Botox gained popularity and notoriety as a wrinkle reducer in the late 1990s and early 2000s. But it wasn’t long before researchers recognized the potential of Botox for treating medical conditions, too. Today it’s used to treat problems such as repetitive neck spasms, eye twitching, and overactive bladder. In 2010, the FDA approved Botox as a preventive treatment option for chronic migraines.
When pregnant rats received single intramuscular injections (1, 4, or 16 Units/kg) at three different periods of development (prior to implantation, implantation, or organogenesis), no adverse effects on fetal develop ment were observed. The developmental no-effect level for a single maternal dose in rats (16 Units/kg) is approximately 2 times the human dose of 400 Units, based on Units/k g.
Dr. Matarasso says hardly a week goes by when he doesn’t see a patient with a botched Botox job. Why? People are getting it done by unexperienced, often unlicensed, practitioners who don’t know the shape of the face and how to correctly administer the toxin. “I just had a patient come in the other day who went to an ER doctor, and one that went to a psychiatrist,” he says. “They [also] have these Botox parties and I have seen scarring, significant bruising, not only functional, but aesthetic complications.”
The correct way to inject Botox is to always customize the treatment plan to solve the aesthetic issues that bother the person. Some patients need only limited areas injected such as the vertical lines between their brows, their “crow’s feet” at the outer aspects of their eyelids, the “bunny” lines that radiate on the sides of their nose, vertical and horizontal lip lines and rarely patients request a correction of their “gummy” smile where their upper gums show when a person smile. Yes, you usually can pay for specific areas of treatment or by the number of units injected. But if you only want single line or area of your forehead injected you may not be satisfied with the results in the end. Why? -because when Botox or Dysport is injected it will weaken only the muscles that are treated, there may be muscles that were not treated that are pulling in an opposite direction that will produce undesirable results(an example of an undesirable effect occurs when treating just the glabella “11” lines between your eyebrows that may produce an overarched brow contour that resembles Mr. Spock.) Therefore, a complete treatment plan that includes all muscle groups should be treated to balance the pull and counter-pull of facial muscles.In addition, injections around the mouth must be performed by an experienced injector because there is the potential for the mouth to droop afterwards which can cause you to drool or may impact your ability to eat, pucker and smile. These adverse effect may last several weeks.
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The efficacy and safety of BOTOX for the treatment of primary axillary hyperhidrosis were evaluated in two randomized, multi center, double-blind, placebo-controlled studies. Study 1 included adult patients with persistent primary axillary hyperhidrosis who scored 3 or 4 on a Hyperhidrosis Disease Severity Scale (HDSS) and who produced at least 50 mg of sweat in each axilla at res t over 5 minutes. HDSS is a 4-point scale with 1 = “underarm sweating is never noticeable and never interferes with my daily activities”; to 4 = “underarm sweating is intolerable and always interferes with my daily activities”. A total of 322 patients were randomized in a 1:1:1 ratio to treatment in both axillae with either 50 Units of BOTOX, 75 Units of BOTOX, or placebo. Patients were evaluated at 4-week intervals. Patients who responded to the first injection were re-injected when they reported a re-increase in HDSS score to 3 or 4 and produced at least 50 mg sweat in each axilla by gravimetric measurement, but no sooner than 8 we eks after the initial injection.
The potency Units of BOTOX are specific to the preparation and assay method utilized. They are not interchangeable with other preparations of botulinum toxin products and, therefore, units of biological activity of BOTOX cannot be compared to nor converted into units of any other botulinum toxin products assessed with any other specific assay method [see DESCRIPTION].
This product contains albumin, a derivative of human blood. Based on effective donor screening and product manufacturing processes, it carries an extremely remote risk for transmission of viral diseases and variant Creutzfeldt-Jakob disease (vCJD). There is a theoretical risk for transmission of Creutzfeldt-Jakob disease (CJD), but if that risk actually exists, the risk of transmission would also be considered extremely remote. No cases of transmission of viral diseases, CJD or vCJD have ever been identified for licensed albumin or albumin contained in other licensed products.
Micropigmentation, or permanent makeup, is a procedure in which iron oxide pigment is injected into the dermis. This procedure can improve the appearance of thin eyebrows and lips and may be beneficial for those with makeup allergies. Swelling is common after the procedure. The patient may be instructed to apply ice and/or ointment to the treated area.
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The recommended dilution is 200 Units/4 mL or 100 Units/2 mL, with a final concentration of 5 Units per 0.1 mL (see Table 1). The recommended dose for treating chronic migraine is 155 Units ad ministered intramuscularly using a sterile 30-gauge, 0.5 inch needle as 0.1 mL (5 Units) injections per each site. Injections should be divided across 7 specific head/neck muscle areas as specified in the diagrams and Table 2 below. A one inch needle may be needed in the neck region for patients with thick neck muscles. With the exception of the procerus muscle, which should be injected at one site (midline), all muscles should be injected bilaterally with half the number of injection sites administered to the left, and half to the right side of the head and neck. The recommended re-treatment schedule is every 12 weeks.
