Renese Side Effects

Generic Name: polythiazide

Note: This page contains side effects data for the generic drug polythiazide. It is possible that some of the dosage forms included below may not apply to the brand name Renese.

It is possible that some side effects of Renese may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to polythiazide: oral tablet

As well as its needed effects, polythiazide (the active ingredient contained in Renese) may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking polythiazide, check with your doctor immediately:

Incidence not known
  • Abdominal or stomach pain
  • black, tarry stools
  • bleeding gums
  • bloating
  • blood in urine or stools
  • blurred vision
  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • chest pain
  • chills
  • clay-colored stools
  • cold sweats
  • confusion
  • constipation
  • cough or hoarseness
  • coughing up blood
  • darkened urine
  • diarrhea
  • difficulty breathing
  • dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  • dry mouth
  • fever
  • flushed, dry skin
  • fruit-like breath odor
  • general feeling of discomfort or illness
  • general feeling of tiredness or weakness
  • headache
  • increased hunger
  • increased thirst
  • increased urination
  • indigestion
  • irregular heartbeat
  • itching
  • joint pain, stiffness, or swelling
  • loss of appetite
  • lower back or side pain
  • muscle cramps or pain
  • nausea or vomiting
  • nosebleeds
  • numbness, tingling, pain, or weakness in hands or feet
  • painful or difficult urination
  • pains in stomach, side, or abdomen, possibly radiating to the back
  • pale skin
  • pinpoint red spots on skin
  • rash
  • redness, soreness, or itching skin
  • seizures
  • shortness of breath
  • sores, welting, or blisters
  • sugar in the urine
  • swelling of feet or lower legs
  • swollen or painful glands
  • tenderness of salivary glands
  • tightness in chest
  • trembling
  • troubled breathing
  • unpleasant breath odor
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • unusual weight loss
  • vomiting of blood
  • weakness and heaviness of legs
  • wheezing
  • yellow eyes or skin

Some polythiazide side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

Incidence not known
  • Cramping
  • difficulty having a bowel movement (stool)
  • feeling of constant movement of self or surroundings
  • hair loss, thinning of hair
  • increased sensitivity of skin to sunlight
  • muscle spasm
  • pinpoint red or purple spots on skin
  • redness or other discoloration of skin
  • restlessness
  • sensation of spinning
  • severe sunburn
  • weakness

For Healthcare Professionals

Applies to polythiazide: oral tablet

Metabolic

Some of the metabolic changes associated with thiazide diuretics may be significant in patients with underlying cardiac arrhythmias (hypokalemia), coronary artery disease (hypercholesterolemia), gout (hyperuricemia), or liver disease (hyponatremia and hypokalemia).

The metabolic side effects of polythiazide, as with other thiazide diuretics, include hypokalemia, hyponatremia, hypochloremia, hypercalcemia, hypercholesterolemia, and hyperuricemia. Significant reductions in the serum potassium (decreases of 0.5 mEq/L or more) have been observed in up to 50% of patients who are taking moderate doses of thiazide diuretics. This can predispose some patients to develop cardiac arrhythmias.

Hypersensitivity

Hypersensitivity reactions to thiazide diuretics have been reported in less than 1% of patients. While most allergic reactions present as rash with nausea and vomiting, rare cases of acute pulmonary edema, interstitial cystitis, interstitial nephritis, and anaphylaxis have been associated with some thiazide diuretics.

Dermatologic

Dermatologic reactions to thiazides include erythema annular centrifugum, acute eczematous dermatitis, morbilliform and leukocytoclastic vasculitis. Thiazides may induce phototoxic dermatitis. In addition, a rare, distinct entity with clinical and laboratory features indistinguishable from those of subacute cutaneous lupus erythematosus has been associated with a related drug, hydrochlorothiazide.

Renal

Renal side effects including new or worsened renal insufficiency may occur due to polythiazide-induced intravascular volume depletion. Rare cases of interstitial nephritis have been associated with some thiazide diuretics.

Cardiovascular

Cardiac arrhythmias, including ventricular ectopy and complete AV heart block, have been associated with thiazide-induced hypokalemia. (Potassium supplementation is not an uncommon requirement.)

Cardiovascular side effects are generally limited to palpitations. Orthostatic hypotension may occur and may rarely be associated with syncope, particularly in the elderly.

Endocrine

Endocrinologic problems associated with thiazide diuretics include glucose intolerance and a potentially deleterious effect on the lipid profile. This may be important in some patients with or who are at risk for diabetes or coronary artery disease.

A prospective study of 34 patients who received oral thiazide diuretics for 14 years without interruption revealed an increased mean fasting blood glucose level after treatment. Withdrawal of thiazide therapy for 7 months in 10 of the patients resulted in mean reductions of 10% in fasting blood glucose and 25% in the 2-hour glucose tolerance test value. A control group was not reported.

Hematologic

Hematologic side effects are rare. Cases of immune-complex hemolytic anemia, aplastic anemia, and thrombocytopenia have been associated with polythiazide (the active ingredient contained in Renese) or related thiazide agents.

A 2.5-year-old male with anasarca developed cyanosis and oral ulcerations associated with laboratory evidence of pancytopenia 15 days after beginning polythiazide (dose not available). A bone marrow aspiration revealed general hypoplasia with absence of megakaryocytes and blast cells. The child died from persistent hemorrhaging and infections despite prednisolone and antimicrobial therapy.

Gastrointestinal

Gastrointestinal side effects are unusual. The most common complaint is "dry mouth". There have been rare cases of pancreatitis and acute cholecystitis associated with thiazide diuretics.

Thiazide diuretics may increase serum cholesterol and triglycerides, resulting in increased risk of cholesterol gallstone formation. Reports of bowel strictures associated with thiazide ingestion have been reported in the 1960's, although these patients were on a combination hydrochlorothiazide-potassium product.

Psychiatric

Limited data suggest an association between psychiatric depression and thiazide diuretics. These data are uncontrolled observations and have not been substantiated.

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