Celebrating 10 years of PPP Support! See how we ensure you never walk alone here.

Celebrating 10 years of PPP Support!

Important Safety Information

Start your Keveyis Journey

About KEVEYIS

Gain greater control over Primary Periodic Paralysis with KEVEYIS®

Learn more about PPP

KEVEYIS is proven to treat PPP1-3

KEVEYIS is a daily pill proven to reduce the number, severity, and length of PPP episodes in 2 clinical studies.1-3 It’s the first drug approved by the FDA for treatment of PPP.1

In a clinical study, people taking KEVEYIS reported1,2:

  • Number of episodes decreased
    People taking KEVEYIS had fewer weekly episodes.
  • Episodes were not as severe
    Patients taking KEVEYIS reported that their episodes were not as severe.
  • Episodes were shorter
    When patients taking KEVEYIS did have episodes, they didn’t last as long.

Taking KEVEYIS

KEVEYIS is a pill that you take by mouth once or twice a day, depending on what your doctor prescribed.1 Treatment with KEVEYIS is personalized, so your doctor can change your dose to find what’s right for you.

Before you start KEVEYIS, work with your doctor to set treatment goals to track your progress while on KEVEYIS.1

KEVEYIS common side effects1

It’s normal to experience certain side effects when you start taking KEVEYIS. Some side effects can be managed with the help of your doctor. Consult your doctor if you have any questions about or experience side effects while taking KEVEYIS.

Tingling or prickling sensations
(pins and needles)

Confusion or trouble paying attention

Changes in taste

Brain fog

Moving forward with PPP with KEVEYIS

Hear Dennis’s story about how KEVEYIS helped him gain more control over his PPP.

PATIENT TESTIMONIALS

Real KEVEYIS stories

Patients share their experience of taking KEVEYIS for PPP.
Paul
On KEVEYIS since 2017
“I went from about one [attack] a week to one a month since starting KEVEYIS.”

Paul
KEVEYIS patient
Hear more about Paul ➞
Kirsten
On KEVEYIS since 2016
“After starting KEVEYIS I have no attacks of full body paralysis.”

Kirsten
KEVEYIS patient
Hear more about Kirsten ➞
Dennis
On KEVEYIS since 2016
“Before KEVEYIS, I was having a lot of episodes…it was horrible. [After starting KEVEYIS], I haven’t had a serious attack in years.”

Dennis
KEVEYIS patient
Hear more about Dennis ➞
Janine
On KEVEYIS since 2016
“Having more control over my symptoms on KEVEYIS I feel more confident, more independent.”

Janine
KEVEYIS patient
Hear more about Janine ➞

Take the next step

Find out if KEVEYIS is right for you — and see for yourself the difference it can make.

By submitting this form, I understand I am giving Xeris Pharmaceuticals, Inc., its affiliates, and business partners permission to use the personal information provided in this registration form to contact me by the following methods, but not limited to: mail, email, telephone call or in-person about disease and product information, disease or product-related events, support services, market research, and to share promotional and marketing information. By submitting this form, I consent to these uses and am confirming that I have read and agree to the Xeris Pharmaceuticals® Terms of Use and Privacy Statement. I understand I can unsubscribe by clicking on the unsubscribe link in future communications or by sending a letter with my full contact information (eg, name, address, email, phone, etc) to Xeris CareConnection™ Patient Support Services, 1375 W Fulton Street, Suite 1300, Chicago, IL 60607.

References

  1. KEVEYIS [package insert]. Chicago, IL; Xeris Pharmaceuticals, Inc.
  2. Sansone VA, Burge J, McDermott MP, et al; for the Muscle Study Group. Randomized, placebo-controlled trials of dichlorphenamide in periodic paralysis. Neurology. 2016;86:1408-1416.
  3. Tawil R, McDermott MP, Brown R, et al. Randomized trials of dichlorphenamide in the periodic paralyses. Working Group on Periodic Paralysis. Ann Neurol. 2000;47(1):46-53.

INDICATION AND IMPORTANT SAFETY INFORMATION — READ MORE

Indication and Important Safety Information

Indication

KEVEYIS (dichlorphenamide) is a prescription drug used to treat primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and other similar diseases.

Important Safety Information

  • Do not take KEVEYIS if you:
    • Have liver or severe lung disease
    • Are allergic to dichlorphenamide or other sulfa drugs
    • Are taking high doses of aspirin
  • Discontinue KEVEYIS at the first appearance of skin rash, swelling, difficulty breathing, or any other unexpected side effect or reaction
  • KEVEYIS can cause your body to lose potassium, can cause acid buildup, and can increase your risk of falls. The risk of falls and acid buildup are greater in elderly patients
  • The most common side effects are feeling of tingling or prickling (“pins and needles”) in your toes, feet, and hands and fingers; trouble with memory or thinking; unpleasant taste in the mouth; and feeling confused
  • Before taking KEVEYIS, tell your doctor about all the medicines you take, medical conditions, and if you are pregnant or plan to become pregnant
  • You are encouraged to report side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088

 

For more information, see full Prescribing Information for KEVEYIS.

Xeris

Keveyis®, Xeris Pharmaceuticals®, Xeris CareConnection™, PPP MentorConnect™, and their associated logos are trademarks owned by or licensed to Xeris Pharmaceuticals, Inc.

FOR PATIENTS

OTHER

Copyright © 2024-2025 Xeris Pharmaceuticals, Inc. All rights reserved.
US-KEV-24-00030(v3) 7/2025

Find answers

Take the next step

Get customized support for your KEVEYIS journey. Simply fill out the information and a Patient Access Manager will contact you. They will walk you through the entire process, from diagnosis to treatment and beyond.

By submitting this form, I understand I am giving Xeris Pharmaceuticals, Inc., its affiliates, and business partners permission to use the personal information provided in this registration form to contact me by the following methods, but not limited to: mail, email, telephone call or in-person about disease and product information, disease or product-related events, support services, market research, and to share promotional and marketing information. By submitting this form, I consent to these uses and am confirming that I have read and agree to the Xeris Pharmaceuticals® Terms of Use and Privacy Statement. I understand I can unsubscribe by clicking on the unsubscribe link in future communications or by sending a letter with my full contact information (eg, name, address, email, phone, etc) to Xeris CareConnection™ Patient Support Services, 1375 W Fulton Street, Suite 1300, Chicago, IL 60607.

Celebrate with us

Celebrating 10 years of KEVEYIS®

As The Proven Leader for Primary Periodic Paralysis (PPP), we know managing this disease takes more than medication alone. That’s why we’re celebrating 10 years of ensuring you never walk alone in your PPP journey.
See our commitment
Keveyis
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.