Losartan is prescribed for managing hypertension (high blood pressure) and safeguarding the kidneys against diabetes-related damage. Additionally, it aids in reducing the likelihood of strokes in individuals with high blood pressure and an enlarged heart. By reducing high blood pressure, it plays a role in preventing strokes, heart attacks, and kidney complications. Losartan falls under the category of medications known as angiotensin receptor blockers (ARBs), operating by relaxing blood vessels to facilitate smoother blood flow.


PREDNISONE (PRED ni sone) is used to treat a variety of conditions such as asthma, allergic reactions, arthritis, inflammatory bowel diseases, adrenal, blood, or bone marrow disorders. Its mechanism involves reducing inflammation, moderating an overactive immune system, or supplementing the body’s normal cortisol production. Cortisol is a hormone vital for responding to stress, illness, and injury. PREDNISONE belongs to a class of drugs known as steroids.

Your healthcare provider or pharmacist can provide information about other potential uses of this medication.

COMMON BRAND NAMES: Deltasone, Predone, Sterapred, Sterapred DS

How should I use this medication?

Take this medication orally with a full glass of water. Adhere to the instructions on the prescription label and consume it with food. If it’s prescribed for once-daily use, take it in the morning. Do not exceed the prescribed dosage, and do not abruptly discontinue taking the medication as it could lead to a severe reaction. Your healthcare team will provide guidance on the appropriate dosage. If instructed to stop the medication, the dosage may be gradually reduced to minimize potential side effects.

Discuss with your healthcare team regarding the usage of this medication in children, as special precautions may be necessary.

In case of overdose, contact a poison control center or seek emergency medical assistance immediately.

NOTE: This medication is intended solely for your use. Do not share it with others.

What if I miss a dose?

It’s important to follow the dosing instructions provided by your healthcare provider or on the medication label. If you miss a dose of your medication, here are some general guidelines to follow:

  1. Take the Missed Dose as Soon as Possible: If you miss a dose, take it as soon as you remember. However, if it’s almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule.
  2. Consult Your Healthcare Provider: If you’re unsure about what to do after missing a dose, or if you missed multiple doses, it’s crucial to talk to your healthcare provider or care team. They can provide specific guidance based on your medical condition and the medication you’re taking.
  3. Avoid Double Dosing: Do not take a double dose to make up for a missed dose unless advised by your healthcare provider. Taking too much medication at once can increase the risk of side effects or complications.
  4. Follow Recommendations for Missed Doses: Depending on the medication, your healthcare provider may recommend different actions for missed doses. For some medications, missing a dose may not have a significant impact, while for others, it may require adjustments in dosing or additional monitoring.
  5. Set Reminders: To help avoid missing doses in the future, consider setting reminders or alarms on your phone, using pill organizers, or incorporating your medication schedule into your daily routine.

Always remember to communicate openly with your healthcare provider about any concerns or questions regarding your medication regimen, including missed doses. They can provide personalized guidance and ensure that you’re receiving the most appropriate care for your needs.

Read Also: What Drugs can Cause Schamberg's Disease?

Pros and Cons of losartan and prednisone

Losartan: Pros:

  • Blood pressure control
  • Kidney protection
  • Heart protection
  • Well-tolerated


  • Possible side effects
  • Interactions
  • Pregnancy risk

Prednisone: Pros:

  • Anti-inflammatory
  • Rapid action
  • Versatile


  • Side effects
  • Dependency
  • Immunosuppression
  • Glucose intolerance

Differences Between losartan and prednisone


It is primarily used to treat high blood pressure (hypertension), certain heart conditions such as heart failure and left ventricular hypertrophy, and to protect the kidneys in patients with diabetes.


Prednisone is used to manage a wide range of conditions involving inflammation, such as arthritis, asthma, allergic reactions, autoimmune diseases, skin disorders, certain cancers, and organ transplant rejection.

Alternative to losartan and prednisone

Alternative to Losartan

ACE Inhibitors (Angiotensin-Converting Enzyme Inhibitors):

Medications like lisinopril, enalapril, ramipril, and captopril are alternative options for lowering blood pressure and treating certain heart conditions.

Alternative to Prednisone

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs):

NSAIDs like ibuprofen, naproxen, celecoxib, and diclofenac can be used to manage pain and inflammation in conditions such as arthritis. However, they do not have the same systemic effects as corticosteroids and may not be suitable for all conditions.

Interactions between your drugs

prednisone losartan

Monitoring is essential when using corticosteroids, as they can counteract the effects of antihypertensive drugs by promoting sodium and fluid retention. This effect is more likely with natural corticosteroids like cortisone and hydrocortisone due to their increased mineralocorticoid activity. On the other hand, certain calcium channel blockers such as diltiazem and verapamil may elevate corticosteroid levels and their effects by inhibiting their breakdown through CYP450 3A4 metabolism.

Management involves regular monitoring of blood pressure, electrolyte levels, and body weight in patients undergoing prolonged or high-dose corticosteroid therapy. Watch for signs of edema and congestive heart failure, and consider adjusting the dosages of antihypertensive medications accordingly.

Drug and food interactions

losartan food

AVOIDANCE ADVISED: In some patients using angiotensin II receptor blockers (ARBs), a moderate-to-high dietary intake of potassium, particularly from salt substitutes, can elevate the risk of hyperkalemia. ARBs can contribute to hyperkalemia by inhibiting angiotensin II-induced aldosterone secretion. Patients with conditions like diabetes, heart failure, dehydration, or renal insufficiency are at increased risk of hyperkalemia.

MANAGEMENT: Patients should receive dietary guidance and refrain from using potassium-containing salt substitutes or over-the-counter potassium supplements without consulting their healthcare provider. If salt substitutes are used alongside ARBs, regular monitoring of serum potassium levels is advised. Patients should also be educated to seek medical attention if they experience symptoms of hyperkalemia such as weakness, irregular heartbeat, confusion, tingling of extremities, or heaviness in the legs.

MONITORING: Grapefruit juice might slightly decrease and delay the conversion of losartan to its active metabolite, E3174. This is likely due to the inhibition of CYP450 3A4-mediated metabolism in the gut wall by certain compounds in grapefruits. The clinical significance of this interaction is not fully understood, and these interactions can vary significantly between patients.

MANAGEMENT: Patients who regularly consume grapefruits and grapefruit juice should be monitored for potential changes in the efficacy of losartan. If an interaction is suspected, grapefruits and grapefruit juice should be avoided. Orange juice is not expected to cause interactions in this context.


The interaction between losartan and prednisone is primarily related to their potential to increase blood potassium levels. Both medications can independently elevate potassium levels, and when taken together, this effect may be amplified. It is crucial for healthcare providers to monitor potassium levels closely when prescribing these medications concurrently. Patients should also be educated about the signs and symptoms of hyperkalemia (high potassium levels), such as muscle weakness, irregular heartbeat, and tingling sensations.

In conclusion, the interaction between losartan and prednisone underscores the importance of vigilant monitoring and proactive management to ensure patient safety and optimal therapeutic outcomes. Collaboration between healthcare providers, pharmacists, and patients is essential in navigating potential drug interactions and minimizing associated risks.

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The information presented on this website is not intended as specific medical advice and is not a substitute for professional treatment or diagnosis. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


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