"Botox is a toxin that is extracted from a certain bacteria. It's been used for a couple of hundred years in medicine. It was first used in neurological conditions rather than cosmetic ones. It was first approved to treat spasms of the face and eye muscles. Only later was it discovered coincidentally that it could world for cosmetic purposes, like wrinkles," he says.
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Onabotulinumtoxin A (trade name Botox) received FDA approval for treatment of chronic migraines on October 15, 2010. The toxin is injected into the head and neck to treat these chronic headaches. Approval followed evidence presented to the agency from two studies funded by Allergan showing a very slight improvement in incidence of chronic migraines for migraine sufferers undergoing the Botox treatment.
Just like any medical procedure the Botox treatment rarely comes with a few possible side-effects that are temporary. The frequency of complications generally decreases the more knowledge of facial anatomy that your injector possesses and the greater the experience of knowing where and how much to inject.That is not to say that complications can occur in anyones hands but the incidence decreases with greater experience.Allergic reactions to Botox or Dysport is exceedingly rare in my experience.
The safety and efficacy of onabotulinumtoxinA for CM was demonstrated in the pivotal phase III Research Evaluating Migraine Prophylaxis Therapy (PREEMPT) trial. In this trial, patients were treated every 12 weeks whether or not their headaches had returned to baseline levels and the primary outcome period was after two treatment cycles. At baseline, these patients had more than 19 headache days, and after two treatment cycles, their headaches had been reduced by 8 to 9 days per 28 days. The responder rate analysis of the study population shows that about 25% of patients improved by 75% in terms of a reduction of migraine days. In my practice, I usually do three cycles 12 weeks apart, and only if there is no change in headache frequency after this, do I change treatments. In the pivotal trials, the first statistical separation from placebo occurred in the first 4 weeks. There is a small subgroup of patients who fail to respond to the first two treatments and only start to respond after the third treatment.4-10
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A double-blind, placebo-controlled study enrolled patients who had extended histories of receiving and tolerating BOTOX injections, with prior individualized adjustment of dose. The mean BOTOX dose administered to patients in this study was 236 Units (25th to 75th percentile range of 198 Units to 300 Units). The BOTOX dose was divided among the affected muscles [see Clinical Studies].
In the case of Botox, doctors who experiment off-label say they do so because they're looking for better treatment options for their patients. "In my 30 years of medical practice, Botox is one of the most impactful treatments I had ever seen," says Dr. Linda Brubaker, dean and chief diversity officer of the Loyola University Chicago Stritch School of Medicine, who independently studied Botox for overactive bladder before the FDA approved it for that condition in 2013.
According to the PREEMPT injection paradigm, a total of 5 units of onabotulinumtoxinA is injected into each corrugator muscle. To confirm the location of the muscle, the patient is asked to furrow the brow in order to activate the corrugator. Once the muscle has been located, the muscle should be palpated and pinched by holding it between the thumb and index finger. Five units of onabotulinumtoxinA is injected at an approximate 90° angle with the bevel of the needle pointing upward into the medial belly of the muscle. As the needle is inserted, there is skin resistance, which lessens when the muscle is penetrated. This decrease in resistance is termed a muscle pop. Once the muscle pop occurs, inject into the superficial muscle. If the injection is too far superior or above the corrugator muscle, brow ptosis can occur due to depression of the medial brow as the frontalis elevating function is lost and the corrugator depressing function remains unopposed. Whereas weakening the corrugator muscle will cause elevation of the medial eyebrow, alternatively, if the corrugator injection is done too low, then diffusion to the levator palpebral muscle could lead to lid ptosis.
If the musculature of the oropharynx and esophagus are affected, aspiration may occur which may lead to development of aspira tion pneumonia. If the respiratory muscles become paralyzed or sufficiently weakened, intubation and assisted respiration may be necessary until recovery takes place. Supportive care could involve the need for a tracheostomy and/or prolonged mechanical ventilation, in addition to other general supportive care.
The drug has come a long way since its ability to smooth facial wrinkles was first discovered, by accident. In the 1970s, ophthalmologist Dr. Alan B. Scott started studying the toxin as a therapy for people with a medical condition that rendered them cross-eyed. "Some of these patients that would come would kind of joke and say, 'Oh, Doctor, I've come to get the lines out.' And I would laugh, but I really wasn't tuned in to the practical, and valuable, aspect of that," Scott told CBS in 2012. Scott named the drug Oculinum and formed a company of the same name in 1978. In 1989 he received FDA approval for the treatment of strabismus (the crossed-eye disorder) and abnormal eyelid spasms.