Medications

There are a number of oral (taken by mouth) prescription medications that may be used to manage certain types of excessive sweating. The medications work in a variety of ways to systemically (in your body's whole "system") limit sweating. They do this by helping to prevent the stimulation of sweat glands and thus decreasing overall sweating. 

 

It sounds simple: take a pill and stop sweating. But it's a bit more complex than that… To begin with, oral hyperhidrosis medications are best suited for patients with certain types of excessive sweating such as excessive facial sweating (cranio-facial hyperhidrosis), generalized hyperhidrosis, and those who have not had success using other first-line therapies such as clinical strength antiperspirants, iontophoresis, Botox, or a combination of these. People who have compensatory sweating from ETS surgery, sweat over a large body area (such as the back), need temporary relief from sweating every once in a while for a special event (such as a performance or presentation), or have excessive sweating secondary to a medication or medical condition may also find success with oral medications.

Anticholinergics

The most commonly used medications for managing excessive sweating are anticholinergics. These include medicines such as glycopyrrolate, oxybutynin, benztropine, propantheline, and others.

Many medical professionals and hyperhidrosis patients experience great success with anticholinergic therapy.¬†Anticholinergics have not, however, been studied in controlled clinical trials specifically for hyperhidrosis. Their FDA approval is, on the other hand, based on studies involving other medical conditions. Their use for hyperhidrosis is thus ‚Äúoff-label‚ÄĚ. Of course, it is common for medications to be used ‚Äúoff-label‚ÄĚ and a substantial safe history of off-label use of these meds has helped many doctors to feel confident about them. Some anticholinergics, such as glycopyrrolate and oxybutynin, have even been found to be safe in young children.¬†

It should be noted, however, that a newer study (published in 2015) reported a potential link between the development of dementia and long-term, high-level anticholinergic use by people age 65 and older. Patients over (or near) the age of 65 may want to discuss this recent study with their physicians before embarking on or continuing anticholinergic therapy for excessive sweating. Besides possibly in this older age group (and more studies are needed on this),¬†anticholinergics do not, in general, affect the central nervous system (or brain and spinal cord). They work, instead, more peripherally by blocking the chemical messenger acetylcholine as it¬†attempts¬†to travel to receptors on the sweat glands that are responsible for triggering sweating. Similar receptors are, however, located in multiple areas of the body, so there can be a range of side effects from anticholingeric therapy such as: dry mouth, constipation, impaired taste, blurred vision, urinary retention, and heart palpitations. These side effects can usually be managed by adjusting the individual‚Äôs dose.¬†David M. Pariser, MD,¬†International Hyperhidrosis Society¬†founding board member, and an expert in treating hyperhidrosis patients, characterizes the side effects of anticholinergic treatments as ‚Äúpredictable, manageable and usually mild.‚ÄĚ

That said, there are some hyperhidrosis patients who need to be cautious when using anticholinergics. As mentioned above, patients age 65 or older may want to discuss their anticholinergic use and potential dementia risks with their physicians, but other patients need to be careful and informed, too.¬†Because anticholinergic medications work systemically and cannot target any one body area in particular, they decrease sweating over the entire body, even those locations where sweating is not a problem. This overall decrease in sweating can put the patient at risk for overheating.¬†Dee Anna Glaser, MD, president and founding board member of the International Hyperhidrosis Society, treats hundreds of hyperhidrosis patients a year and is well versed in anticholinergic use. She cautions her patients saying, ‚ÄúWhen taking anticholingerics, the body may have more difficulty keeping itself cool with the sweat mechanism ‚Äėturned off.‚Äô Therefore, athletes, people who participate in sports, people who work outdoors and anyone who may potentially cause themselves injury by becoming overheated must use extra care when considering these treatments.‚ÄĚ Patients or parents of children taking the medication must remain aware of temperature, water intake, exertion, and any symptoms of overheating such as pale skin, dizziness, muscle cramping, weakness, headache, and nausea.¬†

Further, patients with glaucoma (especially narrow-angle glaucoma) and those who have impaired gastric emptying or a history or symptoms of urinary retention should not use anticholingeric therapy.

Two of the most commonly prescribed anticholinergic medications are now available in liquid formulations, which is important and helpful for children who suffer from hyperhidrosis. Specifically, the FDA has approved a liquid form of the anticholinergic glycopyrrolate (brand name, Cuvposa) to reduce drooling in pediatric cerebral palsy patients. This new formulation of a commonly used anticholinergic medication offers an excellent alternative for children who are unable or unwilling to swallow the pills. Oxybutynin is also available in a liquid formulation and is approved for use in pediatric patients with certain bladder and urinary conditions. Dr. Pariser says the benefits of oral anticholinergics in liquid form have been immediate.

