Hydrochlorothiazide, HCTZ; Triamterene tablets or capsules
Hydrochlorothiazide, HCTZ; Triamterene tablets or capsules
What is this medicine?
HYDROCHLOROTHIAZIDE; TRIAMTERENE (hye droe klor oh THYE a zide; trye AM ter een) is a diuretic. It helps you make more urine and lose the extra water from your body. This medicine is used to treat high blood pressure and edema or swelling from excess water.
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on your prescription label. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.
Remember that you will need to pass urine frequently after taking this medicine. Do not take your doses at a time of day that will cause you problems. Do not take at bedtime.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions such as skin rash or itching, hives, swelling of the lips, mouth, tongue, or throat
changes in vision
eye pain
fast or irregular heartbeat, chest pain
feeling faint or dizzy
gout attack
muscle pain or cramps
numbness or tingling in hands, feet, or lips
pain or difficulty when passing urine
redness, blistering, peeling or loosening of the skin, including inside the mouth
shortness of breath
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
change in sex drive or performance
dry mouth
headache
stomach upset
What may interact with this medicine?
Do not take this medicine with any of the following medications:
cidofovir
dofetilide
eplerenone
potassium supplements
tranylcypromine
This medicine may also interact with the following medications:
certain medicines for blood pressure, heart disease like benazepril, lisinopril, losartan, valsartan
lithium
medicines for diabetes
medicines that relax muscles for surgery
NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
other diuretics
penicillin G potassium
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Throw away any unused medicine after the expiration date.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
diabetes
immune system problems, like lupus
kidney disease or stones
liver disease
small amount of urine or difficulty passing urine
an unusual or allergic reaction to triamterene, hydrochlorothiazide, sulfa drugs, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
What should I watch for while using this medicine?
Visit your doctor or health care professional for regular check ups. You will need lab work done before you start this medicine and regularly while you are taking it. Check your blood pressure regularly. Ask your health care professional what your blood pressure should be, and when you should contact them. If you are a diabetic, check your blood sugar as directed. Do not stop taking your medicine unless your doctor tells you to.
You may need to be on a special diet while taking this medicine. Ask your doctor. Also, ask how many glasses of fluid you need to drink a day. You must not get dehydrated.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid or limit alcoholic drinks.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Updated:  
May 09, 2018