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FDA data Public-data reference. 1 alternative

Alternatives to tadalafil

Same-class medications cross-checked against FDA data — compare uses, side effects, and safety profiles.

Brand: Cialis

PDE5 Inhibitor Prescription 1 alternative found

About tadalafil

Tadalafil (Cialis) is a medicine that helps men with erectile dysfunction (ED) or enlarged prostate (BPH). It belongs to a class of drugs called PDE5 inhibitors.

Used for: This medicine can help men who have trouble getting or keeping an erection (ED). It can also treat the symptoms of an enlarged prostate, also known as benign prostatic hyperplasia (BPH). BPH can cause difficulty with urination.

PDE5 Inhibitor Alternatives (1)

Compare tadalafil vs sildenafil side-by-side →

Side Effect Comparison

Adverse event reports from the FDA FAERS database. Higher counts may reflect wider use, not necessarily higher risk.

Side Effect tadalafil sildenafil
Shortness of breath 11,663 7,729
Headache 10,690 5,655
Diarrhea 7,800 4,447
Feeling sick to your stomach 6,498
Death 5,896 3,872
Tiredness 5,836 3,799
The medicine is not working 5,432
Feeling lightheaded 5,177

"—" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.

Why Consider Alternatives?

Cost

Generic alternatives may be significantly cheaper. Ask your pharmacist about generic options in the PDE5 Inhibitor class.

Side Effects

Different drugs in the same class can have different side effect profiles. If one doesn't work for you, another might.

Availability

Drug shortages happen. Knowing alternatives helps your doctor switch quickly if your usual medication is unavailable.

Frequently Asked Questions

What are the alternatives to tadalafil?
There are 1 alternative medications in the PDE5 Inhibitor class, including sildenafil. Talk to your doctor about which option is best for your condition.
Can I switch from tadalafil to an alternative?
Never switch medications without consulting your doctor. While these drugs share the same class (PDE5 Inhibitor), they may differ in dosing, interactions, and suitability for your specific condition.

How to Read These PDE5 Inhibitor Alternatives

tadalafil (marketed as Cialis) sits within the PDE5 Inhibitor class, and the 1 alternative above share the same therapeutic classification under FDA labeling. Drugs grouped this way typically work through similar mechanisms, but they are not interchangeable — each has its own pharmacokinetics, dosing schedule, contraindications, and adverse-event profile derived from separate clinical trials. The labeled indication for tadalafil focuses on: This medicine can help men who have trouble getting or keeping an erection (ED).

The side-effect comparison above draws on FDA FAERS data, where tadalafil has 67,414 reports across its top 10 reactions, measured against sildenafil. Raw report counts reflect total exposure — a medication prescribed to tens of millions will accumulate more reports than a newer or niche option even when per-patient risk is lower. Dashes in the comparison table mean that reaction was not among the top reported events for that drug, not that it never occurs. Generic availability for tadalafil is well established, and competing products often have substantially different acquisition costs under NADAC.

Switching between medications in the same class is a clinical decision with real consequences — dosing conversions are not one-to-one, interaction profiles differ, and prior treatment response is individual. Shortage status, insurance formulary placement, and out-of-pocket cost all influence which alternative is practical in a given situation. This comparison surfaces public FDA data to help patients and caregivers prepare informed questions; it is for educational purposes only and does not constitute medical advice. Always talk to your prescriber or pharmacist before switching or stopping any medication.

Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.