Aldactone 100mg (Spironolactone)
Available Dosages
| Description |
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|---|---|
| SKU | 1026 |
| Generic For | Aldactone |
| Strength | 100 mg |
| Manufacturer | RPG Life Sciences |
| Active Ingredient | Spironolactone |
| Pack Size | Qty | Price Per Pill or Unit | Price | Cart | |
|---|---|---|---|---|---|
| 30 Tablet/s | US$ 0.44 | US$ 13.16 | |||
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| 60 Tablet/s | US$ 0.44 | US$ 26.31 | |||
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| 90 Tablet/s | US$ 0.39 | US$ 35.5010%US$ 39.45 | |||
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Buy Aldactone 100mg Spironolactone Tablets Online
Aldactone 100mg is a widely prescribed medication containing the active ingredient spironolactone, a potassium-sparing diuretic used to treat conditions such as high blood pressure, fluid retention (edema), heart failure, and hormonal imbalances. A valid prescription is important if you are looking to buy Aldactone 100mg online. This medication offers an effective and clinically proven solution for managing fluid levels and improving cardiovascular health.
Aldactone manufacturer – RPG Life Sciences manufactures Aldactone under strict pharmaceutical standards. Aldactone 100mg tablets help regulate excess fluid in the body without causing potassium loss, making it a preferred choice among healthcare providers worldwide.
What is Aldactone 100mg?
Aldactone 100mg (spironolactone) is a prescription medicine that belongs to a class of drugs known as aldosterone antagonists or potassium-sparing diuretics. By reducing sodium and water retention while conserving potassium, Aldactone 100mg helps maintain electrolyte balance and prevents complications associated with fluid overload. You should only use it under the supervision of a healthcare specialist.
Spironolactone and its working mechanism
Spironolactone is a potassium-sparing diuretic primarily used to treat conditions like hypertension, heart failure, and hormonal imbalances such as acne and hirsutism. It works by antagonizing aldosterone receptors in the distal renal tubules, reducing sodium and water reabsorption while conserving potassium. This leads to decreased fluid retention and lowered blood pressure. Additionally, spironolactone blocks androgen receptors and reduces testosterone production, making it effective in treating androgen-related conditions. Its dual action on fluid balance and hormones makes it a versatile therapeutic agent in both cardiovascular and dermatological care.
Key uses of Aldactone 100mg tablets
- Hypertension (high blood pressure): Aldactone 100mg helps reduce blood pressure by eliminating excess fluid and relaxing blood vessels. This reduces the workload on the heart and lowers the risk of strokes and heart attacks.
- Edema (fluid retention): It is highly effective in treating edema caused by conditions such as heart failure, kidney disorders, and liver cirrhosis
- Heart failure management: In patients with congestive heart failure, Aldactone improves survival rates and reduces hospitalizations by preventing fluid accumulation.
- Hormonal acne treatment: Spironolactone is commonly prescribed off-label for acne in women. It works by blocking androgen hormones that trigger excess oil production.
- PCOS (Polycystic Ovary Syndrome): Aldactone 100mg helps manage symptoms like excess facial hair (hirsutism), acne, and hormonal imbalance
How does Aldactone 100mg work?
The active ingredient spironolactone works by inhibiting aldosterone receptors in the kidneys. Aldosterone promotes sodium and water retention while excreting potassium. By blocking this hormone, Aldactone increases sodium and water excretion, retains potassium levels, reduces fluid buildup, and helps control blood pressure. Additionally, its anti-androgenic properties reduce the effects of male hormones, making it useful for treating acne and PCOS symptoms.