‚ÄúI had an 8-year-old child who couldn't swallow the tablets, no matter how crushed or mixed with food. Here‚Äôs a great solution. And because this medicine is approved for children it gives reassurance to patients of all ages who have safety concerns with this therapy.‚ÄĚ

Beta Blockers and Benzodiazepines

There are other oral medications besides anticholinergics that are successful in treating patients with specific types of hyperhidrosis, as well. Beta blockers (propranolol) and benzodiazepines work by ‚Äúblocking‚ÄĚ the physical manifestations of anxiety.¬†These meds act on the central nervous system and are best for patients who experience episodic or event-driven hyperhidrosis (such as excessive sweating brought on by job interviews or presentations). Side effects limit their long-term use. For instance, benzodiazepines can be habit-forming and many patients cannot tolerate the sedative effects caused by both of these drug therapies.

There have also been single-case or small samples of patients with specific types of hyperhidrosis who responded to a variety of other oral medications. Agents such as Clonidine, indomethacin, gabapentin, and multiple others have shown effectiveness in very specific cases of hyperhidrosis. Here is another promising use for oral anticholinergic medications. Some physicians and their patients have had great success treating sweaty palms and sweaty feet by adding a crushed anticholinergic tablet to the water used during iontophoresis. Learn more about iontophoresis and how anticholinergics can make the process even more effective.

If you are interested in learning more about using oral medications to treat excessive sweating, find a healthcare provider who is well-versed in hyperhidrosis care and oral medications in the IHHS’s Physician Finder database. 

What if a systemic oral medication isn't right for you now? Maybe one will be in the future! Who knows what may become available! There are always innovative developments on the horizon in hyperhidrosis care. But keep in mind, also, that there are  great treatments available right now. 

Next Steps

Have you talked to your doctor about excessive sweating? If not, now is the time! Learn more about how you and your doctor can work together to find the right treatment, or combination of hyperhidrosis treatments, to manage your hyperhidrosis.

If you’re considering an oral medication to treat excessive sweating, please know that experts in the field recommend that you try antiperspirants, iontophoresis, or Botox injections first. Click on the links provided to learn more about the usefulness of these treatments.

And remember, because hyperhidrosis is a serious medical condition - you deserve insurance coverage and reimbursement for your doctor’s visits and treatments! We’ve got tips to help you navigate the health insurance realm and receive coverage.

Research and References

Want to learn more about oral medications for the treatment of excessive sweating? Below are links to relevant articles and abstracts published in medical journals. More studies regarding other treatments can be found here:

Gray, Shelly L PharmD, MS, et al. ‚ÄúCumulative use of strong anticholingerics and incident of dementia.‚ÄĚ JAMA Intern Med doi: 10.1001/jamainternmed.2014.7663. Published online January 26, 2015.

Campbell, Noll L. PharmD & Boustani, Malaz A. MD, MPH. ‚ÄúAdverse cognitive effects of medications. Turning attention to reversibility.‚ÄĚ Invited commentary. JAMA Intern Med doi: 10.1001/jamainternmed.2014.7667. Published online January 26, 2015.

Glaser, Dee Anna MD. "Oral medications." Dermatologic Clinics 32:4 (2014): 527-532.

Paller, Amy S. MD, et al. "Oral glycopyrrolate as second-line treatment for primary pediatric hyperhidrosis". J Am Acad Dermatol 67:5 (2012): 918-923.

Walling, Hobart W. MD, PhD. ‚ÄúSystemic therapy for primary hyperhidrosis: a retrospective study of 59 patients treated with glycopyrrolate or clonidine‚ÄĚ. J Am Acad Dermatol 66:3 (2012): 387-392.

Wolosker, Nelson, et al. ‚ÄúThe use of oxybutynin for treating axillary hyperhidrosis‚ÄĚ. Annals of Vascular Surgery 25:8 (2011): 1057-1062.

Wolosker, Nelson, et al. ‚ÄúThe use of oxybutynin for treating facial hyperhidrosis‚ÄĚ. An Bras Dermatol 86:3 (2011): 451-456.

Carriere, Isabelle PhD, et al. ‚ÄúDrugs with anticholinergic properties, cognitive decline, and dementia in an elderly general population.‚ÄĚ Arch Intern Med 169:14 (2009): 1317-1324.

Dolianitis, Con, et al. "Iontophoresis with glycopyrrolate for the treatment of palmoplantar hyperhidrosis". Australasian Journal of Dermatology 45 (2004): 208-212.

Hund, Martina, et al. ‚ÄúRandomised, placebo-controlled, double blind clinical trial for the evaluation of the efficacy and safety of oral methanthelinium bromide (Vagantin¬ģ) in the treatment of focal hyperhidrosis‚ÄĚ.JDDG;2004¬∑ 2:343-349.¬†

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