve signals that cause uncontrollable tightening and movement of the muscles.
HOW should this medicine be used?
AbobotulinumtoxinA injection comes as a powder to be mixed with a liquid and injected into affected muscles by a doctor. Your doctor will choose the best place to inject the medication in order to treat your condition. You may receive additional injections of abobotulinumtoxinA every 3 to 4 months, depending on your condition and how long the effects of the treatment last.
If you are receiving abobotulinumtoxinA injection for cervical dystonia, your doctor will probably start you on a low dose and gradually change your dose according to your response to the medication.
One brand or type of botulinum toxin cannot be substituted for another.
AbobotulinumtoxinA injection may help control your condition but will not cure it. If you are using abobotulinumtoxinA to treat cervical dystonia, it may take 2 weeks or longer before you feel the full benefit of abobotulinumtoxinA injection.
Are there OTHER USES for this medicine?
Botulinum toxin products similar to abobotulinumtoxinA injection have been used to treat other conditions in which abnormal muscle tightening causes pain, abnormal or restricted movements, or other symptoms. These products are also sometimes used to treat excessive sweating, many types of facial wrinkles, anal fissures, and to prevent headaches in patients with chronic migraine or other types of headache.
What SPECIAL PRECAUTIONS should I follow?
Before receiving abobotulinumtoxinA injection,
- tell your doctor and pharmacist if you are allergic to abobotulinumtoxinA, incobotulinumtoxinA (Xeomin), onabotulinumtoxinA (Botox), rimabotulinumtoxinB (Myobloc), any other medications, cow's milk protein, or any of the ingredients in abobotulinumtoxinA injection. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
- tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: certain antibiotics such as amikacin, clindamycin (Cleocin), colistimethate (Coly-Mycin), gentamicin, kanamycin, lincomycin (Lincocin), neomycin (Neo-Fradin, Neo-Rx), polymyxin, streptomycin, and tobramycin (Tobi); cholinesterase inhibitors such as ambenonium (Mytelase), donepezil (Aricept), galantamine (Razadyne), neostigmine (Prostigmin), physostigmine, pyridostigmine (Mestinon, Regonol), rivastigmine (Exelon), and tacrine (Cognex); ipratropium (Atrovent); magnesium sulfate; medications for allergies, colds, irritable bowel disease, motion sickness, Parkinson's disease, sleep, ulcers, or urinary problems; muscle relaxants; and quinidine. Also tell your doctor if you have received injections of any botulinum toxin product in the past four months. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you have swelling or other signs of infection in the area where abobotulinumtoxinA will be injected. Your doctor will not inject the medication into an infected area.
- tell your doctor if you have ever had eye or face surgery; or any side effect from any botulinum toxin product and if you have or have ever had any changes in the way your face looks; bleeding problems; diabetes; or a slow or irregular heartbeat.
- if you will be receiving abotulinumtoxinA to treat wrinkles, your doctor will examine you to see if the medication is likely to work for you. AbotulinumtoxinA may not smooth your wrinkles or may cause other problems if you have drooping eyelids; trouble raising your eyebrows; excess skin on your eyelids; deeply scarred, thick, or oily skin; or if your wrinkles cannot be smoothed by spreading them apart with your fingers.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while receiving abobotulinumtoxinA injection, call your doctor.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are receiving abobotulinumtoxinA injection.
- you should know that abobotulinumtoxinA injection may cause loss of strength or muscle weakness all over the body; blurred vision; or drooping eyelids. If you have any of these symptoms, do not drive a car, operate machinery, or do other dangerous activities.
What SPECIAL DIETARY instructions should I follow?
Unless your doctor tells you otherwise, continue your normal diet.
What SIDE EFFECTS can this medicine cause?
AbobotulinumtoxinA injection may cause side effects. Ask your doctor which side effects you are most likely to experience since some side effects may be related to (or occur more often in) the part of the body where you received the injection. Tell your doctor if any of these symptoms are severe or do not go away:
- pain or tenderness in the place where you received the injection
- swelling of the inside of the nose and throat
- dry mouth
- neck, bone, or muscle pain
Some side effects can be serious. If you experience any of these symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately:
- vision changes
- eyelid swelling
AbobotulinumtoxinA injection may cause other side effects. Call your doctor if you have any unusual problems while receiving this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).
What should I do in case of OVERDOSE?
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose usually do not appear right after receiving the injection. If you received too much abobotulinumtoxinA or if you swallowed the medication, tell your doctor right away and also tell your doctor if you experience any of the following symptoms during the next several weeks:
- difficulty moving any part of your body
- difficulty breathing
What OTHER INFORMATION should I know?
Keep all appointments with your doctor.
Ask your pharmacist any questions you have about abobotulinumtoxinA injection.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Please note, not all procedures included in this resource library are available at Henry Ford Allegiance Health or performed by Henry Ford Allegiance Health physicians.
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This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.