November 3–8, 2025 is Hyperoxaluria Consciousness Week.
Main hyperoxaluria (PH) is a uncommon genetic illness that has three varieties: PH1, PH2 and PH3. Lower than 5,000 individuals within the U.S. have PH, a lot of whom are youngsters.
Your liver produces a waste product known as oxalate — when you have PH, you overproduce oxalate and it builds up, inflicting kidney stones. Sadly, many individuals who’ve the illness don’t realize it till their kidneys cease working. Eight out of 10 individuals with PH have PH1, which is essentially the most critical sort of main hyperoxaluria, and it causes essentially the most extreme signs.
Treating and managing main hyperoxaluria
Main hyperoxaluria can’t be cured, however should you can sluggish the oxalate buildup, you may stop or scale back the variety of kidney stones that type, defending your kidneys for so long as doable. The sooner you’re identified and handled, the higher.
Therapy choices embrace:
When you have PH, it’s essential to drink extra water and different fluids. The extra urine you make, the tougher it’s for oxalate to clump collectively and make kidney stones. The overall advice is a minimum of 3 liters (a bit of over 12 cups) of water all through the day. In case you don’t wish to drink water, there are different methods you may get fluids, like by means of soups, fruits, greens and different meals.
Kids with PH want loads of fluid too, however their HCP ought to let you know how a lot they want, relying on age and dimension. Infants and really younger youngsters may want a tube inserted by means of the nostril to the abdomen (nasogastric) or surgically inserted by means of a tiny opening within the stomach (gastrostomy) to provide the fluids.
As PH progresses, it might probably trigger kidney or coronary heart failure, which suggests you may need to cut back how a lot fluid you drink. If this occurs, speak along with your HCP about what your every day fluid consumption needs to be.
Oxalate is present in plant meals, which can embrace many meals which might be typically wholesome. A few of your staples might now be on the “needs to be prevented” checklist. A dietitian may also help you adapt your weight-reduction plan, give concepts for substitute meals and supply assist as you navigate this new method of consuming. In case you’re having bother affording the meals, ask your dietitian for native sources.
These are just some wholesome meals which might be excessive in oxalate that you must keep away from:
- Beets
- Bran
- Peanut butter
- Spinach
- Tea
- Almonds, cashews and another nuts
And a few treats are excessive in oxalate, so additionally needs to be prevented:
- Chocolate
- Darkish beer
- French fries
- Potato chips
Processed meals can even comprise oxalate, in order that’s another excuse to keep away from processed merchandise.
Including calcium-rich meals to your weight-reduction plan is a good suggestion. Calcium helps by maintaining the oxalate from getting absorbed into your bloodstream. Dairy is one of the best meals group for calcium. (In case you’re lactose illiberal, you may typically discover lactose-free merchandise that also assist meet your calcium wants.) Your dietitian can provide you different concepts for high-calcium meals as nicely.
Some dietary supplements may assist handle oxalate ranges. These can embrace:
- Vitamin B6, additionally known as pyridoxine, helps about 3 out of 10 individuals with PH by reducing oxalate ranges. The every day B6 advice for many adults is between 1.3 and 1.7 milligrams (mg) per day, however for individuals with PH, doses are a lot increased. Your HCP may also help let you know what dose you must take and observe you carefully to be sure to don’t develop poisonous ranges.
- Dietary supplements which have citrates or magnesium may also help stop oxalate from clumping collectively. They work in several methods however may be efficient for some individuals with PH.
Folks with PH ought to keep away from any dietary supplements that embrace vitamin C. Your physique converts extra vitamin C into oxalate, one thing you don’t need.
Your liver produces oxalate, so your HCP might prescribe one among two injected drugs that decrease the quantity it makes:
- Lumasiran (Oxlumo)
- Nedosiran (Rivfloza)
Diuretics, medication that makes you produce urine, aren’t normally a part of the first-line remedy as a result of they are often dehydrating. Nevertheless, you may want a diuretic — typically known as a water capsule — when you have excessive calcium ranges in your urine.
Kidney stones could cause extreme ache and block urine circulation. If they will’t cross naturally, the stones should be eliminated. Extracorporeal shock wave lithotripsy, a noninvasive process that makes use of shock waves, is a standard process for breaking down kidney stones, but it surely’s typically not as efficient in individuals with PH.
When you have massive or a number of stones, your HCP might advocate a surgical procedure known as percutaneous nephrolithotomy. When you have smaller stones or they’re in your ureters, the skinny tubes that join your kidneys to your bladder, your HCP may do a ureteroscopy. This includes inserting a slender tube known as a ureteroscope into your urethra, by means of your bladder and into the ureter. The tube has a small basket on the finish to seize the stones.
Treating end-stage renal illness
PH1 and generally PH2 can progress to end-stage renal illness. If that occurs, your kidneys can’t do their job, which leads to kidney failure and requires you to have dialysis just a few occasions every week. The most typical methodology is hemodialysis. A catheter is positioned in your arm and blood flows out right into a machine that cleans the toxins out of your blood. The cleaned blood then flows again into your physique. Sadly, this isn’t a remedy for kidney failure, and your HCP might ask you to think about having a liver transplant and presumably a kidney transplant if nonetheless wanted.Since your liver is answerable for overproducing oxalate, a brand new one might cease the overproduction, and your kidneys may enhance after a liver transplant. If not, your HCP may advocate a kidney transplant at that time.
Life-style adjustments may also help handle main hyperoxaluria
Though PH can’t be cured, adjusting your weight-reduction plan and taking dietary supplements and/or prescription drugs might assist handle the illness. Working carefully along with your HCP and a dietitian may also help make the method a bit of simpler.
This academic useful resource was created with assist from Alnylam.
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