Key benefits of Aldactone 100mg
Aldactone 100mg offers multiple therapeutic benefits, making it a versatile medication for several conditions:
- Helps lower high blood pressure (hypertension)
- Reduces swelling caused by fluid retention (edema)
- Supports the treatment of heart failure
- Effective in managing liver cirrhosis-related fluid buildup
- Helps treat hormonal acne in women
- Used in the management of PCOS (Polycystic Ovary Syndrome)
- Prevents potassium loss associated with other diuretics
Precautions with spironolactone medicine
This medication may not be suitable for everyone. Avoid using Aldactone if you have high potassium levels (hyperkalemia), severe kidney disease, are allergic to spironolactone, or are pregnant or breastfeeding (consult a doctor). To ensure safe use of spironolactone 100mg, monitor potassium levels regularly, avoid potassium-rich diets or supplements, stay hydrated, and limit alcohol consumption. Inform your doctor about existing medical conditions.
Drug interactions: Spironolactone 100mg may interact with other medications, including ACE inhibitors, ARBs (angiotensin receptor blockers), potassium supplements, NSAIDS, and lithium. Always inform your doctor about all medications and supplements you are taking.
Side effects of spironolactone medicine
Like all medications, Aldactone 100mg may cause side effects. Most are mild and temporary. Common side effects include dizziness, headache, nausea, and increased urination. Serious side effects include high potassium levels, irregular heartbeat, severe allergic reactions, and breast tenderness or enlargement. Seek immediate medical attention if you experience severe symptoms.
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Dosage and administration methods of spironolactone medicine
Aldactone 100mg is suitable for individuals who have high blood pressure, experience swelling due to fluid retention, suffer from heart-related conditions, or need hormonal treatment for acne or PCOS. However, it should only be used under medical supervision. The Aldactone 100mg dosage varies depending on the condition being treated and the patient’s medical history.
General dosage guidelines:
- Hypertension: 50–100 mg daily
- Edema: 100 mg daily (may vary)
- Heart failure: As prescribed by a doctor
- Acne/PCOS: Typically 50–100 mg daily
Take the tablet with or without food. Take it at the same time each day. Do not skip doses or stop abruptly. Follow your doctor’s instructions strictly.
Storage Instructions: Store at room temperature (below 25°C). Keep away from moisture and sunlight. Keep out of reach of children.
How does Aldactone 100mg work as a diuretic?
Aldactone 100mg works by competitively blocking aldosterone receptors in the collecting ducts and distal tubules of the kidney. Aldosterone normally promotes Sodiumium and water retention while causing potassium excretion. By blocking these receptors, spironolactone reduces Sodiumium and water retention (producing a mild diuretic effect) while conserving potassium—unlike other diuretics (furosemide, hydrochlorothiazide) that cause potassium loss. In heart failure, it also blocks aldosterone's harmful effects on the heart and blood vessels (cardiac fibrosis, vascular remodeling), contributing to its mortality benefit beyond simple fluid removal.
What is the correct dose of Aldactone 100mg for heart failure?
In heart failure treatment, spironolactone is typically started at 25mg once daily and may be titrated up to 50mg based on response and potassium levels. The 100mg dose is generally used for primary hyperaldosteronism and severe refractory edema rather than standard heart failure management. For the RALES trial indication (severe systolic heart failure), doses of 25–50mg were used. Your cardiologist will determine the appropriate dose based on your specific condition, kidney function, and electrolyte levels. Regular monitoring of serum potassium and creatinine is essential when using spironolactone for heart failure.
What are the side effects of Aldactone 100mg?
The most important side effect is hyperkalemia (dangerously high potassium), particularly when combined with ACE inhibitors, ARBs, or potassium supplements, or in patients with kidney disease. Other side effects include breast tenderness and gynecomastia (breast enlargement in men—due to anti-androgenic and weak estrogenic activity), menstrual irregularities in women, impotence, dizziness, and GI upset. At higher doses (100mg), hormonal side effects are more prominent. Dehydration and electrolyte imbalance can occur. Regular monitoring of potassium and kidney function is essential for all patients on spironolactone.
Can Aldactone 100mg cause high potassium (hyperkalemia)?
Yes, hyperkalemia is the most serious risk of Aldactone 100mg. Spironolactone conserves potassium by blocking aldosterone's kaliuretic effect. This risk is substantially elevated when combined with ACE inhibitors (lisinopril, ramipril), ARBs (irbesartan, losartan), potassium-sparing supplements, or in patients with chronic kidney disease where potassium excretion is already impaired. Symptoms of hyperkalemia include muscle weakness, fatigue, palpitations, and in severe cases, life-threatening cardiac arrhythmias. Serum potassium must be monitored frequently, especially when starting therapy, changing doses, or adding other medications.
Is Aldactone 100mg used for hormonal acne or PCOS?
Yes, spironolactone (Aldactone) is widely used off-label for hormonal acne, hirsutism (unwanted hair), and PCOS in women. It blocks androgen receptors and reduces dihydrotestosterone (DHT) production, which drives hormonal acne and excess hair. Doses for these conditions range from 50–200mg daily, often starting at 100mg. Effects on acne typically become apparent after 3–6 months of therapy. It is not appropriate for men due to significant anti-androgenic side effects (gynecomastia, impotence). Women of childbearing age should use reliable contraception, as spironolactone can cause feminization of male fetuses.
Can Aldactone 100mg be taken with blood pressure medications?
Spironolactone is frequently combined with antihypertensive drugs, including ACE inhibitors, ARBs, beta-blockers, and calcium channel blockers, as it effectively lowers resistant hypertension through a different mechanism (aldosterone blockade). However, the combination with ACE inhibitors or ARBs requires careful potassium monitoring due to additive hyperkalemia risk. The combination of spironolactone plus an ACE inhibitor/ARB is often called dual RAAS blockade and requires close medical supervision. Never add Aldactone to an existing ACE inhibitor or ARB regimen without physician guidance and regular potassium checks.
How long does it take Aldactone 100mg to work for fluid retention?
Spironolactone has a slower onset of diuretic action than loop diuretics like furosemide. It typically takes 2–3 days to achieve measurable diuresis, as aldosterone receptor blockade produces a gradual effect. Maximum diuretic effect develops over the first 1–2 weeks of therapy. For cirrhosis-related ascites management, response may be monitored weekly, with dose titration every 1–2 weeks if needed. For heart failure and hypertension, the cardiovascular benefits (mortality reduction, blood pressure control) develop over weeks to months. Unlike loop diuretics, Aldactone is not suitable for acute fluid emergencies.
Does Aldactone 100mg affect the menstrual cycle?
Yes, spironolactone 100mg can cause menstrual irregularities in premenopausal women, including irregular cycles, spotting between periods, or amenorrhea (absent periods). These effects are related to its anti-androgenic and weak progestogenic activity. Menstrual irregularities are more common at 100mg or higher doses. Many dermatologists combine spironolactone with an oral contraceptive pill for women with hormonal acne—this both provides contraception (required during spironolactone therapy) and can regularize the menstrual cycle. Discuss any significant menstrual changes with your prescribing physician.
Is Aldactone 100mg safe with kidney disease?
Aldactone 100mg requires significant caution in patients with kidney disease. Impaired kidneys cannot efficiently excrete potassium, making hyperkalemia much more likely and dangerous when combined with potassium-sparing drugs like spironolactone. Spironolactone is generally contraindicated in patients with significant renal impairment (GFR <30 mL/min or serum creatinine >2.0 mg/dL) due to this risk. In mild kidney disease, careful monitoring of potassium (at least weekly initially) and creatinine is mandatory. Dose reduction is typically required. Discuss your kidney function with your physician before starting or continuing Aldactone at 100mg.
Does Aldactone 100mg cause gynecomastia in men?
Yes, gynecomastia (breast tissue enlargement) and breast tenderness in men are well-known side effects of spironolactone, particularly at doses of 100mg or higher. This occurs because spironolactone has weak anti-androgenic and weak estrogenic receptor activity, disrupting the androgen-to-estrogen balance. Studies report gynecomastia in 10–30% of men on long-term higher-dose spironolactone. The effect is dose-dependent and generally reversible after stopping the medication. If gynecomastia is a concern, eplerenone (a more selective aldosterone antagonist) is an alternative with significantly lower hormonal side effect risk, though often at higher cost.
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